Hi mvadukul,
Use below script instead of yours
HTML
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
    <script type="text/javascript">
        function Details() {
            $('#Details').modal('show');
            var lastTab = localStorage.getItem('lastTab');
            if (lastTab) {
                $.each($('.tab-pane'), function () {
                    if ($(this).attr('id') == lastTab) {
                        $(this)[0].className = "tab-pane active";
                        $('a[href=#' + $(this).attr('id') + ']').closest('li')[0].className = "active";
                        localStorage.removeItem('lastTab');
                    }
                    else {
                        $(this)[0].className = "tab-pane";
                        $('a[href=#' + $(this).attr('id') + ']').closest('li')[0].className = "";
                    }
                });
            }
        }
        $(function () {
            $('[id*=lnk_CreateUser]').on('click', function (e) {
                localStorage.setItem('lastTab', $('[id*=tab2]').attr('id'));
            });
        });
        $('#Details').on('hidden.bs.modal', function (e) {
            window.location = '<%= ResolveUrl("~/index.aspx") %>';
        });
        $('#Details').modal({
            backdrop: 'static',
            keyboard: false
        });        
    </script>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <asp:ScriptManager runat="server" />
    <br />
    <br />
    <div align="center" class="row ">
        <div class="col-md-12">
            <asp:GridView ID="grdSchoolView" CssClass="table table-hover table-condensed table-responsive table-bordered "
                runat="server" AllowSorting="True" Width="50%" AutoGenerateColumns="False" DataKeyNames="RegisterID"
                CellPadding="0">
                <Columns>
                    <asp:BoundField DataField="RegisterID" HeaderText="RegisterID" ReadOnly="True" SortExpression="RegisterID"
                        HeaderStyle-CssClass="hideGridColumn" ItemStyle-CssClass="hideGridColumn" />
                    <asp:BoundField DataField="OrgName" HeaderText="School Name" SortExpression="OrgName" />
                    <asp:BoundField DataField="Address1" HeaderText="Address1" SortExpression="Address1" />
                    <asp:BoundField DataField="Address2" HeaderText="Address2" SortExpression="Address2" />
                    <asp:BoundField DataField="Town" HeaderText="Town" SortExpression="Town" />
                    <asp:BoundField DataField="Postcode" HeaderText="Postcode" SortExpression="Postcode" />
                    <asp:BoundField DataField="County" HeaderText="County" SortExpression="County" />
                    <asp:BoundField DataField="OrgPhone" HeaderText="Phone" SortExpression="OrgPhone" />
                    <asp:BoundField DataField="OrgType" HeaderText="School Type" SortExpression="OrgType" />
                    <asp:BoundField DataField="Sector" HeaderText="Sector" SortExpression="Sector" />
                    <asp:TemplateField HeaderText="" ItemStyle-Width="50px">
                        <ItemTemplate>
                            <asp:LinkButton ID="lnkEdit" OnClick="lnkEdit_Click" CssClass="btn btn-info btn-sm"
                                runat="server" Text="View"></asp:LinkButton>
                        </ItemTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>
        </div>
    </div>
    <div class="modal" id="Details" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"
        data-backdrop="static" data-keyboard="false" aria-hidden="true">
        <div class="modal-dialog modal-lg" style="width: 1200px;">
            <div class="modal-content" style="border-radius: 0px;">
                <div class="modal-header text-center text-warning" role="dialog" style="background: -webkit-gradient(linear, left bottom, left top, color-stop(0, #4d5b76), color-stop(1, #6f80a1));
                    color: #ffffff;">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">
                        ×</button>
                    School Information
                </div>
                <div class="modal-body" style="height: 750px;">
                    <div class="tabbable">
                        <!-- Only required for left/right tabs -->
                        <ul class="nav nav-tabs">
                            <li class="active"><a href="#tab1" data-toggle="tab">School Profile</a></li>
                            <li><a href="#tab2" data-toggle="tab">School Users</a></li>
                            <li><a href="#tab3" data-toggle="tab">School Logo</a></li>
                            <li><a href="#tab4" data-toggle="tab">School Images</a></li>
                        </ul>
                        <!-- Start Data Tab-->
                        <div class="tab-content">
                            <div class="tab-pane active" id="tab1">
                                <div class="row padding-top">
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtFirstname">
                                                Firstname</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtFirstname" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtLastname">
                                                Lastname</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtLastname" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtEmail">
                                                Email Address</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtEmail" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtJobTitle">
                                                Job Title</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtJobTitle" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Phone Number</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtPhone" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Organisation Name</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtOrgName" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="ddOrgType">
                                                Organisation Type</label>
                                            <div class="col-md-8">
                                                <asp:DropDownList ID="ddOrgType" runat="server" CssClass="form-control">
                                                    <asp:ListItem Value="-1">--Select School Type--</asp:ListItem>
                                                </asp:DropDownList>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="ddSector">
                                                Sector</label>
                                            <div class="col-md-8">
                                                <asp:DropDownList ID="ddSector" runat="server" CssClass="form-control">
                                                    <asp:ListItem Value="-1">--Select School Status--</asp:ListItem>
                                                </asp:DropDownList>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtFirstname">
                                                Reference number</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtRefereneNo" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtLastname">
                                                Address1</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtAddress1" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtEmail">
                                                Address2</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtAddress2" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtConfirmEmail">
                                                Town</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtTown" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPassword">
                                                Postcode</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtPostcode" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtConfirmPassword">
                                                County</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtCounty" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtJobTitle">
                                                Region</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtRegion" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Website</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtWebsite" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Linkdin</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtLinkdin" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Facebook</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtFacebook" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Twitter</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtTwitter" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                School Group</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtSchoolGroup" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="ddOrgType">
                                                Age Ranges</label>
                                            <div class="col-md-8">
                                                <asp:DropDownList ID="ddAgeRanges" runat="server" CssClass="form-control">
                                                </asp:DropDownList>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Number of pupil</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtNumberOfPupil" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                <div class="row padding-top">
                                    <div class="col-md-12">
                                        <div class="form-group">
                                            <label class="col-md-2 control-label" for="txtPhone">
                                                Description</label>
                                            <div class="col-md-10" style="margin-left: -5px;">
                                                <asp:TextBox ID="txtDescription" CssClass="form-control" Height="250px" TextMode="MultiLine"
                                                    runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="tab-pane" id="tab2">
                                <div class="row padding-top">
                                    <div class="col-md-6">
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtFirstname">
                                                Firstname</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="TextBox1" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtLastname">
                                                Lastname</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="TextBox2" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtEmail">
                                                Email Address</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="TextBox3" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtEmail">
                                                Password</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="txtPassword" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtJobTitle">
                                                Job Title</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="TextBox4" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="form-group">
                                            <label class="col-md-4 control-label" for="txtPhone">
                                                Phone Number</label>
                                            <div class="col-md-8">
                                                <asp:TextBox ID="TextBox5" CssClass="form-control" runat="server"></asp:TextBox>
                                            </div>
                                        </div>
                                        <div class="box-footer">
                                            <div class="col-md-6">
                                                <asp:LinkButton ID="lnk_NewUser" runat="server" CssClass="btn btn-info btn-lg">New user</asp:LinkButton>
                                            </div>
                                            <div class="col-md-6 text-right">
                                                <asp:LinkButton ID="lnk_CreateUser" OnClick="lnk_CreateUser_Click" runat="server"
                                                    CssClass="btn btn-success btn-lg">Create user</asp:LinkButton>
                                                <asp:LinkButton ID="lnk_UpdateUser" runat="server" CssClass="btn btn-warning btn-lg"
                                                    Visible="false">Update user</asp:LinkButton>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                <div class="row padding-top">
                                    <asp:Timer ID="Timer1" runat="server" Interval="1000" OnTick="Timer1_Tick" Enabled="False">
                                    </asp:Timer>
                                    <asp:GridView ID="grdUsers" runat="server" CssClass="table table-hover table-condensed table-borderd"
                                        AutoGenerateColumns="False" DataKeyNames="RecruiterUserID">
                                        <Columns>
                                            <asp:BoundField DataField="RecruiterUserID" HeaderText="RecruiterUserID" InsertVisible="False"
                                                ReadOnly="True" SortExpression="RecruiterUserID" HeaderStyle-CssClass="hideGridColumn"
                                                ItemStyle-CssClass="hideGridColumn" />
                                            <asp:BoundField DataField="FirstName" HeaderText="FirstName" SortExpression="FirstName" />
                                            <asp:BoundField DataField="LastName" HeaderText="LastName" SortExpression="LastName" />
                                            <asp:BoundField DataField="Email" HeaderText="Email" SortExpression="Email" />
                                            <asp:BoundField DataField="Password" HeaderText="Password" SortExpression="Password" />
                                            <asp:BoundField DataField="JobTitle" HeaderText="JobTitle" SortExpression="JobTitle" />
                                            <asp:BoundField DataField="Phone" HeaderText="Phone" SortExpression="Phone" />
                                            <asp:BoundField DataField="RegisterID" HeaderText="RegisterID" SortExpression="RegisterID" />
                                            <asp:TemplateField HeaderText="" ItemStyle-Width="50px">
                                                <ItemTemplate>
                                                    <asp:LinkButton ID="lnkEditRecruiter" OnClick="lnkEditRecruiter_Click" CssClass="btn btn-info btn-sm"
                                                        runat="server" Text="Edit"></asp:LinkButton>
                                                </ItemTemplate>
                                            </asp:TemplateField>
                                            <asp:TemplateField HeaderText="" ItemStyle-Width="50px">
                                                <ItemTemplate>
                                                    <asp:LinkButton ID="lnkDelete" OnClick="lnkDelete_Click" OnClientClick="return confirm('Are you sure you want to delete this entry?');"
                                                        CssClass="btn btn-danger btn-sm" runat="server" Text="Delete"></asp:LinkButton>
                                                </ItemTemplate>
                                            </asp:TemplateField>
                                        </Columns>
                                    </asp:GridView>
                                </div>
                                <asp:TextBox ID="txtRegisterID" runat="server"></asp:TextBox><asp:TextBox ID="txtRecruitUserID"
                                    runat="server"></asp:TextBox>
                            </div>
                            <div class="tab-pane" id="tab3">
                                <p>
                                    School logo</p>
                            </div>
                            <div class="tab-pane" id="tab4">
                                <p>
                                    School images</p>
                            </div>
                        </div>
                    </div>
                    <!-- End Data Tab-->
                    <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
                </div>
                <div class="modal-footer" style="background: -webkit-gradient(linear, left bottom, left top, color-stop(0, #4d5b76), color-stop(1, #6f80a1));
                    color: #ffffff;">
                    <asp:Button ID="btnUpdate" CssClass="btn btn-info" runat="server" Text="Update" />
                    <button type="button" class="btn btn-info" data-dismiss="modal">
                        Close
                    </button>
                </div>
            </div>
            <!-- /.modal-content -->
        </div>
        <!-- /.modal -->
    </div>
</asp:Content>
Code
//Dim objectLogin As New _loginAuthenticate
public int UserRoleID;
public int RegisterID;
//Private SessionRegID As New _mySession
//Dim _sql As New _sqlFactory
protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[] {
		new DataColumn("RegisterID"),
		new DataColumn("OrgName"),
		new DataColumn("Address1"),
		new DataColumn("Address2"),
		new DataColumn("Town"),
		new DataColumn("Postcode"),
		new DataColumn("County"),
		new DataColumn("OrgPhone"),
		new DataColumn("OrgType"),
		new DataColumn("Sector")
	});
        dt.Rows.Add(1, "David", "Test", "", "Virigina", "Z00", "UK", 965825, 1, 1);
        dt.Rows.Add(2, "John", "Test", "", "Tok", "Z002", "US", 42562, 2, 2);
        dt.Rows.Add(3, "Sam", "Test", "", "Rloka", "C110", "UAE", 415268, 3, 3);
        dt.Rows.Add(4, "Vicky", "Test", "", "Xhska", "C1C2C3", "China", 123541, 7, 4);
        grdSchoolView.DataSource = dt;
        grdSchoolView.DataBind();
        DataTable grdUser = new DataTable();
        grdUser.Columns.AddRange(new DataColumn[] { 
                new DataColumn("RecruiterUserID")
                ,new DataColumn("FirstName")
                ,new DataColumn("LastName")
                ,new DataColumn("Email")
                ,new DataColumn("Password")
                ,new DataColumn("JobTitle")
                ,new DataColumn("Phone")
                ,new DataColumn("RegisterID")                   
        });
        grdUser.Rows.Add(1, "", "", "", "", "", "", 1);
        grdUser.Rows.Add(2, "", "", "", "", "", "", 2);
        grdUsers.DataSource = grdUser;
        grdUsers.DataBind();
    }
}
private void _admin_school_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        dynamic ds1 = default(DataSet);
        dynamic ds2 = default(DataSet);
        DataSet ds3 = new DataSet();
        // ds1 = _sql._filter_AgeBand()
        // ds2 = _sql._filter_Org_Type()
        //ds3 = _sql._filter_Sector
        //_sql.FillDropDown(ddAgeRanges, ds1, ds1.Tables(0).Columns(0).ToString, ds1.Tables(0).Columns(1).ToString, ds1.Tables(0).ToString)
        //_sql.FillDropDown(ddOrgType, ds2, ds2.Tables(0).Columns(0).ToString, ds2.Tables(0).Columns(1).ToString, ds2.Tables(0).ToString)
        // _sql.FillDropDown(ddSector, ds3, ds3.Tables(0).Columns(0).ToString, ds3.Tables(0).Columns(1).ToString, ds3.Tables(0).ToString)
    }
}
protected void Timer1_Tick(object sender, EventArgs e)
{
    // grdUsers.DataBind()
}
private void Message(string Message)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    sb.Append("<script type = 'text/javascript'>");
    sb.Append("window.onload=function(){");
    sb.Append("alert('");
    sb.Append(Message);
    sb.Append("')};");
    sb.Append("</script>");
    ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", sb.ToString());
}
protected void lnkEdit_Click(object sender, EventArgs e)
{
    GridViewRow grdrow = (GridViewRow)((LinkButton)sender).NamingContainer;
    RegisterID = Convert.ToInt32(grdrow.Cells[0].Text);
    txtRegisterID.Text = RegisterID.ToString();
    try
    {
        ScriptManager.RegisterStartupScript(this, this.GetType(), "Pop", "Details(this);", true);
        GetEmpUserProfile(RegisterID);
        GetEmployeeProfile(RegisterID);
        // Message("test")
        //Response.Redirect("#")
    }
    catch (Exception ex)
    {
        ex.ToString();
    }
}
//First Tab
private void GetEmpUserProfile(int RegID)
{
    DataSet ds = default(DataSet);
    DataRow row = default(DataRow);
    //Dim TeacherRef As Integer = _sql.GetTeachingNonTeachingField(8)
    // _msgBox(TeacherRef)
    // ds = _sql._getEmployeeUserProfile(RegID)
    try
    {
        foreach (DataRow drow in ds.Tables[0].Rows)
        {
            //if (object.ReferenceEquals(drow.Item("FirstName"), DBNull.Value))
            //{
            //    txtFirstname.Text = "";
            //}
            //else
            //{
            //    txtFirstname.Text = drow.Item("FirstName");
            //}
            //if (object.ReferenceEquals(drow.Item("LastName"), DBNull.Value))
            //{
            //    txtLastname.Text = "";
            //}
            //else
            //{
            //    txtLastname.Text = drow.Item("LastName");
            //}
            //if (object.ReferenceEquals(drow.Item("Email"), DBNull.Value))
            //{
            //    txtEmail.Text = "";
            //}
            //else
            //{
            //    txtEmail.Text = drow.Item("Email");
            //}
            //if (object.ReferenceEquals(drow.Item("JobTitle"), DBNull.Value))
            //{
            //    txtJobTitle.Text = "";
            //}
            //else
            //{
            //    txtJobTitle.Text = drow.Item("JobTitle");
            //}
            //if (object.ReferenceEquals(drow.Item("OrgPhone"), DBNull.Value))
            //{
            //    txtPhone.Text = "";
            //}
            //else
            //{
            //    txtPhone.Text = drow.Item("OrgPhone");
            //}
            //if (object.ReferenceEquals(drow.Item("OrgName"), DBNull.Value))
            //{
            //    txtOrgName.Text = "";
            //}
            //else
            //{
            //    txtOrgName.Text = drow.Item("OrgName");
            //}
            //if (object.ReferenceEquals(drow.Item("OrgType"), DBNull.Value))
            //{
            //    ddOrgType.SelectedValue = "";
            //}
            //else
            //{
            //    ddOrgType.SelectedValue = drow.Item("OrgType");
            //}
            //if (object.ReferenceEquals(drow.Item("Sector"), DBNull.Value))
            //{
            //    ddSector.SelectedValue = "";
            //}
            //else
            //{
            //    ddSector.SelectedValue = drow.Item("Sector");
            //}
        }
    }
    catch (Exception ex)
    {
        // MsgBox(ex.ToString())
        Label1.Text = ex.ToString();
    }
}
private void GetEmployeeProfile(int RegID)
{
    DataSet ds = default(DataSet);
    DataRow row = default(DataRow);
    //ds = _sql._getEmployeeProfile(RegID)
    try
    {
        foreach (DataRow srow in ds.Tables[0].Rows)
        {
            //if (object.ReferenceEquals(row.Item("ReferenceNumber"), DBNull.Value))
            //{
            //    txtRefereneNo.Text = "";
            //}
            //else
            //{
            //    txtRefereneNo.Text = row.Item("ReferenceNumber");
            //}
            //if (object.ReferenceEquals(row.Item("Address1"), DBNull.Value))
            //{
            //    txtAddress1.Text = "";
            //}
            //else
            //{
            //    txtAddress1.Text = row.Item("Address1");
            //}
            //if (object.ReferenceEquals(row.Item("Address2"), DBNull.Value))
            //{
            //    txtAddress2.Text = "";
            //}
            //else
            //{
            //    txtAddress2.Text = row.Item("Address2");
            //}
            //if (object.ReferenceEquals(row.Item("Town"), DBNull.Value))
            //{
            //    txtTown.Text = "";
            //}
            //else
            //{
            //    txtTown.Text = row.Item("Town");
            //}
            //if (object.ReferenceEquals(row.Item("Postcode"), DBNull.Value))
            //{
            //    txtPostcode.Text = "";
            //}
            //else
            //{
            //    txtPostcode.Text = row.Item("Postcode");
            //}
            //if (object.ReferenceEquals(row.Item("County"), DBNull.Value))
            //{
            //    txtCounty.Text = "";
            //}
            //else
            //{
            //    txtCounty.Text = row.Item("County");
            //}
            //if (object.ReferenceEquals(row.Item("Region"), DBNull.Value))
            //{
            //    txtRegion.Text = "";
            //}
            //else
            //{
            //    txtRegion.Text = row.Item("Region");
            //}
            //if (object.ReferenceEquals(row.Item("Website"), DBNull.Value))
            //{
            //    txtWebsite.Text = "";
            //}
            //else
            //{
            //    txtWebsite.Text = row.Item("Website");
            //}
            //if (object.ReferenceEquals(row.Item("Linkdin"), DBNull.Value))
            //{
            //    txtLinkdin.Text = "";
            //}
            //else
            //{
            //    txtLinkdin.Text = row.Item("Linkdin");
            //}
            //if (object.ReferenceEquals(row.Item("Facebook"), DBNull.Value))
            //{
            //    txtFacebook.Text = "";
            //}
            //else
            //{
            //    txtFacebook.Text = row.Item("Facebook");
            //}
            //if (object.ReferenceEquals(row.Item("Twitter"), DBNull.Value))
            //{
            //    txtTwitter.Text = "";
            //}
            //else
            //{
            //    txtTwitter.Text = row.Item("Twitter");
            //}
            //if (object.ReferenceEquals(row.Item("Description"), DBNull.Value))
            //{
            //    txtDescription.Text = "";
            //}
            //else
            //{
            //    txtDescription.Text = row.Item("Description");
            //}
            //if (object.ReferenceEquals(row.Item("SchoolGroup"), DBNull.Value))
            //{
            //    txtSchoolGroup.Text = "";
            //}
            //else
            //{
            //    txtSchoolGroup.Text = row.Item("SchoolGroup");
            //}
            //if (object.ReferenceEquals(row.Item("AgeRanges"), DBNull.Value))
            //{
            //    ddAgeRanges.SelectedValue = "";
            //}
            //else
            //{
            //    ddAgeRanges.SelectedValue = row.Item("AgeRanges");
            //}
            //if (object.ReferenceEquals(row.Item("NumberOfPupils"), DBNull.Value))
            //{
            //    txtNumberOfPupil.Text = "";
            //}
            //else
            //{
            //    txtNumberOfPupil.Text = row.Item("NumberOfPupils");
            //} 
        }
    }
    catch (Exception ex)
    {
        // MsgBox(ex.ToString())
        // Label1.Text = ex.ToString();
    }
}
//Second Tab
protected void lnk_CreateUser_Click(object sender, EventArgs e)
{
    // Dim _users As New _sqlFactory._EmployeeUsers
    //  Dim email As String = _sql.GetCandidateDetails
    try
    {
        // With _users
        //.FirstName = txtFirstname.Text
        //.LastName = txtLastname.Text
        //.Email = txtEmail.Text
        //.Password = txtPassword.Text
        //.JobTitle = txtJobTitle.Text
        //.Phone = txtPhone.Text
        // .UserID = 8
        //.RegisterID = txtRegisterID.Text
        //End With
        // _sql._insertEmployee_Users(_users)
        Timer1.Enabled = true;
        Timer1_Tick(null, null);
        Timer1.Enabled = false;
    }
    catch (Exception ex)
    {
        //ClientScript.RegisterClientScriptBlock(Me.GetType(), "alert", msg._msgBox(ex.ToString()))
        Label1.Text = ex.ToString();
    }
    ScriptManager.RegisterStartupScript(this, this.GetType(), "Pop", "Details(this);", true);
}
protected void lnkEditRecruiter_Click(object sender, EventArgs e)
{
    GridViewRow grdrow = (GridViewRow)((LinkButton)sender).NamingContainer;
    txtRecruitUserID.Text = grdrow.Cells[0].Text;
    try
    {
        // Dim dvSql As DataView = DirectCast(SqlUsersGetUpdate.Select(DataSourceSelectArguments.Empty), DataView)
        //For Each drvSql As DataRowView In dvSql
        txtFirstname.Text = "";
        //drvSql("Firstname").ToString()
        txtLastname.Text = "";
        //drvSql("Lastname").ToString()
        txtEmail.Text = "";
        //drvSql("Email").ToString()
        txtPassword.Text = "";
        //drvSql("Password").ToString()
        txtJobTitle.Text = "";
        //drvSql("JobTitle").ToString()
        txtPhone.Text = "";
        //drvSql("Phone").ToString()
        //Next
    }
    catch (Exception ex)
    {
        ex.ToString();
    }
    // Education.Visible = True
    // btnSaveEQ.Visible = False
    // btnUpdate.Visible = True
    // btnAddMoreEQ.Visible = True
    lnk_CreateUser.Visible = false;
    lnk_UpdateUser.Visible = true;
}
protected void lnkDelete_Click(object sender, EventArgs e)
{
    GridViewRow grdrow = (GridViewRow)((LinkButton)sender).NamingContainer;
    txtRecruitUserID.Text = grdrow.Cells[0].Text;
    //Dim _edufield As New _sqlFactory._EmployeeUsers
    try
    {
        //With _edufield
        //.RegisterID = txtRegisterID.Text
        //.RecruiterUserID = txtRecruitUserID.Text
        //End With
        //_sql._deleteRecruitUsers(_edufield)
        Timer1.Enabled = true;
        Timer1_Tick(null, null);
        Timer1.Enabled = false;
    }
    catch (Exception ex)
    {
        //ClientScript.RegisterClientScriptBlock(Me.GetType(), "alert", msg._msgBox(ex.ToString()))
        Label1.Text = ex.ToString();
    }
}
private void lnk_UpdateUser_Click(object sender, EventArgs e)
{
    //Dim _users As New _sqlFactory._EmployeeUsers
    try
    {
        //With _users
        //.FirstName = txtFirstname.Text
        //.LastName = txtLastname.Text
        //.Email = txtEmail.Text
        //.Password = txtPassword.Text
        //.JobTitle = txtJobTitle.Text
        //.Phone = txtPhone.Text
        //.RegisterID = txtRegisterID.Text
        //.RecruiterUserID = txtRecruitUserID.Text
        //End With
        //_sql._updateRecruitmentUser(_users)
        Timer1.Enabled = true;
        Timer1_Tick(null, null);
        Timer1.Enabled = false;
    }
    catch (Exception ex)
    {
        //ClientScript.RegisterClientScriptBlock(Me.GetType(), "alert", msg._msgBox(ex.ToString()))
        Label1.Text = ex.ToString();
    }
}
private void lnk_NewUser_Click(object sender, EventArgs e)
{
    lnk_UpdateUser.Visible = false;
    lnk_CreateUser.Visible = true;
    txtFirstname.Text = "";
    txtLastname.Text = "";
    txtEmail.Text = "";
    txtJobTitle.Text = "";
    txtPassword.Text = "";
    txtPhone.Text = "";
    txtRecruitUserID.Text = "";
}