Bind ASP.Net GridView with CheckBox from Database using jQuery AJAX

Hi Shahzad786,

Check this example. Now please take its reference and correct your code.

Database

For this sample I have used of NorthWind database that you can download using the link given below.

Download Northwind Database

HTML

<div>
    <asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false" Font-Names="Arial"
        Font-Size="10pt" RowStyle-BackColor="#A1DCF2" HeaderStyle-BackColor="#3AC0F2"
        HeaderStyle-ForeColor="White">
        <Columns>
            <asp:BoundField ItemStyle-Width="150px" DataField="CustomerID" HeaderText="CustomerID" />
            <asp:BoundField ItemStyle-Width="150px" DataField="ContactName" HeaderText="CustomerID" />
            <asp:BoundField ItemStyle-Width="150px" DataField="City" HeaderText="City" />
            <asp:TemplateField HeaderText="Status" HeaderStyle-BorderColor="black">
                <ItemTemplate>
                    <asp:CheckBox ID="chkStatus" runat="server" />
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
    </asp:GridView>
</div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script type="text/javascript">
    $(function () {
        $.ajax({
            type: "POST",
            url: "Default.aspx/GetCustomers",
            data: '{}',
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: OnSuccess,
            failure: function (response) {
                alert(response.d);
            },
            error: function (response) {
                alert(response.d);
            }
        });
    });

    function OnSuccess(response) {
        var xmlDoc = $.parseXML(response.d);
        var xml = $(xmlDoc);
        var customers = xml.find("Table");
        var row = $("[id*=gvCustomers] tr:last-child").clone(true);
        $("[id*=gvCustomers] tr").not($("[id*=gvCustomers] tr:first-child")).remove();
        $.each(customers, function () {
            var customer = $(this);
            $("td", row).eq(0).html($(this).find("CustomerID").text());
            $("td", row).eq(1).html($(this).find("ContactName").text());
            $("td", row).eq(2).html($(this).find("City").text());
            $("td", row).find('[id*=chkStatus]')[0].checked = $(this).find("Status").text() == "1" ? true : false;
            $("[id*=gvCustomers]").append(row);
            row = row.clone(true);
        });
    }
</script>

Namespaces

C#

using System.Data;
using System.Web.Services;
using System.Data.SqlClient;
using System.Configuration

VB.Net

Imports System.Data
Imports System.Web.Services
Imports System.Data.SqlClient
Imports System.Configuration

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        this.BindDummyRow();
    }
}

private void BindDummyRow()
{
    DataTable dummy = new DataTable();
    dummy.Columns.Add("CustomerID");
    dummy.Columns.Add("ContactName");
    dummy.Columns.Add("City");
    dummy.Columns.Add("Status");
    dummy.Rows.Add();
    gvCustomers.DataSource = dummy;
    gvCustomers.DataBind();
}

[WebMethod]
public static string GetCustomers()
{
    string query = "SELECT TOP 5 CustomerID, ContactName, City FROM Customers";
    SqlCommand cmd = new SqlCommand(query);
    return GetData(cmd).GetXml();
}
private static DataSet GetData(SqlCommand cmd)
{
    string strConnString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(strConnString))
    {
        using (SqlDataAdapter sda = new SqlDataAdapter())
        {
            cmd.Connection = con;
            sda.SelectCommand = cmd;
            using (DataSet ds = new DataSet())
            {
                sda.Fill(ds);
                ds.Tables[0].Columns.Add("Status");
                for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
                {
                    ds.Tables[0].Rows[i]["Status"] = i % 2 == 0 ? "1" : "0";
                }
                return ds;
            }
        }
    }
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not IsPostBack Then
        Me.BindDummyRow()
    End If
End Sub

Private Sub BindDummyRow()
    Dim dummy As DataTable = New DataTable()
    dummy.Columns.Add("CustomerID")
    dummy.Columns.Add("ContactName")
    dummy.Columns.Add("City")
    dummy.Columns.Add("Status")
    dummy.Rows.Add()
    gvCustomers.DataSource = dummy
    gvCustomers.DataBind()
End Sub

<WebMethod>
Public Shared Function GetCustomers() As String
    Dim query As String = "SELECT TOP 5 CustomerID, ContactName, City FROM Customers"
    Dim cmd As SqlCommand = New SqlCommand(query)
    Return GetData(cmd).GetXml()
End Function

Private Shared Function GetData(ByVal cmd As SqlCommand) As DataSet
    Dim strConnString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(strConnString)
        Using sda As SqlDataAdapter = New SqlDataAdapter()
            cmd.Connection = con
            sda.SelectCommand = cmd
            Using ds As DataSet = New DataSet()
                sda.Fill(ds)
                ds.Tables(0).Columns.Add("Status")
                For i As Integer = 0 To ds.Tables(0).Rows.Count - 1
                    ds.Tables(0).Rows(i)("Status") = If(i Mod 2 = 0, "1", "0")
                Next

                Return ds
            End Using
        End Using
    End Using
End Function

Screenshot