Hi simflex,
Check this example. Now please take its reference and correct your code.
HTML
<table>
<tr>
<td>
<asp:GridView ID="GridView1" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="Id" HeaderText="Id" />
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:TextBox runat="server" ID="txtName" Text='<%# Eval("Name")%>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Country">
<ItemTemplate>
<asp:TextBox runat="server" ID="txtCountry" Text='<%# Eval("Country")%>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
<td>
<asp:CheckBox ID="chkDetails" runat="server" Checked="true" AutoPostBack="true" OnCheckedChanged="CheckChanged" />
</td>
</tr>
</table>
CS
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
new DataColumn("Name", typeof(string)),
new DataColumn("Country",typeof(string)) });
dt.Rows.Add(1, "John Hammond", "United States");
dt.Rows.Add(2, "Mudassar Khan", "India");
dt.Rows.Add(3, "Suzanne Mathews", "France");
dt.Rows.Add(4, "Robert Schidner", "Russia");
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
protected void CheckChanged(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView1.Rows)
{
TextBox name = row.FindControl("txtName") as TextBox;
TextBox country = row.FindControl("txtCountry") as TextBox;
if (!chkDetails.Checked)
{
name.Enabled = false;
country.Enabled = false;
}
else
{
name.Enabled = true;
country.Enabled = true;
}
}
}
VB.Net
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not Me.IsPostBack Then
Dim dt As DataTable = New DataTable()
dt.Columns.AddRange(New DataColumn(2) {New DataColumn("Id", GetType(Integer)), New DataColumn("Name", GetType(String)), New DataColumn("Country", GetType(String))})
dt.Rows.Add(1, "John Hammond", "United States")
dt.Rows.Add(2, "Mudassar Khan", "India")
dt.Rows.Add(3, "Suzanne Mathews", "France")
dt.Rows.Add(4, "Robert Schidner", "Russia")
GridView1.DataSource = dt
GridView1.DataBind()
End If
End Sub
Protected Sub CheckChanged(ByVal sender As Object, ByVal e As EventArgs)
For Each row As GridViewRow In GridView1.Rows
Dim name As TextBox = TryCast(row.FindControl("txtName"), TextBox)
Dim country As TextBox = TryCast(row.FindControl("txtCountry"), TextBox)
If Not chkDetails.Checked Then
name.Enabled = False
country.Enabled = False
Else
name.Enabled = True
country.Enabled = True
End If
Next
End Sub
Screenshot
