Untitled

Gridview vith Checkboxes - make button inactive when some checkboxes are checked

<asp:GridView ID="MyGV" runat="server" AutoGenerateColumns="False" DataKeyNames="ID">

    <Columns>

        <asp:TemplateField>

            <ItemTemplate>

                <asp:CheckBox ID="MyCBox" runat="server" />

            </ItemTemplate>

        </asp:TemplateField>

        <asp:BoundField DataField="ID" HeaderText="ID" SortExpression="ID" />

        <asp:BoundField DataField="category" HeaderText="Category" SortExpression="category" />

    </Columns>

</asp:GridView>

       

<asp:Button ID="Btn1" runat="server" Text="btn1" OnClick="Btn1_Click" />

<asp:Button ID="Btn2" runat="server" Text="btn2" OnClick="Btn2_Click" />

       

Btn1.Enabled = true;

Btn2.Enabled = false;

       

<asp:GridView ID="MyGV" runat="server" AutoGenerateColumns="False" DataKeyNames="ID">

<Columns>

    <asp:TemplateField>

        <ItemTemplate>

             <asp:CheckBox ID="MyCBox" Text="Select Cat" AutoPostBack="true" ToolTip='<%#Bind("category") %>' OnCheckedChanged="MyCBox_CheckedChanged" runat="server" />

        </ItemTemplate>

    </asp:TemplateField>

    <asp:BoundField DataField="ID" HeaderText="ID" SortExpression="ID" />

    <asp:BoundField DataField="category" HeaderText="Category" SortExpression="category" />

</Columns>

       

protected void MyCBox_CheckedChanged(object sender, EventArgs e)

{

    if( ((CheckBox)sender).ToolTip == "cat1"

      {

       Btn1.Enabled = true;

       Btn2.Enabled = false;

      }

    else

      {

       Btn1.Enabled = false;

       Btn2.Enabled = true;

      }          

 

}