How to get the DataKeys ID (Identity Column) in Child Controls events in GridView
Description:
How to get the Datakeys ID in Child Control events, here I explained about checkbox
IDinChildControlEventsInGridView.aspx
IDinChildControlEventsInGridView.aspx.cs
In the above EmpID we get the Empid For Which each row it is checked.
How to get the Datakeys ID in Child Control events, here I explained about checkbox
IDinChildControlEventsInGridView.aspx
<%@ Page Title="" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="IDinChildControlEventsInGridView.aspx.cs" Inherits="IDinChildControlEventsInGridView" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" Runat="Server">
<asp:GridView runat="server" ID="gvEmpdetails" DataKeyNames="EmpID" DataSourceID="EmpDetails"
AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" OnRowDataBound="gvEmpdetails_RowDataBound">
<RowStyle BackColor="#EFF3FB" />
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox runat="server" ID="chkhead" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chk" AutoPostBack="true" OnCheckedChanged="chk_OnCheckedChanged" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="EmpID" HeaderText="EmpID" Visible="false" SortExpression="EmpID" />
<asp:BoundField DataField="EmpName" HeaderText="EmpName" SortExpression="EmpName" />
<asp:BoundField DataField="EmpSal" HeaderText="EmpSal" SortExpression="EmpSal" />
<asp:BoundField DataField="EmpBranch" HeaderText="EmpBranch" SortExpression="EmpBranch" />
<asp:BoundField DataField="EmpCode" HeaderText="EmpCode" SortExpression="EmpCode" />
</Columns>
</asp:GridView>
<%-- <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:CustomerConnectionString2 %>"
SelectCommand="SELECT [ID], [EmpID], [EmpTax], [EmpPF] FROM [EmpDeduction]">
</asp:SqlDataSource>--%>
<asp:SqlDataSource ID="EmpDetails" runat="server" ConnectionString="<%$ ConnectionStrings:CustomerConnectionString %>"
SelectCommand="SELECT [EmpID], [EmpName], [EmpSal], [EmpBranch], [EmpCode] FROM [Employee]">
</asp:SqlDataSource>
</asp:Content>
IDinChildControlEventsInGridView.aspx.cs
In the checkbox onCheckedchange event write the following code
Identify the current gridview Row and then proceed further.
protected void chk_OnCheckedChanged(object sender, EventArgs e)
{
CheckBox chk = ((CheckBox)(sender));
GridViewRow gv = ((GridViewRow)(chk.NamingContainer));
int EmpID =Convert.ToInt16(gvEmpdetails.DataKeys[gv.RowIndex].Value);
}
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