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<%@ Page Language="C#" AutoEventWireup="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Check all checkbox in GridView</title> <script type="text/javascript"> function CheckAll(chk_all) { var gridView = document.getElementById("<%=GridView1.ClientID %>"); for(i = 1;i < gridView.rows.length; i++) { gridView.rows[i].cells[0].children[0].checked = chk_all.checked; } } </script> </head> <body> <form id="form1" runat="server"> <div style="width:100%"> <asp:GridView ID="gv_users" runat="server" AutoGenerateColumns="false"> <HeaderStyle/> <Columns> <asp:TemplateField> <HeaderTemplate> <input id="chk_all" type="checkbox" onclick="CheckAll(this)" runat="server" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="chk_item" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="ID" HeaderText="ID" /> <asp:BoundField DataField="Name" HeaderText="Name" /> </Columns> </asp:GridView> </div> </form> </body> </html> |
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