Check the All the checkboxes in the gridview using JQuery

1. java script code:

<script type="text/javascript" language="javascript">

function SelectAllCheckboxes(chk) {

            $('#<%=GVIndents.ClientID %>').find("input:checkbox").each(function () {

                if (this != chk) {

                    this.checked = chk.checked;

                }

            });

        }

 </script>

2. gridview design code :

 <GridView ID="GVIndents" runat="server" AutoGenerateColumns="False"  >

<Columns>

<asp:TemplateField>

<HeaderTemplate>

<asp:CheckBox runat="server" Text="Approved" Checked="true" ID="chkAll"

       onclick="SelectAllCheckboxes(this);" />

</HeaderTemplate>

<ItemTemplate>

<asp:CheckBox runat="server" ID="chkone" Checked="true" />

 </ItemTemplate>

 </asp:TemplateField>

<;/Columns>

</asp:GridView>