页面:

<asp:GridView ID="gvOperation" runat="server" AutoGenerateColumns="False" DataKeyNames="OperationID,type,Priffx"
  OnRowDataBound="gvOperation_RowDataBound" OnRowDeleting="gvOperation_RowDeleting" Width="80%">
  <Columns>
   <asp:TemplateField HeaderText="序号">
    <ItemTemplate>
     <%# (Container.DataItemIndex+1).ToString()%>
     &nbsp;
    </ItemTemplate>
    <ItemStyle HorizontalAlign="Center" />
   </asp:TemplateField>
   <asp:TemplateField>
    <ItemTemplate>
     <asp:CheckBox ID="cbSel" runat="server" />
    </ItemTemplate>
    <ItemStyle HorizontalAlign="Center" />
    <HeaderTemplate>
     <asp:CheckBox ID="cbSelAll" runat="server" AutoPostBack="True" OnCheckedChanged="cbSelAll_CheckedChanged" />
    </HeaderTemplate>
   </asp:TemplateField>

</Columns>
 </asp:GridView>

 

代码:

protected void cbSelAll_CheckedChanged(object sender, EventArgs e)
 {
  CheckBox cball = (CheckBox)gvOperation.HeaderRow.FindControl("cbSelAll");
  for (int i = 0; i < gvOperation.Rows.Count; i++)
  {
   CheckBox cb = (CheckBox)gvOperation.Rows[i].Cells[1].FindControl("cbSel");
   cb.Checked = cball.Checked;
  }
 }