Gridview中CheckBox列：赋值、改变值触发事件

前台、模板列

<asp:TemplateField HeaderText="" SortExpression="id" Visible="False">、

        <ItemTemplate>
            <asp:Label ID="labBool" runat="server" Text='<%#Eval("ColBool") %>'></asp:Label>
        </ItemTemplate>
</asp:TemplateField> 

<pre code_snippet_id="391034" snippet_file_name="blog_20140613_3_6486391" name="code" class="csharp"><pre code_snippet_id="391034" snippet_file_name="blog_20140613_3_6486391" name="code" class="csharp"><asp:TemplateField ShowHeader="False" HeaderText="CheckBox列">
	<ItemTemplate>

            <asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="true" oncheckedchanged="CheckBox1_CheckedChanged"/>
        </ItemTemplate>
</asp:TemplateField>

<pre code_snippet_id="391034" snippet_file_name="blog_20140613_5_3182532" name="code" class="csharp"><pre code_snippet_id="391034" snippet_file_name="blog_20140613_5_3182532" name="code" class="csharp"> protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
            CheckBox chk = (CheckBox)sender;

}