GridView中CheckBox单击事件(oncheckedchanged)

在GridView中加入 CheckBox控件，想通过单击选中出现如下图所示效果：

具体做法是：

前台GV部份省掉。只加关键的CheckBox部份。

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<asp:CheckBox ID="ItemCheckBox" oncheckedchanged="ItemCheckBox_CheckedChanged" AutoPostBack="true" runat="server" />
<asp:CheckBox ID="ItemCheckBox" oncheckedchanged="ItemCheckBox_CheckedChanged" AutoPostBack="true" runat="server" />

此代码需要注意的是:

AutoPostBack="true"

此句的效果是选中后才会执行后台的代码。

后台代码：C#

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//单独选中
    protected void ItemCheckBox_CheckedChanged(object sender, EventArgs e)
    {
        CheckBox chk =(CheckBox)sender;

        //以下两句为选中背景色       第一种方法通过 Parent 获得GridViewRow
        DataControlFieldCell dcf = (DataControlFieldCell)chk.Parent;    //这个对象的父类为cell
        GridViewRow gr = (GridViewRow)dcf.Parent;                   //cell的父类就是row，这样就得到了该checkbox所在的该行

        //另外一种NamingContainer获得 GridViewRow
        int index = ((GridViewRow)(chk.NamingContainer)).RowIndex;    //通过NamingContainer可以获取当前checkbox所在容器对象，即gridviewrow

        string strsql="";
        string qtable = GVOpen.Rows[index].Cells[4].Text.Trim();
        string qid = GVOpen.Rows[index].Cells[1].Text.Trim();


        if (chk.Checked)
        {
            gr.BackColor = System.Drawing.Color.Green;
                    }
        else
        {
            gr.BackColor = GVOpen.RowStyle.BackColor;
        }
    }