protected void grb_customerID_CheckedChanged(object sender, EventArgs e)
{
//清除GridView中所有RadioButton的选中状态
foreach (GridViewRow oldrow in gv_customerInfo.Rows)
{
((RadioButton)oldrow.FindControl("grb_customerID")).Checked = false;
}
//查找当前行的RadioButton并将其Checked 状态设置为true
RadioButton rb = (RadioButton)sender;
GridViewRow row = (GridViewRow)rb.NamingContainer;
((RadioButton)row.FindControl("grb_customerID")).Checked = true;
}