在事件中获得当前服务器控件的值
protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
{
((TextBox)e.Item.FindControl("TextBox1")).Text;
}
protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
{
((TextBox)e.Item.FindControl("TextBox1")).Text;
}