GridViewDeletedEventArgs
'GridViewDeletedEventArgs '末包含' RowIndex "的定义，并且找不到可接受第一 个"GridViewDeletedEventArgs类型参数的扩展方法RowIndex "(是否缺少using指令或程序集引用?)
页面中设置了“ OnRowDeleting="List_RowDeleting" DataKeyNames="id"”后台代码为：行 178: protected void List_RowDeleting(object sender, GridViewDeletedEventArgs e)行 17 ......