private void messagesList_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
long receiveMessageId = (long)messagesList.DataKeys[e.RowIndex].Value;
if (NoticeHelper.DeleteReceivedMessage(receiveMessageId))
{
ShowMsg("删除成功", true);
BindData();
}
else
{
ShowMsg("删除失败", true);
}
}