摘要：ALTER PROCEDURE [dbo].[SizeCount]@UId intASBEGIN SELECT SUM(Photo_Size) as CountNum FROM [Photo] where UId=@UId END 如果在sql存储过程中不判断UID的不存在性,而且下面也不判断DBNULL就可能会发生前台程序错误! /// <summary> /// 统计字节 /// </summary> /// <returns>返回string数量</returns> public static string Phot... 阅读全文

摘要：<asp:FileUpload ID="FileUpload_album" runat="server" onchange="SelectImg(this)" />//添加一个隐藏按钮<span style="display: none"><asp:Button ID="Button_thumb" runat="server" Text="获取缩略图" OnClick="Button_thumb_Click" 阅读全文