尋找資料庫中重複資料T-SQL========第一篇=========在一張表中某個欄位下面有重複記錄,有很多方法,但是有一個方法,是比較高效的,如下語句:select data_guid from adam_entity_datas a where a.rowid > (select min(b.rowid) from adam_entity_datas b where b.data_guid =
經常儲存在SQL Server的datetime格式的資料都是帶有時、分、秒等的。但是在頁面讀取的時候,通知只需要年月日,今天用到的讀取時間年月日的方法如下:view plaincopy to clipboardprint?convert(varchar(12),時間列名,111) 如在資料表table1中的列 operdate是datetime格式的,需要讀取operdate的年月日的方法就是view plaincopy to
some problem with .net 2.0:In the application, a form subscribes a RunWorkerCompleted event of aBackgroundWorker. Suppose RunWorkerCompleted() is running in UI thread sosome code inside it will do form rendering stuff. The application runs smoothin
string resourceBackUpName = this.GetResourceBackUpName(resxFilePath);//back up the res file File.Copy(resxFilePath, resourceBackUpName); ResXResourceReader reader = new ResXResourceReader(resourceBackUpName);
I met a wired problem when using SSRS in vs2008. In the report page header, a textbox call a reportItem which connected to DB to retrive data in page body. The problem is the textbox shows blank in page header with no data, but when it's exported to