贫民窟里的程序高手

摘要： private void cmbStore_SelectedIndexChanged(object sender, EventArgs e) { DataTable vDt = ParamClass.ChargDt; var q = from... 阅读全文

摘要： 本文转载自：http://www.cnblogs.com/sydeveloper/archive/2013/03/29/2988669.html1、用两层循环计算，前提条件是数据已经按分组的列排好序的。DataTable dt = new DataTable();dt.Columns.AddRang... 阅读全文

摘要： IF IN_DN_NUMBER IS NOT NULL THEN SELECT COUNT(*) INTO V_HAS FROM SALEFROMSTORE WHERE ORDERID = IN_DN_NUMBER; IF V_HAS = 0 THEN OU_RETURN... 阅读全文