摘要：Create Procedure AddUniqueProduct @ProductName NVarchar(80), @UnitPrice Money AS if Exists BEGIN select ProductName From Products Where ProductName =@ProductName Return 1 END... 阅读全文

摘要：SELECT CONVERT(char(10),birthday,120) AS birthday FROM employee 将本来的1999-08-08 00:00:00 转变成 1999-08-08也可以在Asp.net 中用 String.Format()格式化文本，如DataTime.Now.ToString("t"); //只取时间部分 11:36:52 PMDataTime.No... 阅读全文