Sql Server Function函数 is not a recognized built-in function name

select  dbo.GetDate_AfterToday('2013-09-01',5)

09-06

OK!!!

select  GetDate_AfterToday('2013-09-01',5)

'GetDate_AfterToday' is not a recognized built-in function name.

记住dbo.函数名称 否则报错