未得到@lastupdate
的值。如果卸下SELECT
語句,則得到的@lastupdate
值在代碼隱藏帶輸出子句的Select語句不起作用
@action int,
@autoid int = NULL,
@datecheck date = NULL,
@lastupdate datetime = '' OUTPUT
AS
BEGIN
SET NOCOUNT ON;
IF @action = 1
BEGIN
SET @lastupdate = (SELECT reddate FROM lastupdate)
SELECT * FROM view_mychart WHERE [email protected]
END
END
數據u可以顯示在代碼的例子在後面VB – wasimjee
con.Open() myreader = cmd.ExecuteReader 代碼如果myreader.HasRows然後 lastupdate.Text = CMD。參數( 「@ LASTUPDATE」)。值 myreader.Read() myreader.Close() lastupdate.Text = cmd.Parameters( 「@ LASTUPDATE」)。值 否則 lastupdate.Text = cmd.Parameters(「@ lastupdate「)。Value.ToString End If – wasimjee
嘗試在獲取參數之前關閉閱讀器。 – NigelK