如何从存储过程中获取值

2021-09-16 00:00:00 sql sql-server vb6

如何从存储过程获取返回值，使用VB6和SQL Server.

How to get a return value from store procedure, using VB6 and SQL Server.

存储过程

ALTER PROCEDURE [dbo].[DayAttn]
    @Attn VARCHAR(12) OUTPUT
AS
BEGIN
    SELECT @Attn = MAX(id)
    FROM   table1

    RETURN @Attn
END

VB6

conn.Execute "exec DayAttn '" '" & Attn & "'"

以上代码显示错误.

推荐答案

这段代码应该向你展示如何在 VB6/ADO 经典中做到这一点:

This code should show you how to do it in VB6/ADO classic:

Set cmdTemp = New ADODB.Command
Set cmdTemp.ActiveConnection = gcnxMain
cmdTemp.Parameters.Append cmdTemp.CreateParameter("Ret", adInteger, adParamReturnValue)
cmdTemp.CommandType = adCmdStoredProc
cmdTemp.CommandText = "Procname"
cmdTemp.Execute
MsgBox "Return Value: " & cmdTemp.Parameters("Ret")

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