USE pubs
GO
CREATE PROCEDURE myProc
@outparm int OUTPUT
@inparm int
AS
SELECT * FROM titles WHERE royalty > @inparm
SELECT @outparm = COUNT (*) FROM TITLES WHERE royalty > @inparm
IF (@outparm > 0)
RETURN 0
ELSE
RETURN 99
GO
An ADO code program that executes the stored procedure myProc is shown here.
Dim cn As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
Dim fldloop As ADODB.Field
Dim param1 As Parameter, param2 As Parameter, param3 As Parameter
Dim provStr As String
Dim royalty As Variant
Private Sub spStart()
' Connect using the SQLOLEDB provider.
cn.Provider = "sqloledb"
' Specify connection string on Open method.
provStr = "Server=MyServer;Database=pubs;Trusted_Connection=yes"
cn.Open provStr
' Set up a command object for the stored procedure.
Set cmd.ActiveConnection = cn
cmd.CommandText = "myProc"
cmd.CommandType = adCmdStoredProc
' Set up a return parameter.
Set param1 = cmd.CreateParameter("Return", adInteger, adParamReturnValue)
cmd.Parameters.Append param1
' Set up an output parameter.
Set param2 = cmd.CreateParameter("Output", adInteger, adParamOutput)
cmd.Parameters.Append param2
' Set up an input parameter.
Set param3 = cmd.CreateParameter("Input", adInteger, adParamInput)
cmd.Parameters.Append param3
royalty = Trim(InputBox("Enter royalty:"))
param3.Value = royalty
' Execute command, and loop through recordset, printing out rows.
Set rs = cmd.Execute
Dim i As Integer
While Not rs.EOF
For Each fldloop In rs.Fields
Debug.Print rs.Fields(i)
i = i + 1
Next fldloop
Debug.Print ""
i = 0
rs.MoveNext
Wend
' Need to close recordset before getting return
' and output parameters.
rs.Close