SQL和ADO.net：输出参数指定的参数太多

Question

ALTER PROCEDURE dbo.uspGetOrderTrackingHeaderInfo
  @ContractID varchar(9)
, @SalesRepID int
, @StatusID int
, @TypeID int
, @StartDate datetime
, @EndDate datetime
, @Identity int = null output

AS

INSERT INTO [dbo].[tblOrderTracking]
           ([ContractID]
           ,[StatusID]
           ,[TypeID]
           ,[SalesRepID]
           ,[StartDate]
           ,[EndDate])
     VALUES
           (@ContractID
           ,@StatusID
           ,@TypeID
           ,@SalesRepID
           ,@StartDate
           ,@EndDate)


SET @Identity = Scope_Identity()

---

Using oConn As New SqlConnection(Me.Master.Master.AdminNetConnString)
        Try
            With cmd
                .Connection = oConn
                .CommandType = CommandType.StoredProcedure
                .CommandText = "dbo.uspInsertOrderTrackingInfo"
                .Parameters.AddWithValue("@ContractID", Session("@OrderContractID"))
                .Parameters.AddWithValue("@SalesRepID", Integer.Parse(Me.ddlSalesRep.SelectedValue.ToString()))
                .Parameters.AddWithValue("@StatusID", Integer.Parse(Me.ddlStatus.SelectedValue.ToString()))
                .Parameters.AddWithValue("@TypeID", Integer.Parse(Me.ddlOrderType.SelectedValue.ToString()))
                .Parameters.AddWithValue("@StartDate", CDate(txtStartDate.Text.Trim))
                .Parameters.AddWithValue("@EndDate", CDate(txtEndDate.Text.Trim))
                .Parameters.Add("@Identity", SqlDbType.Int, ParameterDirection.Output)
            End With

            oConn.Open()

            cmd.ExecuteNonQuery()
            Session("WorkingOrderID") = cmd.Parameters("@Identity").Value

            Response.Redirect("OrderOverview.aspx")
        Catch ex As Exception
            Me.Master.Master.HandleException(ex, True, "An error occured while attempting to save the order setup information")
        Finally
            If Not cmd Is Nothing Then
                cmd.Dispose()
            End If
        End Try
    End Using

Answer 1

您已经发布了proc“uspGetOrderTrackingHeaderInfo”的代码，并且您正在调用proc“uspInsertOrderTrackingInfo”。也许你修改了错误的proc并且没有输出插件。