DtsConnection -- Consuming DTS DataReader In Code W/ Parameters

Sep 27, 2005

I am trying to pass a parameter into the DtsCommand object, but always get the error "a requested parameter does not exist in the package".  I have a variable defined at the top scope named EmailPromotion so I tried the following

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Consuming Events In Code

Sep 6, 2007



Hi,
Ive been taking a look at how to consume events from a package when executing programatically.

Ive got some code (copied below) that creates a package programatically, adds a sequence container then within that adds a script task , then executes it using the overloaded method of Package.Execute() that takes an IDtsEvents argument.

My class that implements IDtsEvents simply output a message to the console for each event type.

Weird thing is, when I execute, this is the only output I get:

Starting...
OnPreValidate: Microsoft.SqlServer.Dts.Runtime.Package
OnPreValidate: Microsoft.SqlServer.Dts.Runtime.Sequence
OnPreValidate: Microsoft.SqlServer.Dts.Runtime.TaskHost
OnPostValidate:Microsoft.SqlServer.Dts.Runtime.TaskHost
OnQueryCancel
Package ran successfully


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Anyone know why i dont see all of the events?

Thanks
Jamie

Heres the code:



Code Snippet
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Tasks.ScriptTask;
namespace Package_API
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Starting...");
Package p = new Package();
p.InteractiveMode = true;
p.OfflineMode = true;
// Add a Script Task to the package.
Sequence s = (Sequence)p.Executables.Add("STOCK:Sequence");
TaskHost taskH = (TaskHost)s.Executables.Add("STOCK:ScriptTask");
// Run the package.
DtsEvents events = new DtsEvents();
p.Execute(null,null,events,null,null);
//p.Execute();
if (p.ExecutionResult == DTSExecResult.Failure || p.ExecutionStatus == DTSExecStatus.Abend)
Console.WriteLine("Package failed or abended");
else
Console.WriteLine("Package ran successfully");
Console.ReadLine();
}
}
}

// Class that implements the IDTSEvents interface:
public sealed class DtsEvents : IDTSEvents
{
void IDTSEvents.OnPreExecute(Executable exec, ref bool fireAgain)
{
Console.WriteLine("OnPreExecute: " + exec.ToString());
}
void IDTSEvents.OnBreakpointHit(IDTSBreakpointSite breakpointSite, BreakpointTarget breakpointTarget)
{
Console.WriteLine("OnBreakpointHit");
}
void IDTSEvents.OnCustomEvent(TaskHost taskHost,string eventName,string eventText,ref Object[] arguments,string subComponent,ref bool fireAgain)
{
Console.WriteLine("CustomEvent");
}
void IDTSEvents.OnPreValidate(Executable exec, ref bool fireAgain)
{
Console.WriteLine("OnPreValidate: " + exec.ToString());
}
void IDTSEvents.OnPostValidate(Executable exec, ref bool fireAgain)
{
Console.WriteLine("OnPostValidate:" + exec.ToString());
}
void IDTSEvents.OnWarning(DtsObject source,int warningCode,string subComponent,string description,string helpFile,int helpContext,string idofInterfaceWithError)
{
Console.WriteLine("OnWarning");
}
void IDTSEvents.OnInformation(DtsObject source,int informationCode,string subComponent,string description,string helpFile,int helpContext,string idofInterfaceWithError,ref bool fireAgain)
{
Console.WriteLine("OnInformation");
}
void IDTSEvents.OnPostExecute(Executable exec, ref bool fireAgain)
{
Console.WriteLine("OnPostExecute");
}
bool IDTSEvents.OnError(DtsObject source,int errorCode,string subComponent,string description,string helpFile,int helpContext,string idofInterfaceWithError)
{
Console.WriteLine("OnError");
return true;
}
void IDTSEvents.OnTaskFailed(TaskHost taskHost)
{
Console.WriteLine("OnTaskFailed");
}
void IDTSEvents.OnProgress(TaskHost taskHost,string progressDescription,int percentComplete,int progressCountLow,int progressCountHigh,string subComponent,ref bool fireAgain)
{
Console.WriteLine("OnProgress");
}
bool IDTSEvents.OnQueryCancel()
{
Console.WriteLine("OnQueryCancel");
return true;
}
void IDTSEvents.OnExecutionStatusChanged(Executable exec,DTSExecStatus newStatus,ref bool fireAgain)
{
Console.WriteLine("OnExecutionStatusChanged");
}
void IDTSEvents.OnVariableValueChanged(DtsContainer DtsContainer,Variable variable,ref bool fireAgain)
{
Console.WriteLine("OnVariableValueChanged");
}
}







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Code Snippet
Public Function ShowLoading(ByVal intOption as integer, byVal BasicLoading as string, byVal BasicHealthExtra as string, byVal RiderLoading as string, byVal RiderHealthExtra as string, byVal TotalAmount as string) As string

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declare @ordering_count int
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GO
And This is my code. I know there will be 100's of records that are selected in the SProc, but when trying to use the Output Parameter on my label it still says -1Protected Sub BtnGetModels_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim dateEntered As String = TxtDate.TextDim selectCountry As String = CountryList.SelectedValue
Dim con As New SqlClient.SqlConnection
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myCommand.CommandType = CommandType.StoredProceduremyCommand.Parameters.AddWithValue("@selectDate", dateEntered)
myCommand.Parameters.AddWithValue("@selectCountry", CInt(selectCountry))Dim myParam As New SqlParameter("@numberRows", SqlDbType.Int)
myParam.Direction = ParameterDirection.Output
myCommand.Parameters.Add(myParam)
myCommand.Connection = con
con.Open()Dim reader As SqlDataReader = myCommand.ExecuteReader()Dim rowCount As Integer = reader.RecordsAffected
numberParts.Text = rowCount.ToString
con.Close()
End Sub
 
What should I fix?

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