How can I get a BAQ Data View to initialize at Form Launch?

Epicor ERP 10
1

The code works but only after the first dispatch for that requisition processes.
Here is the code from our requisition dispatch customization script editor:

// **************************************************
// Custom code for DispatchForm - Working for ReqApproval Customization - All Companies
// Created: 4/27/2020 9:36:47 PM
// **************************************************

extern alias Erp_Contracts_BO_Company;
extern alias Erp_Contracts_BO_Part;
extern alias Erp_Contracts_BO_Vendor;
extern alias Erp_Contracts_BO_VendorPPSearch;

using System;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Windows.Forms;
using Erp.Adapters;
using Erp.UI;
using Ice.Lib;
using Ice.Adapters;
using Ice.Lib.Customization;
using Ice.Lib.ExtendedProps;
using Ice.Lib.Framework;
using Ice.Lib.Searches;
using Ice.UI.FormFunctions;
using Ice.Lib.Broadcast;

public class Script
{
	// ** Wizard Insert Location - Do Not Remove 'Begin/End Wizard Added Module Level Variables' Comments! **
	// Begin Wizard Added Module Level Variables **

	// End Wizard Added Module Level Variables **

	// Add Custom Module Level Variables Here **
BAQDataView bAHPurReqUserBAQDV;

	public void InitializeCustomCode()
	{
		CreateBAHPurReqUserBAQDV();
		// ** Wizard Insert Location - Do not delete 'Begin/End Wizard Added Variable Initialization' lines **
		// Begin Wizard Added Variable Initialization

		// End Wizard Added Variable Initialization

		// Begin Wizard Added Custom Method Calls

		// End Wizard Added Custom Method Calls
	}

	public void DestroyCustomCode()
	{
		// ** Wizard Insert Location - Do not delete 'Begin/End Wizard Added Object Disposal' lines **
		// Begin Wizard Added Object Disposal

		// End Wizard Added Object Disposal

		// Begin Custom Code Disposal

		// End Custom Code Disposal
	}

	public void CreateBAHPurReqUserBAQDV()
	    {
	
	        bAHPurReqUserBAQDV = new BAQDataView("BAHPurReqUser");
	        oTrans.Add("BAHPurReqUserBAQDV", bAHPurReqUserBAQDV);
	        string pub1Binding = "ReqHead.ReqNum";
	        IPublisher pub1 = oTrans.GetPublisher(pub1Binding);
	        if (pub1 == null)
	        {
	            string pubName = Guid.NewGuid().ToString();
	            oTrans.PublishColumnChange(pub1Binding, pubName);
	            pub1 = oTrans.GetPublisher(pub1Binding);
	        }
	        if (pub1 != null)
	            bAHPurReqUserBAQDV.SubscribeToPublisher(pub1.PublishName, "ReqHead_ReqNum");

	    }



	

}