How to connect quickbooks 2003 using C# and using interop.qbfc 14

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I want to Integrate Quick Book old version 2003 with C# .net
I found some code according to quickbooks website

<a href="https://codeload.github.com/IntuitDeveloper/QBXML_SDK_Samples/zip/refs/heads/master
">https://codeload.github.com/IntuitDeveloper/QBXML_SDK_Samples/zip/refs/heads/master
</a>

private void connectToQB()
      {
          sessionManager = SessionManager.getInstance();

          maxVersion = sessionManager.QBsdkMajorVersion;


      }

the code run good in version 12
but in version 3 not work

<pre>error

quickbooks an error the version of Qbxml that was requested is not supported or is unknown

if any one have Idea pls reply. or if another way to connect QuickBooks 2003 using c#
thanks

What I have tried:

how to connect QuickBooks 2003 using c#

Posted 9-Jun-21 3:15am

michael nabil

Updated 9-Jun-21 10:43am

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SeeSharp2 9-Jun-21 9:42am

If I were you I would ask QuickBooks.

2 solutions

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michael nabil · Answer 1 · 2021-06-09T10:43:00

i found this code and now i can make connection with Quickbooks but the items name is in Arabic it get back like this ?????????
i need help to convert

Description

to

utf8

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Interop.QBFC14;

QBSessionManager _MySessionManager = new QBSessionManager();
           _MySessionManager.OpenConnection2("", "Your App Name", ENConnectionType.ctLocalQBDLaunchUI);
         //  _MySessionManager.OpenConnection2("", "Your App Name", ENConnectionType.ctLocalQBD);
           _MySessionManager.BeginSession("", ENOpenMode.omDontCare);
           var version = QBFCLatestVersion(_MySessionManager);
           short ver = Convert.ToInt16(version);

            IMsgSetRequest itemRequestset = _MySessionManager.CreateMsgSetRequest("US", 13, 0);
           IItemQuery itemQuery = itemRequestset.AppendItemQueryRq();
           itemQuery.OwnerIDList.Add("0");
           IMsgSetResponse responseItemRq = _MySessionManager.DoRequests(itemRequestset);
           IResponseList itemResponseList = responseItemRq.ResponseList;

             IResponse itemResponse = itemResponseList.GetAt(0);

           ENResponseType responseType = (ENResponseType)itemResponse.Type.GetValue();
           IORItemRetList QBItemList = (IORItemRetList)itemResponse.Detail;
           for (int i = 0; i <= QBItemList.Count - 1; i++)
           {
               if (QBItemList.GetAt(i).ItemNonInventoryRet != null)
               {
                   IItemNonInventoryRet inventoryItem = QBItemList.GetAt(i).ItemNonInventoryRet;
                   string ListID = inventoryItem.ListID != null ? inventoryItem.ListID.GetValue() : "";
                   string ItemCode = inventoryItem.Name != null ? inventoryItem.Name.GetValue() : "";
                  // string Description = inventoryItem.FullName.GetValue() != null ? inventoryItem.FullName.GetValue() : "";
                   string Description = inventoryItem.FullName.GetValue();
                   Description= Utf16ToUtf8(Description);
                   string MPN = inventoryItem.ManufacturerPartNumber != null ? inventoryItem.ManufacturerPartNumber.GetValue() : "";
                   rt1.AppendText(ItemCode.ToString() + Environment.NewLine);
                   rt1.AppendText(Description.ToString() + Environment.NewLine);

               }
               else if (QBItemList.GetAt(i).ItemInventoryRet != null)
               {
                   IItemInventoryRet inventoryItem = QBItemList.GetAt(i).ItemInventoryRet;
                   string ListID = inventoryItem.ListID != null ? inventoryItem.ListID.GetValue() : "";
                   string ItemCode = inventoryItem.Name != null ? inventoryItem.Name.GetValue() : "";
                   // string Description = inventoryItem.SalesDesc != null ? inventoryItem.SalesDesc.GetValue() : "";
                   string Description = inventoryItem.SalesDesc.GetValue().ToString().ToUTF8();
                   string MPN = inventoryItem.ManufacturerPartNumber != null ? inventoryItem.ManufacturerPartNumber.GetValue() : "";
                   //  string Price = inventoryItem.SalesPrice.GetValue();
                   Description = Utf16ToUtf8(Description);
                   rt1.AppendText(ItemCode.ToString() + Environment.NewLine);

                   rt1.AppendText(Description.ToString() + Environment.NewLine);
               }
               else if (QBItemList.GetAt(i).ItemInventoryAssemblyRet != null)
               {
                   IItemInventoryAssemblyRet inventoryItem = QBItemList.GetAt(i).ItemInventoryAssemblyRet;
                  // customFieldsList = string ListID = inventoryItem.ListID != null ? inventoryItem.ListID.GetValue() : "";
                   string ItemCode = inventoryItem.Name != null ? inventoryItem.Name.GetValue() : "";
                   string Description = inventoryItem.SalesDesc.GetValue() != null ? inventoryItem.SalesDesc.GetValue() : "";
                   string MPN = inventoryItem.ManufacturerPartNumber != null ? inventoryItem.ManufacturerPartNumber.GetValue() : "";

                   rt1.AppendText(ItemCode.ToString() + Environment.NewLine);

                   rt1.AppendText(Description.ToString() + Environment.NewLine);
               }
               else if (QBItemList.GetAt(i).ItemServiceRet != null)
               {
                   IItemServiceRet inventoryItem = QBItemList.GetAt(i).ItemServiceRet;
                   // customFieldsList = string ListID = inventoryItem.ListID != null ? inventoryItem.ListID.GetValue() : "";
                   string ItemCode = inventoryItem.Name != null ? inventoryItem.Name.GetValue() : "";
                   Console.WriteLine(ItemCode);
                   Console.WriteLine(ItemCode);
                   rt1.AppendText(ItemCode.ToString() + Environment.NewLine);
                 //  rt1.AppendText(Description.ToString().ToUTF8() + Environment.NewLine);


               }

Member 15811840 · Answer 2 · 2022-10-27T09:14:00

Solution 3

in your VS NUGet---> Interop.QBFC14

Posted 27-Oct-22 9:14am

Member 15811840

Updated 27-Oct-22 10:33am