Reply to thread

I'm having some issues with SQLite and my class. Here is a portion of a class that I wrote called GENERAL_DB which is supposed to be the class which can access the SQLite DB. I have a separate test block of code which attempts to create an instance of this class and open the database as shown.


However, when I run the code, I get an exception that I can't understand why its occurring. When I run in debug mode and step through, it bombs on the line


[CODE]m_db = new SQLiteClient(databaseFile);[/CODE]


with the exception


[CODE]{"Object reference not set to an instance of an object."}[/CODE]


I thought that I was setting the instance there?? Can anyone help me out?


Regards,


Jesse



--- GENERAL_DB class ----


[CODE]using System;

using System.Data;

using System.Collections.Generic;

using System.Collections;

using System.Text;

using System.Windows.Forms;

using MediaPortal.Database;

using SQLite.NET;



namespace GUIXMM

{

  public class GENERAL_DB

  {

    public SQLiteClient m_db = null;

    private bool dbExists;


    public GENERAL_DB()

    {

    }


    public void Open()

    {

     


      // Attempt to open database

      try

      {

        // Open database

        MessageBox.Show("Open DB");


        string fullpath = "C:\\Program Files\\Team MediaPortal\\MediaPortal\\";

        string databaseFile = fullpath + "database\\VideoDatabaseV5.db3";

        dbExists = System.IO.File.Exists(databaseFile);


        Console.WriteLine("dBExists: " + dbExists.ToString());


        m_db = new SQLiteClient(databaseFile);


        if (!dbExists)

        {

          Console.WriteLine("DB does not exist, creating tables.");

          //CreateTables();

        }

      }

      catch (SQLiteException ex)

      {

        Console.WriteLine("Fatal error: {0}", ex.Message);

        //Log.Write("XMMdatabase exception err:{0} stack:{1}", ex.Message, ex.StackTrace);

      }

    }


  }

}[/CODE]





--- Separate function to create instance of GENERAL_DB ----


[CODE]    private void button_debug_VIDEO_DB_Click(object sender, EventArgs e)

    {

      string fullpath = "C:\\Program Files\\Team MediaPortal\\MediaPortal\\";


      string database = fullpath + "database\\VideoDatabaseV5.db3";

      //MessageBox.Show(database);


      if (File.Exists(database))

      {

        MessageBox.Show("File: " + database + " exists");

      }

      else

      {

        MessageBox.Show("File: " + database + "was not found.");

      }


      //VIDEO_DB myVIDEO_DB = new VIDEO_DB();

      //myVIDEO_DB.Open();


      GENERAL_DB myGENERAL_DB = new GENERAL_DB();

      myGENERAL_DB.Open();


    }[/CODE]


Top Bottom