************** Exception Text **************
System.InvalidCastException: Specified cast is not valid.
   at System.Data.SqlClient.SqlBuffer.get_Int32()
   at System.Data.SqlClient.SqlDataReader.GetInt32(Int32 i)
   at Read_PriceList(ObjectMaterializer`1 )
   at System.Data.Linq.SqlClient.ObjectReaderCompiler.ObjectReader`2.MoveNext()
   at Beta_Partlist_Generator.frmPriceList.bgwPriceListGeneration_RunWorkerCompleted(Object sender, RunWorkerCompletedEventArgs e)
   at System.ComponentModel.BackgroundWorker.OnRunWorkerCompleted(RunWorkerCompletedEventArgs e)
   at System.ComponentModel.BackgroundWorker.AsyncOperationCompleted(Object arg)