public override void GenerateDataColumnProperties()
 {
     DataModelColumnProperties.Clear();
     DataModelColumnProperties.Add(ColumnPropertiesUserID);
     DataModelColumnProperties.Add(ColumnPropertiesFirstName);
     DataModelColumnProperties.Add(ColumnPropertiesLastName);
 }
 public override void GenerateDataColumnProperties()
 {
     DataModelColumnProperties.Clear();
     DataModelColumnProperties.Add(ColumnPropertiesCountryID);
     DataModelColumnProperties.Add(ColumnPropertiesCountryName);
 }