private void InitializeSchemaList(string defaultValue)
        {
            data_mapping_schema aSchema = new data_mapping_schema();

            DataTable allSchemas = aSchema.Search(aSchema.SearchSQL + " ORDER BY schema_name");

            cmbSchema.Items.Clear();

            foreach (DataRow aRow in allSchemas.Rows)
            {
                aSchema = new data_mapping_schema();
                aSchema.Load(aRow);

                cmbSchema.Items.Add(aSchema);
            }



            cmbSchema.Items.Add("Create new schema...");

            if (defaultValue == "")
            {
                cmbSchema.SelectedIndex = 0;
            }
            else
            {
                cmbSchema.SelectedIndex = cmbSchema.FindStringExact(defaultValue);
            }
        }