private void txt_Brand_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
 {
     connect = new CTUConnection();                // refreshens the 'CTUConnection' class //
     connect.SelectWareHouseVehicle();             //*Selects the specified columns in the Patient table*//
     connect.SearchWareHouseBrand(txt_Brand.Text); //Searches the customer's 'name' within the populated table//
     DGV_Warehouse.ItemsSource = connect.dataset;  //*All the selected fields are filtered inside the table and stored inside the grid-view*//
 }