private void txt_Model_TextChanged(object sender, TextChangedEventArgs e)
 {
     connect = new CTUConnection();           // refreshens the 'CTUConnection' class //
     connect.SelectMotor();                   //*Selects the specified columns in the Patient table*//
     connect.SearchMotoModel(txt_Model.Text); //Searches the customer's 'name' within the populated table//
     DGV_Moto.ItemsSource = connect.dataset;  //*All the selected fields are filtered inside the table and stored inside the grid-view*//
 }