/// <summary>
/// Action when the user clicks the 'Add' button. Attempts to Check if it is a car or boat object
/// disables the interaction, inserts into the database. If it fails put the error on the respected field
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAdd_Click(object sender, RoutedEventArgs e)
{
try
{
//Check if txtMileage is visable, if it is the object should be a car.
if (this.txtMileage.Visibility == Visibility.Visible)
{
//Create a car object
var carObject = new Car(this.txtManufacturer.Text, this.txtModel.Text, this.txtProductYear.Text, this.txtMileage.Text);
//Disable the interaction of the fields
disableInteraction();
//Attempt to insert the car into the database
DBL.InsertCar(carObject);
//Update the status text
lblStatusText.Content = "Inserted a car";
}
else
{
//Create the boat object
var boatObject = new Boat(this.txtManufacturer.Text, this.txtModel.Text, this.txtProductYear.Text);
//Disable the user interaction
disableInteraction();
//Attemp to insert the boat object
DBL.InsertBoat(boatObject);
//Update the status text
lblStatusText.Content = "Inserted a boat";
}
// Set focus to the Clear button to facilitate data entry.
btnClear.IsEnabled = true;
btnClear.Focus();
}
//Catch any errors
catch (ArgumentException ex)
{
//Each if:
// Check the parameter name
// If the parameter name matches, set the content to the error message,
// Highlight the textbox
if (ex.ParamName == "Manufacturer")
{
lblManufacturerError.Content = "Manufacturer entry error! " + ex.Message;
HighlightTextbox(txtManufacturer);
}
else if (ex.ParamName == "ProductYear")
{
lblProductYearError.Content = "Product Year entry error! " + ex.Message;
HighlightTextbox(txtProductYear);
}
else if (ex.ParamName == "Model")
{
lblModelError.Content = "Model entry error! " + ex.Message;
HighlightTextbox(txtModel);
}
else if (ex.ParamName == "Mileage")
{
lblMileageError.Content = "Mileage entry error! " + ex.Message;
HighlightTextbox(txtMileage);
}
}
catch (Exception ex)
{
MessageBox.Show("Critical Error " + ex.Message);
}
}
/// <summary>
/// Calls the DBL file (Database helper methods) to get the list of vehicles in the database
/// sets the dataview to the result of the fetch
/// </summary>
public void ReloadData()
{
datagridVehicles.ItemsSource = DBL.GetVehicleList().DefaultView;
}