private void PopulateFields(CarRentalRecord recordToEdit)
{
tbCustomerName.Text = recordToEdit.CustomerName;
dtpRent.Value = (DateTime)recordToEdit.DateRented;
dtpReturn.Value = (DateTime)recordToEdit.DateReturned;
tbCost.Text = recordToEdit.Cost.ToString();
lblRecordId.Text = recordToEdit.id.ToString();
}
public AddEditRentalRecord(CarRentalRecord recordToEdit)
{
InitializeComponent();
lblTitle.Text = "Add New Record";
isEditMode = true;
_db = new CarRentalEntities();
PopulateFields(recordToEdit);
}
private void button1_Click(object sender, EventArgs e)
{
try
{
String customerName = tbCustomerName.Text;
var dateRent = dtpRent.Value;
var dateReturn = dtpReturn.Value;
double cost = Convert.ToDouble(tbCost.Text);
var carType = cbTypeOfCar.Text;
var isValid = true;
var errorMsg = "";
if (string.IsNullOrWhiteSpace(customerName) || string.IsNullOrWhiteSpace(carType))
{
isValid = false;
errorMsg += "Error : Please enter missing data!\n\r";
}
if (dateRent > dateReturn)
{
isValid = false;
errorMsg += "Error : Wrong date!\n\r";
}
// if (isValid == true) ------ same is below
/*if (isValid)
* {
* if (isEditMode)
* {
* var id = int.Parse(lblRecordId.Text);
* var rentalRecord = _db.CarRentalRecords.FirstOrDefault(q => q.id == id);
* rentalRecord.CustomerName = customerName;
* rentalRecord.DateRented = dateRent;
* rentalRecord.DateReturned = dateReturn;
* rentalRecord.Cost = (decimal)cost; // Decimal.Parse ko use los ma ya; bcs of .Parse ka string ko pl use los ya tr
* rentalRecord.TypeOfCarId = (int)cbTypeOfCar.SelectedValue;
*
* _db.SaveChanges();
*
* MessageBox.Show($"CustomerName : {customerName}\n\r" +
* $"Rented Date : {dateRent}\n\r" +
* $"Returned Date : {dateReturn}\n\r" +
* $"Cost : {cost}\n\r" +
* $"Car Type : {carType}\n\r" +
* $"Thanks you !"
* }
* else
* {
* var rentalRecord = new CarRentalRecord();
* rentalRecord.CustomerName = customerName;
* rentalRecord.DateRented = dateRent;
* rentalRecord.DateReturned = dateReturn;
* rentalRecord.Cost = (decimal)cost; // Decimal.Parse ko use los ma ya; bcs of .Parse ka string ko pl use los ya tr
* rentalRecord.TypeOfCarId = (int)cbTypeOfCar.SelectedValue;
* _db.CarRentalRecords.Add(rentalRecord);
* _db.SaveChanges();
*
* MessageBox.Show($"CustomerName : {customerName}\n\r" +
* $"Rented Date : {dateRent}\n\r" +
* $"Returned Date : {dateReturn}\n\r" +
* $"Cost : {cost}\n\r" +
* $"Car Type : {carType}\n\r" +
* $"Thanks you !"
* );
* }
* Close();
* }*/
if (isValid)
{
//Declare an object of the record to be added
var rentalRecord = new CarRentalRecord();
if (isEditMode)
{
//If in edit mode,then get ID and retrieve the record from the database and place
//The result in the record object
var id = int.Parse(lblRecordId.Text);
rentalRecord = _db.CarRentalRecords.FirstOrDefault(q => q.id == id);
}
//populate the record objects with values from the form
rentalRecord.CustomerName = customerName;
rentalRecord.DateRented = dateRent;
rentalRecord.DateReturned = dateReturn;
rentalRecord.Cost = (decimal)cost; // Decimal.Parse ko use los ma ya; bcs of .Parse ka string ko pl use los ya tr
rentalRecord.TypeOfCarId = (int)cbTypeOfCar.SelectedValue;
//if not editMode, add the record to the DB
if (!isEditMode)
{
_db.CarRentalRecords.Add(rentalRecord);
}
//save changes made to the entity
_db.SaveChanges();
MessageBox.Show($"CustomerName : {customerName}\n\r" +
$"Rented Date : {dateRent}\n\r" +
$"Returned Date : {dateReturn}\n\r" +
$"Cost : {cost}\n\r" +
$"Car Type : {carType}\n\r" +
$"Thanks you !"
);
Close();
}
else
{
MessageBox.Show(errorMsg);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
//throw; // to end program
}
}
