static void Main(string[] args)
{
Console.WriteLine($"Result of 5.0 + 4.5 is: {getSum(5.0,4.5)}");
Console.WriteLine($"Result of 5.0 + 4.5 is: {getSum("5.0", "4.5")}");
carColor car1 = carColor.Blue;
paintCar(car1);
}
private static void Part4(string[] args)
{
double x = 5;
double y = 4;
Console.WriteLine("5+5 = {0}", GetSum(x, y));
Console.WriteLine(); //proves x didn't change in the function, and was passed by value
int solution;
DoubleIt(15, out solution); //works with values putside the method itself, and defines the value of a variable inside the method
Console.WriteLine("15*2 = {0}", solution);
int num1 = 10;
int num2 = 20;
Console.WriteLine("Before swap num1: {0} num2: {1}", num1, num2);
Swap(ref num1, ref num2);
Console.WriteLine("After swap num1: {0} num2: {1}", num1, num2);
Console.WriteLine("1+2+3 = {0}", GetSumMore(1, 2, 3));
//named parameters
PrintInfo(zipCode: 60053, name: "Tommy");
//overloads
Console.WriteLine("5.0 + 4.5 = {0}", GetSum(5.0, 4.5));
Console.WriteLine("5+4 = {0}", GetSum(5, 4));
Console.WriteLine("5+4 = {0}", GetSum("5", "4")); //parameters have to be different to have an overloaded method
//enums
carColor cc = carColor.Blue;
PaintCar(cc);
}
private void btnAdd_Click(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(txtType.Text) && !string.IsNullOrWhiteSpace(txtMark.Text) &&
!string.IsNullOrWhiteSpace(txtModel.Text) && !string.IsNullOrWhiteSpace(txtPlate.Text) &&
!string.IsNullOrWhiteSpace(txtColor.Text) && !string.IsNullOrWhiteSpace(txtRate.Text) &&
!string.IsNullOrWhiteSpace(txtYear.Text) && numCap.Value != 0)
{
if (db.carTypes.FirstOrDefault(t => t.Name.ToLower() == txtType.Text.ToLower()) == null)
{
carType type = new carType();
type.Name = txtType.Text;
db.carTypes.Add(type);
db.SaveChanges();
}
if (db.carMarks.FirstOrDefault(t => t.Name.ToLower() == txtMark.Text.ToLower()) == null)
{
carMark mark = new carMark();
mark.Name = txtMark.Text;
db.carMarks.Add(mark);
db.SaveChanges();
}
if (db.carModels.FirstOrDefault(t => t.Name.ToLower() == txtModel.Text.ToLower()) == null)
{
carModel model = new carModel();
model.Name = txtModel.Text;
model.MarkId = db.carMarks.FirstOrDefault(m => m.Name == txtMark.Text).Id;
db.carModels.Add(model);
db.SaveChanges();
}
if (db.carColors.FirstOrDefault(t => t.Name.ToLower() == txtColor.Text.ToLower()) == null)
{
carColor color = new carColor();
color.Name = txtColor.Text;
db.carColors.Add(color);
db.SaveChanges();
}
if (db.Cars.FirstOrDefault(p => p.Plate == txtPlate.Text) == null)
{
Car car = new Car();
car.MarkId = db.carMarks.FirstOrDefault(m => m.Name == txtMark.Text).Id;
car.ModelId = db.carModels.FirstOrDefault(mo => mo.Name == txtModel.Text).Id;
car.TypeId = db.carTypes.FirstOrDefault(t => t.Name == txtType.Text).Id;
car.ColorId = db.carColors.FirstOrDefault(c => c.Name == txtColor.Text).Id;
car.Year = Convert.ToInt32(txtYear.Text);
car.SeatCapacity = Convert.ToInt32(numCap.Value);
car.Rate = Convert.ToDecimal(txtRate.Text);
car.Plate = txtPlate.Text;
car.IsAviable = true;
car.Note = rtbNote.Text;
car.AddedDate = DateTime.Now;
db.Cars.Add(car);
db.SaveChanges();
MessageBox.Show("Car added sucessfully!");
fillDgv(db.Cars.ToList());
Reset();
}
else
{
lblError.Text = "This plate already exists.";
}
}
else
{
lblError.Text = "Please fill all required(*) data!";
}
}
static void PaintCar(carColor carColor)
{
Console.WriteLine("The car was painted {0} with the code {1}", carColor, (int)carColor);
}
static void paintCar(carColor cc)
{
Console.WriteLine($"The car was painted {cc} with code {(int)cc}");
}
