How can I convert String to Int?

Question

I have a TextBoxD1.Text and I want to convert it to an int to store it in a database.

How can I do this?

Answer 1

METHOD 1

int  TheAnswer1 = 0;
bool Success = Int32.TryParse("42", out TheAnswer1);
if (!Success) {
    Console.WriteLine("String not Convertable to an Integer");
}

METHOD 2

int TheAnswer2 = 0;
try {
    TheAnswer2 = Int32.Parse("42");
}
catch {
    Console.WriteLine("String not Convertable to an Integer");
}

METHOD 3

int TheAnswer3 = 0;
try {
    TheAnswer3 = Int32.Parse("42");
}
catch (FormatException) {
    Console.WriteLine("String not in the correct format for an Integer");
}
catch (ArgumentNullException) {
    Console.WriteLine("String is null");
}
catch (OverflowException) {
    Console.WriteLine("String represents a number less than"
                      + "MinValue or greater than MaxValue");
}