Using TryParse() in Place of an Invalid Cast Exception : Convert from string « Data Type « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Data Type
3. Convert from string

class MainClass
{
  static void Main()
  {
    double number;
    string input;

    System.Console.Write("Enter a number: ");
    input = System.Console.ReadLine();
    if (double.TryParse(input, out number)){
       // Converted correctly, now use number
    }else{
        System.Console.WriteLine("The text entered was not a valid number.");
    }
  }
}