// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002567/object-tostringsafe

​

// @nuget: Z.ExtensionMethods

​

using System;           

​

public class Program

{

    public static void Main()

    {

        int thisValue = 1;

        string thisNull = null;

​

        // C# Extension Method: Object - ToStringSafe

        string result1 = thisValue.ToStringSafe(); // return "1";

        string result2 = thisNull.ToStringSafe(); // return "";

​

        Console.WriteLine(result1);

        Console.WriteLine(result2);

    }

}