using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string StringUnsecureWhereDate = "({0} >= {1})";

        string StringUnsecureWhereDateTS = "({0} > {1} OR CASE WHEN {2} = {3} THEN CASE WHEN {4} > {5} THEN 1 ELSE 0 END ELSE 0 END = 1)";

        string msgDate = string.Format(StringUnsecureWhereDate, "UpdateDate", "{d '2018-01-17'}");

        string msgDateTS = string.Format(StringUnsecureWhereDateTS, "UpdateDate", "{d '2018-01-17'}", "UpdateDate", "{d '2018-01-17'}", "UpdateTS", "142934");

        Console.WriteLine("Format Result Date: {0}", msgDate);      

        Console.WriteLine("Format Result DateTS: {0}", msgDateTS);

​

    }

}