using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

    }

    private void SetDate(List<object> parameters, string paramsDate, DateTime paramsField)

    {

        if (paramsField != null)

        {

            parameters.AddRange(new object[] { paramsDate, paramsField });

        }

    }

​

    private void SetGuid(List<object> parameters, string paramsString, Guid paramsField)

    {

        if (paramsField != Guid.Empty)

        {

            parameters.AddRange(new object[] { paramsString, paramsField });

        }

    }

​

    private void SetString(List<object> parameters, string paramsString, string paramsField)

    {

        if (paramsField.Length > 0)

        {

            parameters.AddRange(new object[] { paramsString, paramsField });

        }

    }

​

    private void SetID(List<object> parameters, string paramsString, int paramsField)

    {

        if (paramsField != -1)

        {

            parameters.AddRange(new object[] { paramsString, paramsField });

        }

    }

}