using System.Collections.Generic; 

using System.Data;

​

public class Program

{

    public static void Main()

    {                           

        // Here we create a DataTable with four columns.

        DataTable table = new DataTable();

        table.Columns.Add("Dosage", typeof(int));

        table.Columns.Add("Drug", typeof(string));

        table.Columns.Add("Patient", typeof(string));

        table.Rows.Add(1, "Placebo", "Patient Zero");

        FiddleHelper.WriteTable(table);

    }

}