Learning Video Executing Stored Procedure in LINQ to SQL

Source code used in Video

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace StoredProcedure
{
    class Program
    {
        static void Main(string[] args)
        {
            DataClasses1DataContext context = new DataClasses1DataContext();
            // Call SP with parameter
            int studentID = 2;
            var result=  context.GetStudentGrades(studentID);
            foreach (var r in result)
            {
                Console.WriteLine(r.Grade);
            }

            // call SP with parameter
            int? a=1;
            var result1 = context.GetStudentCount(ref a);
            Console.WriteLine(a);

            Console.ReadKey(true);

        }
    }
}

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