Catch exception when calling stored procedure : SqlConnection Stored Procedure « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. SqlConnection Stored Procedure

using System;
using System.Data;
using System.Data.SqlClient;

class MainClass
{
   static void Main()
   {
         SqlConnection conn = new SqlConnection(@"data source = .\sqlexpress;integrated security = true;database = northwind");

         SqlCommand cmd = conn.CreateCommand();

         cmd.CommandType = CommandType.StoredProcedure;
         try
         {
            conn.Open();
            SqlDataReader dr = cmd.ExecuteReader();
            dr.Close();
         }
         catch (System.Data.SqlClient.SqlException ex)
         {
            Console.WriteLine("Source: " + ex.Source);
            Console.WriteLine("Exception Message: " + ex.Message);
         }
         catch (System.Exception ex)
         {
            Console.WriteLine("Source: " + ex.Source);
            Console.WriteLine("Exception Message: " + ex.Message);
         }
         finally
         {
            if (conn.State == ConnectionState.Open)
            {
               Console.WriteLine("Finally block closing the connection");
               conn.Close();
            }
         }
   }
}