Connection Pooling in multithreaded applications

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

namespace ConsoleForMultiConnectionTest
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Operation started.");

            try
            {
                for (int index = 0; index < 100; index++)
                {

                    Thread statusUpdateThread = new Thread(new ThreadStart(RunOnThread));
                    statusUpdateThread.IsBackground = true;
                    statusUpdateThread.Start();

                }

            }
            catch (System.InvalidOperationException invalidOperatioExcpetion)
            {
                throw;
            }
            catch (System.Data.SqlClient.SqlException sqlException)
            {
                throw;
            }
            catch
            {
                throw;
            }

            Console.WriteLine("Operation completed... Press <Enter> to exit.");
            Console.ReadLine();
        }

        
        private static void RunOnThread()
        {
            Project SomeProject = new Project() { Name = "SomeProject" };

            List<Employee> employees = new List<Employee>()
         {
            new Employee(){Name ="A"},
            new Employee(){Name ="B"},
            new Employee(){Name ="C"},
            new Employee(){Name ="D"},
            new Employee(){Name ="E"}
         };

            employees.ForEach(e => e.AddProject(SomeProject));

            SomeProject.UpdateStatus();

        }
    }
}