Close database connection in destructor : SqlConnection « Database ADO.net « Visual C++ .NET

1. Visual C++ .NET
2. Database ADO.net
3. SqlConnection

Close database connection in destructor

 

#include "stdafx.h"

#using "System.dll"
#using "System.Data.dll"

using namespace System;
using namespace System::Data::SqlClient;

ref class DataConnection
{
   SqlConnection^ conn;

   public:

   DataConnection()
   {
      conn = gcnew SqlConnection("Server=(local);Uid=sa;Pwd=****;Initial Catalog=master");
      conn->Open();
   }


   ~DataConnection()
   {
      this->!DataConnection();
   }

   !DataConnection()
   {
      try {
        Console::WriteLine("Closing connection...");
        conn->Close();
      }
      catch(Exception^ e)
      {
         Console::WriteLine("Error occurred! " + e->Message);
      }
   }

};
int main()
{
   DataConnection connection1;
   DataConnection^ connection2 = gcnew DataConnection();
   GC::Collect();
}

   
  

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