Using database Commands : OleDbCommand « Database ADO.net « Visual C++ .NET

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

Using database Commands

 
#include "stdafx.h"
using namespace System;
using namespace System::Data;
using namespace System::Data::OleDb;

void main()
{
    OleDbConnection^ myConnection = nullptr;
    myConnection = gcnew OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Music.mdb");
    myConnection->Open();
    OleDbCommand^ myCommand = myConnection->CreateCommand();
    myCommand->CommandText = "SELECT COUNT(*) FROM Music";
    myCommand = gcnew OleDbCommand("SELECT COUNT(*) FROM Music",myConnection);
    Object^ count = myCommand->ExecuteScalar();
    Console::WriteLine("There are {0} songs in the Music table", count);
    myCommand->CommandText ="DELETE FROM Music WHERE Genre='N'";
    int RecordsAffected = myCommand->ExecuteNonQuery();
    Console::WriteLine("{0} songs were deleted from the Music table",RecordsAffected);
    myConnection->Close();
}

   
  

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