using namespace System;
using namespace System::Data;
using namespace System::Data::SqlClient;
void main()
{
SqlConnection myConnection = nullptr;
try
{
myConnection = gcnew SqlConnection("Data Source=localhost;Database=UltraMax; UID=sa; PWD=");
myConnection->Open();
SqlCommand myCommand = gcnew SqlCommand("GetMusicByGenre",myConnection);
myCommand->CommandType = CommandType::StoredProcedure;
SqlCommandBuilder::DeriveParameters(myCommand);
for ( int i = 0; i < myCommand->Parameters->Count; i++ )
Console::WriteLine("Name={0}; Type={1}; Direction={2}",
myCommand->Parameters[i]->ParameterName,
myCommand->Parameters[i]->DbType,
myCommand->Parameters[i]->Direction);
myCommand->Parameters->Clear();
myCommand->Parameters->Add("@Genre", SqlDbType::Char);
myCommand->Parameters["@Genre"]->Value = "Classical";
SqlParameter returnValue = gcnew SqlParameter("RETURN_VALUE",SqlDbType::Int);
returnValue->Direction = ParameterDirection::ReturnValue;
myCommand->Parameters->Add(returnValue);
myCommand->ExecuteNonQuery();
Console::WriteLine("Count = {0}",myCommand->Parameters["RETURN_VALUE"]->Value);
}
catch(Exception e)
{
Console::WriteLine(e->Message);
}
finally
{
myConnection->Close();
}
}