public Main()
{
InitializeComponent();
databaseConnection = DatabaseConnection.GetInstance();
gbShowMain.Text = "";
groupBox2.Text = "";
chainInit = new UserInitChain(this);
chainInit.Next(new GamesInitChain(this))
.Next(new CountriesInitChain(this))
.Next(new GenresInitChain(this));
chainColumn1 = new UserChain(this);
chainColumn1.Next(new GamesChain(this))
.Next(new CountriesChain(this))
.Next(new GenresChain(this));
chainColumn2 = new User2_Chain(this);
chainColumn2.Next(new Games2_Chain(this));
deleteChainColumn1 = new DeleteCountry(this);
deleteChainColumn1.Next(new DeleteGenre(this))
.Next(new DeleteUser(this))
.Next(new DeleteGame(this));
deleteChainColumn2 = new DeleteScore1(this);
deleteChainColumn2.Next(new DeleteScore2(this));
deleteChainColumn3 = new DeleteGameGenre(this);
modifyChainColumn1 = new ModifyCountry(this);
modifyChainColumn1.Next(new ModifyGenre(this))
.Next(new ModifyGame(this))
.Next(new ModifyUser(this));
}