public CategoriaController(Categoria categoria, CategoriaView categoriaView)
{
categoriaView.Nombre = categoria.Nombre;
categoriaView.SaveActionDelegate = delegate {
categoria.Nombre = categoriaView.Nombre;
Categoria.Save(categoria);
};
}
public static void Save(Categoria categoria)
{
IDbCommand updateDbCommand = App.Instance.DbConnection.CreateCommand ();
updateDbCommand.CommandText = "update categoria set nombre=@nombre where id=" + categoria.Id;
DbCommandUtil.AddParameter (updateDbCommand, "nombre", categoria.Nombre);
updateDbCommand.ExecuteNonQuery ();
}
public CategoriaController(Categoria categoria, CategoriaView categoriaView)
{
this.categoria = categoria;
this.categoriaView = categoriaView;
categoriaView.Nombre = categoria.Nombre;
categoriaView.SaveAction.Activated += delegate{
saveActionHandler ();
};
}
public static Categoria Load(string id)
{
IDbCommand selectDbCommand = App.Instance.DbConnection.CreateCommand ();
selectDbCommand.CommandText = "select nombre from categoria where id=" + id;
IDataReader dataReader = selectDbCommand.ExecuteReader();
dataReader.Read(); //lee el primero
Categoria categoria = new Categoria();
categoria.Id = int.Parse (id);
categoria.Nombre = dataReader["nombre"].ToString();
dataReader.Close ();
return categoria;
}
public static Categoria Load(string id)
{
IDbCommand select = App.Instance.DbConnection.CreateCommand ();
select.CommandText = string.Format("select nombre from categoria where id={0}",id);
IDataReader reader = select.ExecuteReader ();
reader.Read ();
Categoria categoria = new Categoria ();
categoria.Id = int.Parse (id);
categoria.Nombre = reader ["nombre"].ToString ();
reader.Close ();
return categoria;
}
public static void Main(string[] args)
{
string connectionString="Server=localhost;Database=dbprueba;" +
"User Id=root;Password=sistemas";
MySqlConnection mySqlConnection = new MySqlConnection(connectionString);
Categoria cat = new Categoria ();
cat.Nombre = DateTime.Now.ToString ();
Categoria.Save (cat);
App.Instance.DbConnection=mySqlConnection;
Application.Init ();
MainWindow win = new MainWindow ();
win.Show ();
Application.Run ();
}
