protected void Page_Load(object sender, EventArgs e) { ConectionDB conection = new ConectionDB(); conection.ConnectDB(); try { //Declaro mi SqlCommand var fill = "SELECT [idCategoria],[descripcion] FROM [dbo].[Categoria]"; cate.DataSource = conection.GetData(fill); cate.DataBind(); conection.CloseDB(); } catch (Exception ex) { Response.Write(ex.Message); } conection.CloseDB(); }