void PopulateGridView() { List <Alumno> alumnos = AlumnoLN.getInstance().ListarAlumnos(); listAlumnos.DataSource = alumnos; listAlumnos.DataBind(); /*DataTable dtbl = new DataTable(); * using (SqlConnection sqlCon= new SqlConnection(connectionString)) * { * sqlCon.Open(); * SqlDataAdapter sqlDa = new SqlDataAdapter("Select * from Alumno", sqlCon); * sqlDa.Fill(dtbl); * } * if(dtbl.Rows.Count > 0) * { * listAlumnos.DataSource = dtbl; * listAlumnos.DataBind(); * } * else * { * dtbl.Rows.Add(dtbl.NewRow()); * listAlumnos.DataSource = dtbl; * listAlumnos.DataBind(); * listAlumnos.Rows[0].Cells.Clear(); * listAlumnos.Rows[0].Cells.Add(new TableCell()); * listAlumnos.Rows[0].Cells[0].ColumnSpan = dtbl.Columns.Count; * listAlumnos.Rows[0].Cells[0].Text = "No data"; * listAlumnos.Rows[0].Cells[0].HorizontalAlign = HorizontalAlign.Center; * }*/ }
protected void btnRegistrar_Click(object sender, EventArgs e) { //Registro del alumno Alumno objAlumno = GetEntity(); //Enviar a la capa Logica de Negocio bool response = AlumnoLN.getInstance().RegistrarAlumno(objAlumno); if (response == true) { Response.Write("<script>alert('REGISTRO CORRECTO.')</script>"); } else { Response.Write("< script > alert('REGISTRO INCORRECTO.') </ script > "); } }