private void getUsersAndLoadUserTable() { usersTable = userService.getUsers(); grid_users.ItemsSource = null; DataTable dt = new DataTable(); dt.Columns.Add("Username"); for (int i = 0; i < usersTable.Rows.Count; i++) { DataRow filas = usersTable.Rows[i]; dt.Rows.Add(filas["usr_Username"]); } grid_users.ItemsSource = dt.DefaultView; grid_users.MaxHeight = 400; }