//<summary> //A method that was invoked on clicking arrow buttons in pager control. //</summary> //<param name="sender">The source of the event.</param> //<param name="e">An <see cref="T:Syncfusion.Windows.Forms.ArrowButtonEventArgs">ArrowButtonEventArgs</see> that contains the event data.</param> async void RecordNavigationBar_ArrowButtonClicked(object sender, ArrowButtonEventArgs e) { switch (e.Arrow) { case ArrowType.Previous: _currentPage -= 1; if (resultCollection.ContainsKey(_currentPage)) { ResultSet = resultCollection[_currentPage]; } FillPage(ResultSet); break; case ArrowType.Next: { _currentPage += 1; if (!HBaseOperation.HasRows && !resultCollection.ContainsKey(_currentPage)) { _currentPage -= 1; } else if (resultCollection.ContainsKey(_currentPage)) { ResultSet = resultCollection[_currentPage]; } else { if (HBaseOperation.HasRows) { _grid.Enabled = false; commonLoaderPic.Visible = true; HBaseOperation.FetchSize = 5000; ResultSet = await HBaseOperation.ScanTableAsync(tableName, con); commonLoaderPic.Visible = false; _grid.Enabled = true; } } FillPage(ResultSet); DisplayPageInfo(); } break; } }
/// <summary> /// A method that was invoked on clicking arrow buttons in pager control. /// </summary> /// <param name="sender">The source of the event.</param> /// <param name="e">An <see cref="T:Syncfusion.Windows.Forms.ArrowButtonEventArgs">ArrowButtonEventArgs</see> that contains the event data.</param> async void RecordNavigationBar_ArrowButtonClicked(object sender, ArrowButtonEventArgs e) { switch (e.Arrow) { case ArrowType.Previous: _currentPage -= 1; if (resultCollection.ContainsKey(_currentPage)) { ResultSet = resultCollection[_currentPage]; } FillPage(ResultSet); break; case ArrowType.Next: { _currentPage += 1; if (!Reader.HasRows && !resultCollection.ContainsKey(_currentPage)) { _currentPage -= 1; } else if (!Reader.HasRows && resultCollection.ContainsKey(_currentPage)) { ResultSet = resultCollection[_currentPage]; } else { if (Reader.HasRows) { ResultSet = await Reader.FetchResultAsync(); } } FillPage(ResultSet); DisplayPageInfo(); } break; } }