/// <summary> /// 增加请求的回调方法。 /// </summary> /// <param name="result"></param> private void OnChangesSaved(IAsyncResult result) { Dispatcher.BeginInvoke(() => { SampleProjects svcContext = result.AsyncState as SampleProjects; try { // 完成保存改变操作显示结果。 WriteOperationResponse(svcContext.EndSaveChanges(result)); } catch (DataServiceRequestException ex) { // 显示错误信息。 WriteOperationResponse(ex.Response); } catch (InvalidOperationException ex) { messageTextBlock.Text = ex.Message; } finally { // 重新加载绑定的集合来刷新Grid,显示操作的结果。 // 你也可以删除下边的代码行,并通过刷新本也或者直接查看数据库来看操作结果。 LoadData(); } }); }
/// <summary> /// Callback method of the insert operation. /// </summary> /// <param name="result"></param> private void OnChangesSaved(IAsyncResult result) { Dispatcher.BeginInvoke(() => { SampleProjects svcContext = result.AsyncState as SampleProjects; try { // Complete the save changes operation and display the response. WriteOperationResponse(svcContext.EndSaveChanges(result)); } catch (DataServiceRequestException ex) { // Display the error from the response. WriteOperationResponse(ex.Response); } catch (InvalidOperationException ex) { messageTextBlock.Text = ex.Message; } finally { // Reload the binding collection to refresh Grid to see if it's successfully updated. // You can also remove the following line. To see the update effect, just refresh the page or check out database directly. LoadData(); } }); }
/// <summary> /// 本方法中,我们向ADO.NET Data Service发送了一个异步的REST请求,来获得Category /// 记录。 /// </summary> private void LoadData() { _context = new SampleProjects(new Uri(_sampleUri)); DataServiceQuery <Category> query = (DataServiceQuery <Category>)( from c in _context.Categories select c); query.BeginExecute(OnCategoryQueryComplete, query); }
private void selectDownloadedPackage(IPackage pack) { string packagePath = GetPackagePath(pack); IEnumerable <string> files = Directory.EnumerateFiles(packagePath, "*.dspx", SearchOption.AllDirectories); if (NuGet.EnumerableExtensions.Any <string>(files)) { foreach (var item in SampleProjects) { if (item is ISampleProject && Path.GetFileNameWithoutExtension(files.First()) == (item as ISampleProject).Name) { lstProjectTemplates.SelectedIndex = SampleProjects.IndexOf(item); CreateProjectFromTemplate(); break; } } } }