/// <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;
}
}
}
}
