本文整理匯總了C#中System.Data.Services.Client.DataServiceContext.BeginExecute方法的典型用法代碼示例。如果您正苦於以下問題：C# DataServiceContext.BeginExecute方法的具體用法？C# DataServiceContext.BeginExecute怎麽用？C# DataServiceContext.BeginExecute使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Data.Services.Client.DataServiceContext的用法示例。
在下文中一共展示了DataServiceContext.BeginExecute方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: BeginExecuteCustomersQuery
public static void BeginExecuteCustomersQuery()
{
// Create the DataServiceContext using the service URI.
NorthwindEntities context = new NorthwindEntities(svcUri);
// Define the query to execute asynchronously that returns
// all customers with their respective orders.
DataServiceQuery<Customer> query = (DataServiceQuery<Customer>)(from cust in context.Customers.Expand("Orders")
where cust.CustomerID == "ALFKI"
select cust);
try
{
// Begin query execution, supplying a method to handle the response
// and the original query object to maintain state in the callback.
query.BeginExecute(OnCustomersQueryComplete, query);
}
catch (DataServiceQueryException ex)
{
throw new ApplicationException(
"An error occurred during query execution.", ex);
}
}
// Handle the query callback.
private static void OnCustomersQueryComplete(IAsyncResult result)
{
// Get the original query from the result.
DataServiceQuery<Customer> query =
result as DataServiceQuery<Customer>;
foreach (Customer customer in query.EndExecute(result))
{
Console.WriteLine("Customer Name: {0}", customer.CompanyName);
foreach (Order order in customer.Orders)
{
Console.WriteLine("Order #: {0} - Freight $: {1}",
order.OrderID, order.Freight);
}
}
}