LoadOperation 泛型類別

表示非同步載入作業。

命名空間: System.ServiceModel.DomainServices.Client
組件: System.ServiceModel.DomainServices.Client (於 system.servicemodel.domainservices.client.dll)

使用方式

'用途
Dim instance As LoadOperation(Of TEntity)

語法

'宣告
Public NotInheritable Class LoadOperation(Of TEntity As Entity)
    Inherits LoadOperation

public sealed class LoadOperation<TEntity> : LoadOperation where TEntity : Entity

generic<typename TEntity> where TEntity : Entity
public ref class LoadOperation sealed : public LoadOperation

GenericParameters

• TEntity
  正在載入的實體類型。

範例

下列範例示範用來以查詢資料填入 DataGrid 的 LoadOperation 物件。

Imports System.ServiceModel.DomainServices.Client
Imports RIAServicesExample.Web

Partial Public Class MainPage
    Inherits UserControl

    Private _customerContext As New CustomerDomainContext

    Public Sub New()
        InitializeComponent()

        Dim loadOp = Me._customerContext.Load(Me._customerContext.GetCustomersQuery())
        CustomerGrid.ItemsSource = loadOp.Entities
    End Sub

End Class

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using RIAServicesExample.Web;
using System.ServiceModel.DomainServices.Client;

namespace RIAServicesExample
{
    public partial class MainPage : UserControl
    {
        private CustomerDomainContext _customerContext = new CustomerDomainContext();

        public MainPage()
        {
            InitializeComponent();

            LoadOperation<Customer> loadOp = this._customerContext.Load(this._customerContext.GetCustomersQuery());
            CustomerGrid.ItemsSource = loadOp.Entities;
        }
    }
}

繼承階層

System.Object
   System.ServiceModel.DomainServices.Client.OperationBase
     System.ServiceModel.DomainServices.Client.LoadOperation
      System.ServiceModel.DomainServices.Client.LoadOperation

執行緒安全性

任何這個類型的公用靜態 (在 Visual Basic 中為 共用) 成員都具備執行緒安全。 不保證任何執行個體成員安全執行緒。

平台

開發平台

Windows XP Home Edition, Windows XP Professional, Windows Server 2003 、Windows Server 2008 和 Windows 2000

目標平台

Change History

另請參閱

參考

LoadOperation 成員
System.ServiceModel.DomainServices.Client 命名空間