#眉標=Silverlight 4、WCF RIA Services、VS2010
#副標=Silverlight最新技術與應用(3)
#大標=WCF RIA Services協助存取遠端資料庫
#作者=文／圖 董大偉


===<反灰>=============
private void buttonSubmit_Click(object sender, RoutedEventArgs e)
  {
  //Update to DB
  this.addressBookRecordDomainDataSource.SubmitChanges();
  MessageBox.Show("data saved!!!");
  }
==<end>==============





===<反灰>=============
<!--Domain Data Source控制項-->
<riaControls:DomainDataSource AutoLoad="True"  Height="0" 
   LoadedData="addressBookRecordDomainDataSource_LoadedData" 
   Name="addressBookRecordDomainDataSource" 
   QueryName="GetAddressBookRecordQuery" Width="0">
  <!--這一段決定了DomainDataSource控制項所要連結的Service-->
  <riaControls:DomainDataSource.DomainContext>
   <my:AddressBookContext /> 
  </riaControls:DomainDataSource.DomainContext>
</riaControls:DomainDataSource>
<!--DataGrid控制項-->
<!--請特別留意ItemsSource的DataBinding設定-->
<sdk:DataGrid AutoGenerateColumns="False" Height="215"               
   ItemsSource="{Binding ElementName=addressBookRecordDomainDataSource, Path=Data}"    
   Margin="12,12,12,0" Name="addressBookRecordDataGrid" 
   RowDetailsVisibilityMode="VisibleWhenSelected" VerticalAlignment="Top">
  <sdk:DataGrid.Columns>
   <!--(...略...)-->
  </sdk:DataGrid.Columns>
</sdk:DataGrid>
<!--SubmitButton-->
<Button Content="Submit" Height="23" HorizontalAlignment="Left" Margin="12,264,0,0" Name="buttonSubmit" VerticalAlignment="Top" Width="75" Click="buttonSubmit_Click" />
==<end>==============





===<反灰>=============
public IQueryable<AddressBookRecord> GetAddressBookRecord()
  {
   return this.ObjectContext.AddressBookRecord.OrderBy(c=>c.uid);
  }
　　
==<end>==============