wpf LookUpEdit PopupContentTemplate

 <dxg:LookUpEdit
                 Name="searchLookUpEdit"
                 HorizontalAlignment="Stretch"
                 PopupHeight=""
                 PopupWidth=""
                 PopupMinHeight=""
                 PopupMinWidth=""
                 IsPopupAutoWidth="False"
                 FilterCondition = "StartsWith"
                 FindButtonPlacement = "Popup"
                 FindMode = "Always"
                 ShowSizeGrip = "True"
                 PopupContentTemplate="{StaticResource gridTemplate}"
                 ItemsSource="{Binding Path=PeopleInfoArray}"
                 AutoPopulateColumns="False"
                 DisplayMember="Name"
                 ValueMember="Id"
                 >
             <dxg:LookUpEdit.StyleSettings>
                 <dxg:SearchLookUpEditStyleSettings />
             </dxg:LookUpEdit.StyleSettings>
         </dxg:LookUpEdit>

LookUpEdit

  <ControlTemplate x:Key="popupContentTemplate">
                 <dxg:GridControl x:Name="PART_GridControl" AutoExpandAllGroups="True">
                     <dxg:GridControl.Columns>
                         <dxg:GridColumn FieldName="Id" />
                         <dxg:GridColumn FieldName="PId" />
                         <dxg:GridColumn FieldName="Name" />
                         <dxg:GridColumn FieldName="BirthDate" />
                         <dxg:GridColumn FieldName="Age" Width="" FixedWidth="True" />
                     </dxg:GridControl.Columns>
                     <dxg:GridControl.View>
                         <dxg:TableView
                         Name="View"
                         ShowGroupedColumns="True"
                         AutoWidth="True"
                         AllowPerPixelScrolling="True"
                         ScrollAnimationDuration=""
                         ShowAutoFilterRow="True"
                         ShowTotalSummary="True"
                         IsSynchronizedWithCurrentItem="False">
                         </dxg:TableView>
                     </dxg:GridControl.View>
                 </dxg:GridControl>
             </ControlTemplate>

ControlTemplate

 /// <summary>
     /// LookupControl.xaml 的交互逻辑
     /// </summary>
     public partial class LookupControl : Window
     {
         public LookupControl()
         {
             InitializeComponent();
             LookupControlViewModel viewModel = new LookupControlViewModel();

             this.DataContext = viewModel;
         }
     }

LookupControl.xaml.cs

  /// <summary>
     /// Lookup 控件ViewModel
     /// </summary>
     public class LookupControlViewModel : DxslViewModelBase
     {
         /// <summary>
         /// 人员信息集合
         /// </summary>
         public ObservableCollection<PersonInfo> PeopleInfoArray { get; set; }

         public LookupControlViewModel()
         {
             PeopleInfoArray = Dxsl.InitDataBase.FackDataBaseLayer.GetPeopleFromDatabase();
         }
     }

LookupControlViewModel

 public class FackDataBaseLayer
     {
         /// <summary>
         /// 获取人员信息
         /// </summary>
         /// <returns></returns>
         public static ObservableCollection<PersonInfo> GetPeopleFromDatabase()
         {
             //Simulate database extaction
             //For example from ADO DataSets or EF
             return new ObservableCollection<PersonInfo>
             {
                 new PersonInfo {Age= , Id= "", PId="", Address="北京市海淀区",  Name="王爷爷"  },
                 new PersonInfo {Age= , Id="", PId="",  Address="北京市海淀区",  Name="王父亲"  },
                 new PersonInfo {Age= , Id="", PId="",  Address="北京市海淀区",  Name="王一"  },
                 new PersonInfo {Age= , Id="",PId="",   Address="北京市海淀区",  Name="王二"  },
                 new PersonInfo {Age= , Id="",PId="",   Address="北京市海淀区",  Name="王三"  }
             };
         }
     }

FackDataBaseLayer

  /// <summary>
     /// 人员信息
     /// </summary>
     public class PersonInfo : DxslModelBase
     {
         #region 字段
         private string _id;
         private string _pId;
         private string _name;
         private int _age;
         private string _address;
         #endregion

         #region 属性
         /// <summary>
         /// 自增Id
         /// </summary>
         public string Id
         {
             get { return _id; }
             set { _id = value; NotifyPropertyChanged("Id"); }
         }
         /// <summary>
         /// 父级Id
         /// </summary>
         public string PId
         {
             get { return _pId; }
             set { _pId = value; NotifyPropertyChanged("PId"); }
         }
         /// <summary>
         /// 姓名
         /// </summary>
         public string Name
         {
             get { return _name; }
             set { _name = value; NotifyPropertyChanged("Name"); }
         }
         /// <summary>
         /// 年龄
         /// </summary>
         public int Age
         {
             get { return _age; }
             set { _age = value; NotifyPropertyChanged("Age"); }
         }
         /// <summary>
         /// 地址
         /// </summary>
         public string Address
         {
             get { return _address; }
             set { _address = value; NotifyPropertyChanged("Address"); }
         }
         #endregion

         #region 构造函数
         public PersonInfo()
         {

         }
         #endregion

         #region 方法

         #endregion
     }

PersonInfo

  /// <summary>
     /// Dxsl类model基类
     /// </summary>
     public class DxslModelBase : INotifyPropertyChanged
     {
         #region NotifyPropertyChanged
         public event PropertyChangedEventHandler PropertyChanged;
         /// <summary>
         /// 属性通知
         /// </summary>
         /// <param name="property">属性名称</param>
         public void NotifyPropertyChanged(string property)
         {
             if (this.PropertyChanged != null)
                 this.PropertyChanged(this, new PropertyChangedEventArgs(property));
         }
         #endregion
     }

DxslModelBase

  public class DxslViewModelBase : INotifyPropertyChanged
     {
         #region NotifyPropertyChanged
         public event PropertyChangedEventHandler PropertyChanged;
         /// <summary>
         /// 属性通知
         /// </summary>
         /// <param name="property">属性名称</param>
         public void NotifyPropertyChanged(string property)
         {
             if (this.PropertyChanged != null)
                 this.PropertyChanged(this, new PropertyChangedEventArgs(property));
         }
         #endregion
     }

DxslViewModelBase