Home / Community & Support / Developer Productivity Tools Forums / Silverlight > GridView > RadComboBox + RadGridView = bug ?

• jimmy yang

  Posted on Sep 17, 2011 (permalink)

  I put a RadComboBox in RadGridView and set the RadGridView's height a small value. Run the application, RadGridView will display the VerticalScrollBar automatically. I found that after scroll the VerticalScrollBar up or down serveral times, the RadComBox's items dispeared. Is it a bug?
  ------------------------------------------------------------------
  MainPage.xaml :
  

  <UserControl x:Class="RadControlsBug.MainPage"

  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

  xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

  xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"

  mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480">

  <Grid x:Name="LayoutRoot">

  <telerik:RadGridView ItemsSource="{Binding Employees,Mode=TwoWay}" ShowGroupPanel="False" RowIndicatorVisibility="Collapsed" CanUserFreezeColumns="False" Margin="10" AutoGenerateColumns="False" Height="90" Width="300" >

  <telerik:RadGridView.Columns>

  <telerik:GridViewColumn Header="Name">

  <telerik:GridViewColumn.CellTemplate>

  <DataTemplate>

  <telerik:RadMaskedTextInput Width="100" Value="{Binding Name,Mode=TwoWay}" TextMode="PlainText" Margin="5"></telerik:RadMaskedTextInput>

  </DataTemplate>

  </telerik:GridViewColumn.CellTemplate>

  </telerik:GridViewColumn>

  <telerik:GridViewColumn Header="Sex">

  <telerik:GridViewColumn.CellTemplate>

  <DataTemplate>

  <telerik:RadComboBox ItemsSource="{Binding SexList,Mode=TwoWay}" SelectedValue="{Binding Sex,Mode=TwoWay}" SelectedValuePath="Value" DisplayMemberPath="Text" Margin="5" >

  </telerik:RadComboBox>

  </DataTemplate>

  </telerik:GridViewColumn.CellTemplate>

  </telerik:GridViewColumn>

  </telerik:RadGridView.Columns>

  </telerik:RadGridView>

  </Grid>

  </UserControl>

  -----------------------------------------------------------
  MainPage.xaml.cs:
  

  using System.Windows;

  using System.Windows.Controls;

  using RadControlsBug.Model;

  namespace RadControlsBug

  {

  public partial class MainPage : UserControl

  {

  private Company _viewModel = new Company();

  public MainPage()

  {

  InitializeComponent();

  this.Loaded += new RoutedEventHandler(MainPage_Loaded);

  }

  void MainPage_Loaded(object sender, RoutedEventArgs e)

  {

  _viewModel.Employees.Add(new Employee() { Name = "Jimmy", Sex = "M" });

  _viewModel.Employees.Add(new Employee() { Name = "Mike", Sex = "M" });

  _viewModel.Employees.Add(new Employee() { Name = "Jack", Sex = "M" });

  _viewModel.Employees.Add(new Employee() { Name = "Rose", Sex = "F" });

  _viewModel.Employees.Add(new Employee() { Name = "Kate", Sex = "F" });

  this.DataContext = _viewModel;

  }

  }

  }

  -----------------------------------------------
  Company.cs
  

  using System.Collections.ObjectModel;

  namespace RadControlsBug.Model

  {

  public class Company

  {

  public string CompanyName { set; get; }

  private ObservableCollection<Employee> _employees = new ObservableCollection<Employee>();

  public ObservableCollection<Employee> Employees

  {

  get { return _employees; }

  set { _employees = value; }

  }

  }

  }

  --------------------------------------------------------
  Employee.cs
  

  using System.Collections.Generic;

  namespace RadControlsBug.Model

  {

  public class Employee

  {

  public string Name { set; get; }

  public string Sex { set; get; }

  public List<TextValueObject> SexList {

  get { return SexCollection.SexList; }

  }

  }

  }

  ------------------------------------------------------------------
  TextValueObject.cs
  

  namespace RadControlsBug.Model

  {

  public class TextValueObject

  {

  public string Text { set; get; }

  public string Value { set; get; }

  }

  }

  -------------------------------------------
  SexCollection.cs
  

  using System.Collections.Generic;

  namespace RadControlsBug.Model

  {

  public static class SexCollection

  {

  private static List<TextValueObject> _SexList = new List<TextValueObject>();

  public static List<TextValueObject> SexList

  {

  get { return SexCollection._SexList; }

  }

  static SexCollection()

  {

  _SexList.Add(new TextValueObject() { Text = "Male", Value = "M" });

  _SexList.Add(new TextValueObject() { Text = "Female", Value = "F" });

  }

  }

  }

  
  
  

  Attached files

  • radgridview.jpg

  Reply

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Home / Community & Support / Developer Productivity Tools Forums / Silverlight > GridView > RadComboBox + RadGridView = bug ?