*******MAINPAGE.XAML.CS********

  public partial class MainPage : UserControl
  {
    public MainPage()
    {
      InitializeComponent();

      button1.Click += new RoutedEventHandler(button1_Click); //disable grid
      button2.Click += new RoutedEventHandler(button2_Click); //enable grid

      button3.Click += new RoutedEventHandler(button3_Click); //readonly grid
      button4.Click += new RoutedEventHandler(button4_Click); //notreadonly grid

      button5.Click += new RoutedEventHandler(button5_Click); //columnreadonly grid
      button6.Click += new RoutedEventHandler(button6_Click); //columnnotreadonly grid
      LoadData();
    }

    void button6_Click(object sender, RoutedEventArgs e)
    {
      ColumnsReadOnly(false);
      tb.Text = button6.Content.ToString();
    }

    void button5_Click(object sender, RoutedEventArgs e)
    {
      ColumnsReadOnly(true);
      tb.Text = button5.Content.ToString();
    }

    void button4_Click(object sender, RoutedEventArgs e)
    {
      IsReadOnly = false;
      tb.Text = button4.Content.ToString();
    }

    void button3_Click(object sender, RoutedEventArgs e)
    {
      IsReadOnly = true;
      tb.Text = button3.Content.ToString();
    }

    void button2_Click(object sender, RoutedEventArgs e)
    {
      grid.IsEnabled = true;
      tb.Text = button2.Content.ToString();
    }

    void button1_Click(object sender, RoutedEventArgs e)
    {
      grid.IsEnabled = false;
      tb.Text = button1.Content.ToString();
    }

    private void ColumnsReadOnly(bool isReadonly)
    {
      foreach (Column c in grid.Columns)
      {
        if ((c as TemplateColumn) != null)
          (c as TemplateColumn).IsReadOnly = isReadonly;

        if ((c as TextColumn) != null)
          (c as TextColumn).IsReadOnly = isReadonly;
      }
    }

    public bool IsReadOnly
    {
      get
      {
        if (grid.EditingSettings.AllowEditing == EditingType.Cell)
        {
          return false;
        }

        return true;
      }
      set {grid.EditingSettings.AllowEditing = value ? EditingType.None : EditingType.Cell; }
    }


    private void LoadData()
    {
      List<Obj> objList = new List<Obj>() { };
      for (int i = 0; i <= 100; i++)
      {
        objList.Add(new Obj()
        {
          Name = i.ToString(),
          Template1 = i % 2 == 0,
          Template2 = i % 10 == 0
        });
      }

      grid.ItemsSource = objList;
    }
  }

  public class Obj
  {
    public string Name { get; set; }
    public bool Template1 { get; set; }
    public bool Template2 { get; set; }
  }



***************MAINPAGE.XAML*******

<UserControl x:Class="xamWebgridReadOnlyApp.MainPage">
    <Grid x:Name="LayoutRoot">
        <Grid.RowDefinitions>
            <RowDefinition Height="25"/>
            <RowDefinition Height="25"/>
            <RowDefinition Height="25"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="25"/>

        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <Button x:Name="button1" Content="Disable Grid" />
        <Button x:Name="button2" Content="Enable Grid" Grid.Column="1"/>
        
        <Button x:Name="button3" Content="ReadOnly Grid" Grid.Row="1" />
        <Button x:Name="button4" Content="NotReadOnly Grid"  Grid.Row="1" Grid.Column="1"/>
        
        <Button x:Name="button5" Content="ColumnReadOnly Grid" Grid.Row="2" />
        <Button x:Name="button6" Content="ColumnNotReadOnly Grid"  Grid.Row="2" Grid.Column="1"/>

        
        <webGrid:XamWebGrid x:Name="grid" Grid.Row="3" Grid.ColumnSpan="2">
            <webGrid:XamWebGrid.Columns>

                <webGrid:TextColumn x:Name="Name" Key="Name"/>

                <webGrid:TemplateColumn x:Name="Template1" Key="Template1">
                    <webGrid:TemplateColumn.ItemTemplate>
                        <DataTemplate>
                            <CheckBox HorizontalAlignment="Center"
                                      VerticalAlignment="Center"
                                      x:Name="cb1"
                                      IsChecked="{Binding Template1, Mode=TwoWay}" />
                        </DataTemplate>
                    </webGrid:TemplateColumn.ItemTemplate>
                </webGrid:TemplateColumn>

                <webGrid:TemplateColumn x:Name="Template2" Key="Template2">
                    <webGrid:TemplateColumn.ItemTemplate>
                        <DataTemplate>
                            <CheckBox HorizontalAlignment="Center"
                                      VerticalAlignment="Center"
                                      x:Name="cb2"
                                      IsChecked="{Binding Template2, Mode=TwoWay}" />
                        </DataTemplate>
                    </webGrid:TemplateColumn.ItemTemplate>
                </webGrid:TemplateColumn>


            </webGrid:XamWebGrid.Columns>

        </webGrid:XamWebGrid>
        
        <TextBlock x:Name="tb" Grid.Row="4"/>
    </Grid>
</UserControl>