<UserControl xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk" x:Class="MVVMEventTriggerDemo.Views.MainView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:viewModel="clr-namespace:MVVMEventTriggerDemo.ViewModels"
xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
xmlns:si="clr-namespace:Expression.Samples.Interactivity;assembly=Expression.Samples.Interactivity"
Height="600" Width="700">
<UserControl.Resources>
<viewModel:MainViewModel x:Key="MainViewmodel"/>
</UserControl.Resources>
<Grid x:Name="LayoutRoot" removed="White" DataContext="{StaticResource MainViewmodel}">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="258*" />
<ColumnDefinition Width="262*" />
</Grid.ColumnDefinitions>
<TextBox x:Name="t1" Text="{Binding EmployeeName, Mode=TwoWay}" Width="100" Height="30" Margin="142,77,20,289" Grid.Column="1">
<i:Interaction.Triggers>
<i:EventTrigger EventName="TextChanged">
<si:CallDataMethod Method="UpdateText"/>
<si:ShowMessageBox Caption="Thank you"
Message="Thanks for trying the Example"
MessageBoxButton="OK"/>
<si:SetProperty TargetName="t1" PropertyName="Background" Value="PaleGoldenrod"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</TextBox>
<-- Till here working is ok of textBox with UpdateText- Command.-->
<--But in dataGrid's textBox No Command gets fired -->
<sdk:DataGrid
x:Name="dgDevice"
AutoGenerateColumns="False"
Margin="13,13,13,13"
BorderThickness="1,0,1,1"
RowBackground="White"
VerticalScrollBarVisibility="Auto" Width="320"
Opacity="0.9"
removed="White"
GridLinesVisibility="None"
HeadersVisibility="None"
HorizontalScrollBarVisibility="Disabled"
ItemsSource="{Binding ActualColors,Mode=TwoWay}">
<sdk:DataGrid.Columns>
<sdk:DataGridTemplateColumn Width="320" >
<sdk:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid Width="auto">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="30*" />
</Grid.ColumnDefinitions>
<TextBox x:Name="t21" Text="{Binding Start, Mode=TwoWay}" Width="100" Height="30" Margin="142,77,20,289" Grid.Column="1">
<i:Interaction.Triggers>
<i:EventTrigger EventName="TextChanged">
<si:CallDataMethod Method="UpdateText"/>
<si:ShowMessageBox Caption="Thank you"
Message="Thanks for trying the Example"
MessageBoxButton="OK"/>
<si:SetProperty TargetName="t21" PropertyName="Background" Value="PaleGoldenrod"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</TextBox>
</Grid>
</DataTemplate>
</sdk:DataGridTemplateColumn.CellTemplate>
</sdk:DataGridTemplateColumn>
</sdk:DataGrid.Columns>
</sdk:DataGrid>
</Grid>
</UserControl>
Please Provide me a solution for this. [ Updateext is a method in MVVM class]
Thanks for your favor !