DataValidationDemo.xaml

&#65279;<democommon:DemoControl
    x:Class="syncfusion.treegriddemos.wpf.DataValidationDemo"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:democommon="clr-namespace:syncfusion.demoscommon.wpf;assembly=syncfusion.demoscommon.wpf"
    xmlns:local="clr-namespace:syncfusion.treegriddemos.wpf"
    xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
    >

    <democommon:DemoControl.DataContext>
        <local:DataValidationViewModel />
    </democommon:DemoControl.DataContext>

    <democommon:DemoControl.Resources>
        <democommon:EnumDisplayNameConverter x:Key="enumDisplayNameConverter" />
    </democommon:DemoControl.Resources>

    <democommon:DemoControl.Options>
        <StackPanel Orientation="Vertical">
            <Label
                x:Name="label1"
                Content="Validation Mode"
                FontSize="12"
                FontWeight="Bold" />
            <ComboBox
                x:Name="ValidationCombo"
                Margin="5"
                ItemsSource="{democommon:EnumValuesExtension Type=syncfusion:GridValidationMode}"
                SelectedIndex="1">
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock VerticalAlignment="Center" Text="{Binding Converter={StaticResource enumDisplayNameConverter}}" />
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
            <Label
                x:Name="label2"
                Content="Validation Options"
                FontSize="12"
                FontWeight="Bold" />

            <TextBlock
                x:Name="textBlock1"
                Margin="5"
                FontSize="12"
                FontWeight="Bold"
                Text="Attribute Validations" />
            <TextBlock
                x:Name="textBlock2"
                Margin="5"
                FontSize="11"
                Text="ContactNo field has been validated with the String Length Attribute, and it should not exceed the string length of 14."
                TextWrapping="Wrap" />
            <TextBlock
                x:Name="textBlock3"
                Margin="5"
                FontSize="11"
                Text="Salary field has a Range attribute, and it can range from 10000 through 30000."
                TextWrapping="Wrap" />
            <TextBlock
                x:Name="textBlock4"
                Margin="5"
                FontSize="12"
                FontWeight="Bold"
                Text="IDataErrorInfo Validations" />
            <TextBlock
                x:Name="textBlock5"
                Margin="5"
                FontSize="11"
                Text="Email field has been validated for its format with the Regex format of Email."
                TextWrapping="Wrap" />

        </StackPanel>
    </democommon:DemoControl.Options>
    <Grid>
        <syncfusion:SfTreeGrid
            Name="treeGrid"
            Margin="5"
            AllowEditing="True"
            AutoExpandMode="RootNodesExpanded"
            AutoGenerateColumns="False"
            ChildPropertyName="Children"
            ColumnSizer="Star"
            ExpanderColumn="FirstName"
            GridValidationMode="{Binding SelectedValue, ElementName=ValidationCombo}"
            ItemsSource="{Binding PersonDetails}"
            NavigationMode="Cell"
            ShowRowHeader="True">
            <syncfusion:SfTreeGrid.Columns>
                <syncfusion:TreeGridTextColumn HeaderText="First Name" MappingName="FirstName" />
                <syncfusion:TreeGridTextColumn HeaderText="Last Name" MappingName="LastName" />
                <syncfusion:TreeGridNumericColumn
                    HeaderText="ID"
                    MappingName="ID" NumberDecimalDigits="0" />
                <syncfusion:TreeGridTextColumn
                    HeaderText="Contact No"
                    MappingName="ContactNo"
                    TextAlignment="Right" />
                <syncfusion:TreeGridCurrencyColumn MappingName="Salary" />
                <syncfusion:TreeGridDateTimeColumn MappingName="DOB" TextAlignment="Right" />
                <syncfusion:TreeGridTextColumn
                    Width="200"
                    HeaderText="E-Mail ID"
                    MappingName="EMail"
                    TextAlignment="Left" />
            </syncfusion:SfTreeGrid.Columns>

        </syncfusion:SfTreeGrid>
    </Grid>
</democommon:DemoControl>