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How To Validate All The Editors Of Xamarin.Forms Dataform (Sfdataform)

Sample date Updated on Sep 14, 2025
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binding command dataform editors mvvm sfdataform validate viewmodel xamarin xamarin-forms

You can validate all the editors of Xamarin.Forms SfDataForm by using Validate method.

You can also refer the following article.

https://www.syncfusion.com/kb/11918/how-to-validate-all-the-editors-of-xamarin-forms-dataform-sfdataform

C#

You can validate all the properties using Validate.html) inside the OnValidate command handler.

public DataFormViewModel()
{
    loginInfo = new DataFormModel();
    this.ValidateCommand = new Command<object>(this.OnValidate);
}
public Command<object> ValidateCommand { get; set; }
private void OnValidate(object dataForm)
{
    var dataFormLayout = dataForm as Syncfusion.XForms.DataForm.SfDataForm;
    dataFormLayout.Validate();
}

XMAL

ValidateCommand bind to Button form ViewModel

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="0.9*"/>
        <RowDefinition Height="0.1*"/>
    </Grid.RowDefinitions>
    <dataForm:SfDataForm x:Name="dataForm" DataObject="{Binding LoginInfo}" Grid.Row="0" ValidationMode="LostFocus" CommitMode="LostFocus"/>
    <Button x:Name="validateButton" Grid.Row="1"  Text="Submit" 
        Command="{Binding Path=BindingContext.ValidateCommand, 
        Source={x:Reference Name=dataForm}}"                                                   
        CommandParameter="{Binding Source={x:Reference Name=dataForm}}"/>
</Grid>

Output

ValidateAllDataForm

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