/// <summary>
/// Validate the whole form and trigger client UI update.
/// </summary>
/// <param name="editContext"></param>
/// <param name="messages"></param>
private async void ValidateModel(EditContext editContext, ValidationMessageStore messages)
{
// <EditForm> should now be able to run async validations:
// https://github.com/dotnet/aspnetcore/issues/11914
var validationResults = await TryValidateModel(editContext);
messages.Clear();
var graph = new ModelGraphCache(editContext.Model);
foreach (var error in validationResults.Errors)
{
var(propertyValue, propertyName) = graph.EvalObjectProperty(error.PropertyName);
// while it is impossible to have a validation error for a null child property, better be safe than sorry...
if (propertyValue != null)
{
var fieldID = new FieldIdentifier(propertyValue, propertyName);
messages.Add(fieldID, error.ErrorMessage);
}
}
editContext.NotifyValidationStateChanged();
}
/// <summary>
/// Validate the whole form and trigger client UI update.
/// </summary>
/// <param name="editContext"></param>
/// <param name="messages"></param>
private void ValidateModel(EditContext editContext, ValidationMessageStore messages)
{
// WARNING: DO NOT USE Async Void + ValidateAsync here
// Explanation: Blazor UI will get VERY BUGGY for some reason if you do that. (Field CSS lagged behind validation)
var validationResults = TryValidateModel(editContext);
messages.Clear();
var graph = new ModelGraphCache(editContext.Model);
foreach (var error in validationResults.Errors)
{
var(propertyValue, propertyName) = graph.EvalObjectProperty(error.PropertyName);
// while it is impossible to have a validation error for a null child property, better be safe than sorry...
if (propertyValue != null)
{
var fieldID = new FieldIdentifier(propertyValue, propertyName);
messages.Add(fieldID, error.ErrorMessage);
}
}
editContext.NotifyValidationStateChanged();
}