void dataForm_ValidateProperty(System.Object sender, DataFormPropertyValidationEventArgs e)
{
if (e.PropertyName == "Password")
{
if (e.NewValue.ToString().Length < 6)
{
e.HasError = true;
e.ErrorText = "The password should contain more than 5 characters.";
}
}
}
void DataFormOnValidateProperty(object sender, DataFormPropertyValidationEventArgs e)
{
if (e.PropertyName == nameof(DeliveryInfo.DeliveryTimeFrom))
{
((DeliveryInfo)dataForm.DataObject).DeliveryTimeFrom = (DateTime)e.NewValue;
Device.BeginInvokeOnMainThread(() => {
dataForm.Validate(nameof(DeliveryInfo.DeliveryTimeTo));
});
}
if (e.PropertyName == nameof(DeliveryInfo.DeliveryTimeTo))
{
DateTime timeFrom = ((DeliveryInfo)dataForm.DataObject).DeliveryTimeFrom;
if (timeFrom > (DateTime)e.NewValue)
{
e.HasError = true;
e.ErrorText = "The end time cannot be less than the start time";
return;
}
}
}