FluentValidator | Fluent Validator is a fluent way | Validation library
kandi X-RAY | FluentValidator Summary
kandi X-RAY | FluentValidator Summary
Fluent Validator is a fluent way to use Notification Pattern with your entities.
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Trending Discussions on FluentValidator
QUESTION
I am binding to a select field in multiselect mode and I ran into a problem with the "For" property of the select field".
When using a select field an options type must be set and in this example it will be string. To make validation work the "For"-Property needs to be set and pointing to a valid property of the same type as the select fields option (and thats string). But I am expecting a multiselect, so I am binding to an IEnumerable in my model and the validation code is also set for this property. I don`t have the necessary property to bind to and even if I did, the validation would not work as expected.
How do I make this work? I tried building a custom expression which would point to the first element of the array, but I am bad with expressions and couldn`t make it work.
...ANSWER
Answered 2022-Mar-29 at 21:51Ok, so you can trick the component by introducing a dummy property and binding the multi-select component to it then testing its name during validation.
When the form component passes the dummy property name to the validation method, you change the passed dummy name to the name of your collection so it's matched when fluent validation kicks in.
Something like this:
QUESTION
Is there a way to validate for null more than one properties in a fluent manner?
For example, without using Fluentvalidator, this may be possible by implementing IValidatableObject.
...ANSWER
Answered 2022-Mar-15 at 17:36One possible solution:
QUESTION
is there a way to generate documentation based on FluentValidator that has been written for request?
I need information like: the field is NotEmpty(), MaximumLength(40)
, etc.
Please direct me
Thank you in advance!
EDIT: I mean to get validations that a certain filed have. So if validator looks like this:
...ANSWER
Answered 2021-Oct-26 at 11:22No such feature. FluentValidator
only generates error messages for the validations.
If relevant, the error message can be used in the response body of the request, along with a 400 Bad Request
status code.
QUESTION
I am using FluentValidator in a C# project. I would like to make a generic method that can validate data from 2 possible types:
...ANSWER
Answered 2021-Oct-19 at 11:07Actually, if you need to validate two different types of objects in one method, you dont have to mess with inheritance from a generic class.
There is an easy way to do this. Any Validate
method returns ValidationResult
, so you can use something like this:
QUESTION
I have a Editform warping a List, I want to validate each field for each model.
Iam using Fluentvalidator and Blazor.
The use case: So the logic is when I click on handlesubmit all the models in my List needs to be validated with fluentvalidator. What I don't understand is how I can make a editform that will validate all the models with one submit, the Editform Model only points to one specific model but not the ones in the List
Here is my Editform:
...ANSWER
Answered 2021-Aug-26 at 20:39Add a validator for your outer model that contains the list and then use RuleForEach to validate each inner model:
QUESTION
I am getting the error below when I try to edit a user. I have no problem creating or deleting users. As far as I understand, somehow uniqueMail method inside fluentvalidator class and Edit method inside UserController class doesn't go well together.
Exception thrown at the:
...ANSWER
Answered 2021-Aug-26 at 10:03On Validator you select from user and Track the same entity you would update, this cause the issue.
Instead of
QUESTION
I am using Ant design Blazor and trying to create a child component and apply validation as usual from the parent component. Below is my code.
Child component
...ANSWER
Answered 2021-Mar-16 at 03:30A colleague of mine was able to help with the answer. We had to look into the Ant Design Blazor source for the FormItem to figure out what is happening and get the answer. To get the validation messages, Ant is depending on the validation messages in the EditContext but retrieving them using the Any input control's FieldIdentifier.
The FieldIdentifier is created by Ant using the ValueExpression of the control and not the value. When we set the value, from the child control, the Value taken as the ValueExpression and in turn, when looking for validation messages, it searches for error messages against Value and not the actual model field.
Setting the ValueExpression to a binding expression when binding to the child property fixed the issue.
QUESTION
I have a model
...ANSWER
Answered 2021-Mar-10 at 22:08The problem was in both sides. In front(Angular 11 - Typescript) I need add all properties to formData. By this way
QUESTION
I am trying to add FluentValidator to my .net core 3.1 Worker Service. I created a class that will hold my CSV parsed files.
...ANSWER
Answered 2020-Nov-13 at 02:01The RuleFor
method is expecting a delegate. So your first attempt will work if you use the parameter of the delegate within the body (subject
instead of Subjects
):
QUESTION
I'm working with FluentValidator in .NET Core. Everything is working beautifully for the most part, but I notice that when working with complex types, FluentValidator shows the full property name. For example, let's say I have a class named Address with Street, City, State, and Zip properties. Now let's say I have a form backed by a model property named Physical Address. If I make the street required, Fluent shows the following validation error:
'Physical Address. Street' must not be empty.
I prefer this to it just saying "Street" must not be empty because I might have multiple address fields on the page, so just displaying "Street" isn't specific enough. But I'd rather have it say:
'Physical Address Street' must not be empty.
(with no period after the word address)
The example given by FluentValidation to globally override the display name is adding this in Startup.cs:
...ANSWER
Answered 2020-Oct-16 at 18:11Update:
Much easier approach is to use ValidatorOptions.Global.PropertyNameResolver
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