requiredif attribute c# net core

I got as far into your answer as "Given that your method NotificationMethodID is returning an int" before I realized my very rookie mistake, thank you. All gists Back to GitHub Sign in Sign up Sign in Sign up . Find centralized, trusted content and collaborate around the technologies you use most. C#. You can extend RequiredAttribute to check the property value and according to that manually check IsNullOrWhiteSpace of current property . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Add Required to a model depending on the value of another property? Please refer to this post:http://forums.asp.net/t/1924941.aspx?Conditional+Validation+using+DataAnnotation, Please see this: Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The code looks like this: In this senario we do not get an error when email is unfilled but selected as the notification type. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Cannot Delete Files As sudo: Permission Denied. I had the same problem yesterday, but I did it in a very clean way which works for both client side and server side validation. https://foolproof.codeplex.com/workitem/17245, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. @H.Johnson: ad 1) MvcUnobtrusiveValidatorProvider.dll should be added automatically to your references by NuGet. Cannot Delete Files As sudo: Permission Denied. c# class required property. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What do you call an episode that is not closely related to the main plot? ExpressiveAnnotations.Attributes, and not any other ones?). Follow. Can plants use Light from Aurora Borealis to Photosynthesize? Svetlana (DevExpress Support) created 5 years ago (modified 5 years ago) Hi, It is possible to accomplish this task by creating a custom RequiredAttribute. Model validation in ASP.NET Core MVC Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Not the answer you're looking for? The error raised this way even shows together with errors raised by the built in, RequiredIf Conditional Validation Attribute, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. We also used the [Required] attribute. Update: the issue was that in the RequiredIf attribute all values must be enclosed in commas, like: [RequiredIf(4, ",ACH,")] 503), Mobile app infrastructure being decommissioned. Were sorry. I decided to implement mechanism which provides conditional attributes to calculate validation results based on other properties values and relations between them, which are defined in logical expressions. Stack Overflow for Teams is moving to its own domain! For those of you who find it not working client side, I have added a newer version with javascript. Why bad motor mounts cause the car to shake and vibrate at idle but not when you give it gas and increase the rpms? ErrorMessage = Attribute. In terms of extensibility, it beats all the others. Is this homebrew Nystul's Magic Mask spell balanced? What is rate of emission of heat from a body in space? How to put conditional Required Attribute into class property to work with WEB API? How to achieve RequiredIf conditional operation in .NET Core for Model based validation. set; { get; Did the words "come" and "home" historically rhyme? Not the answer you're looking for? Asking for help, clarification, or responding to other answers. c# required attribute validation; c# optional required attribute; c# class required property; require specific attribute data annotation; Required c# what is; required vs [required()] c#; ValidationAttribute required validation; validationattribute c# context; model validation required attributes c#; asp.net class property is white visual studiui\ Is it enough to verify the hash to ensure file is virus free? If Blazor doesn't, then we do! AS per documentation you can use RequireIfAttribute. Hope this helps. DependentProperty); rule. You can extend RequiredAttribute to check the property value and according to that manually check IsNullOrWhiteSpace of current property . Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Finally take a look at. Connect and share knowledge within a single location that is structured and easy to search. - Validation attribute which indicates that annotated field is required when computed result of given logical expression is true. c# validationattribute ex. Why don't math grad schools in the U.S. use entrance exams? Comparing Java enum members: == or equals()? How do planetarium apps and software calculate positions? C#. ErrorMessage, ValidationType = validationType}; rule. In addition, override the IsValid method to return ValidationResult.Success if the CustomerType property value is User. @Adel Mourad I have to implement a similar kind of validation in ASP.NET MVC Core 3.1. Is it enough to verify the hash to ensure file is virus free? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. private readonly string _condition; public RequiredIfAttribute ( string condition) { _condition = condition; } The next step will be to create a method that accepts this expression in the form of text and parses it to a specific value. Finding a family of graphs that displays a certain characteristic. Did the words "come" and "home" historically rhyme? 124,326 Solution 1. for this? asp.net mvc make model property required based off other property value. RegularExpressionAttribute Class (System.ComponentModel.DataAnnotations) Specifies that a data field value in ASP.NET Dynamic Data must match the specified regular expression. Light bulb as limit, to what is current limited to? Is there an industry-specific reason that many characters in martial arts anime announce the name of their attacks? worked on MVC 5 on both server and client side :D. I didn't install "ExpressiveAnnotations" library at all. Is a potential juror protected for what they say during jury selection? Is this meat that I was told was brisket in Barcelona the same as U.S. brisket? Would a bicycle pump work underwater, with its air-input being above water? Actually your message encouraged me and I tried again. for loop c; c data types; data types in c; string to int c; fahrenheit to celsius formula; read files in c; hello word c; c concatenate strings; install gitk mac; write in file in c; how to print int in c; c how to get an integer from user input; boolean in c; random number c; print an array in c; latex font sizes; random in c; how to genrate a . Get property value from string using reflection, Custom Validation Attribute is not called ASP.NET MVC, Get value of a property that was passed in as a string, Populating EXT JS Store in a EXT form Panel, Retrieving the value of a condition within a custom conditional ValidationAttribute, How to configure swashbuckle correct for polymorphism. What does the [Flags] Enum Attribute mean in C#? the Validate.Success can send a successful validation, but it seems there is no Auto Failure (Validate.Failure). Find centralized, trusted content and collaborate around the technologies you use most. Why does sending via a UdpClient cause subsequent receiving to fail? I also found that I didn't need the JavaScript. You will see s has the value "NotificationMethods" not "Int32". public int? You can change the attribute to accept a string array with field and value pairs in the following: And create the RequiredIf attribute in the following way: Thanks for contributing an answer to Stack Overflow! RequiredIf. I voted up ;), @H.Johnson: No problem, I'm glad it helped ;], I had a problem with the client error messages coming back as "The field [object Object] is invalid." My profession is written "Unemployed" on my passport. rev2022.11.7.43014. Where to find hikes accessible in November and reachable by public transport from Denver? For this case you don't need to register adapter, And finally the javascript ( bundle it and renderitput it in its own script file), You need obviously the unobstrusive validate jQuery to be included as requirement. Asking for help, clarification, or responding to other answers. Does English have an equivalent to the Aramaic idiom "ashes on my head"? Stack Overflow for Teams is moving to its own domain! requiredif IsMonitized =="Yes" Range . For validations that has the form of: "Validate this field only when this other field has certain value", I have coded 3 attributes: RequiredIf, RangeIf and RegularExpressionIf that inherints from ValidationAttribute. Any help pls? I should have caught it on your comment. Condition: Based on the value of other property in the model, you want to make another property required. if you do. 503), Mobile app infrastructure being decommissioned. What's more the expressive.annotations.validate.js should be included in bundle below jquery validation files, and added on specified page (see sample proj). i need helpon RequiredIf conditional validation. GitHub Gist: instantly share code, notes, and snippets. } Find centralized, trusted content and collaborate around the technologies you use most. Return Variable Number Of Attributes From XML As Comma Separated Values, Typeset a chain of fiber bundles with a known largest total space. Why bad motor mounts cause the car to shake and vibrate at idle but not when you give it gas and increase the rpms? Answers. The Range attribute constrains a value to within a specified range. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Error, How to stop validation after first error in ASP.NET Core 2.1, Use Visual Studio 2017 with .Net Core SDK 3.0, ASP.NET Core 3.0 not showing on Visual Studio 2019, .NET Core 3 preview 4: 'AddNewtonsoftJson' is not defined, "The project 'Web' must provide a value for Configuration" error after migrating to .NET Core 3, How to apply Client Side validation using Fluent Validation for .Net core. If you try to use "ModelState.Remove" or "ModelState["Prop"].Errors.Clear()" the "ModelState.IsValid" stil returns false. Connect and share knowledge within a single location that is structured and easy to search. Like this: Expanding on the notes from Adel Mourad and Dan Hunex, I amended the code to provide an example that only accepts values that do not match the given value. public sealed class RequiredIfAttribute : ExpressiveAttribute { private static string _defaultErrorMessage = "The {0} field is required by the following logic: {1}"; /// <summary> /// Gets or sets the default error message. If you try to check the equality of an int with an enum directly, you get a compiler error: If you box the enum and int values first (which is what happens when they are passed to the constructor of RequiredIfAttribute) then there is no compiler error but Equals() returns false, since the types differ: To check equality of underlying integer values, you can explicitly cast NotificationMethods.Email to an integer before boxing: You might also consider using const int values instead of enums: Thanks for contributing an answer to Stack Overflow! We also created an enum to avoid using a lookup table id in the ViewModel. rev2022.11.7.43014. That is exactly wonderful & simple and most flexible I have searched for many web sites. Is opposition to COVID-19 vaccines correlated with other political beliefs? if Description textbox is having data then Url textbox should require and also if Url is having data then Description should require is it possible to create custom validation with [Requiredif] attribute in MVc3 Why should you not leave the inputs of unused gates floating with 74LS series logic? Share. Data Annotations make a value Required when another model value is not empty? Not the answer you're looking for? Any way to resolve this? Does subclassing int to forbid negative integers break Liskov Substitution Principle? Such data model properties (related to those fields) would have this attribute on them [RequiredIf ('IsCompany', true)] where IsCompany: bool is usually bound to a checkbox. I am having the same issue. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, RequiredIf conditional attribute in .net Core, https://github.com/uon-nuget/UoN.ExpressiveAnnotations.NetCore, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. Teleportation without loss of consciousness. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thanks for contributing an answer to Stack Overflow! @H.Johnson: This exception is unlikely to occur. data annotation c# required specif. How can I make a script echo something when it is paused? It should simplify many declarative validation cases without the necessity of writing additional case-specific attributes or using imperative way of validation inside controllers. Conditionally required property using data annotations, C# attribute to check whether one date is earlier than the other, Disable required validation by JavaScript, Conditional validation in MVC.NET Core (RequiredIf), Asp.Net MVC validation annotation regular expression attribute, Disable Required validation attribute under certain circumstances, MVC 3 Custom validation attribute checking against user preference stored in DB, ASP.NET MVC 3 and validation attribute for dropdownlist with default value of 0, Don't understand the mechanics of writing own validation attribute, Best approach for complex model/submodel validation (MVC), Unable to display ErrorMessageResourceName with custom validation attribute. So I modified the above code to do conditional client side validation with Javascript as well. Is it possible for a gas fired boiler to consume more energy when heating intermitently versus having heating at all times? Is there any alternative way to eliminate CO2 buildup than by breathing or even an alternative to cellular respiration that don't produce CO2? 2- warp the code inside a $(document).ready(function(){..}); 3- include our js file after including the JQuery validation libraries, So it look like this now : create this file in ~/content or in ~/scripts folder, create it some where in your project, For example in ~/models/customValidation/. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Conditional RequiredIf condition using OR condition, Validation of properties that require the values of other properties, https://www.codeproject.com/Questions/5161571/How-to-use-data-annotation-to-check-for-two-values, Stop requiring only one assertion per unit test: Multiple assertions are fine, Going from engineer to entrepreneur takes more than just good code (Ep. I do not know what the problem was, but by the last try I have managed to work it "on server and client side". 24.7k 9 60 136. ad 2) For client-side validation to work, despite ExpressiveAnnotations.dll, mentioned MvcUnobtrusiveValidatorProvider.dll also needs to be there. To learn more, see our tips on writing great answers. Is there any alternative way to eliminate CO2 buildup than by breathing or even an alternative to cellular respiration that don't produce CO2? In ASP.NET MVC, had used with ExpressiveAnnotation package but its not working for .NET Core. Unfortunately yes. DesiredValue is the particular value of the PropertyName (property) for which your other property has to be validated for required, At last but not the least, register adapter for your attribute so that it can do client side validation (I put it in global.asax, Application_Start), Some people have reported issues that the client side fires no matter what or it does not work.

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