All Questions

I am building a website with MVC and I have a view with a form. I want validation to appear when users leave a field blank, however I can not get this to work. I have tried adding the Data annotation ...

If a user submits an empty value, I would like the following validation error to be displayed: "The Comment field is required." However, the actual validation error produced is: "The ...

I tried to put a ValidationMessageFor in my view to control data but it's not working and data goes to my post action. Here is my model class: public enum CustomerType { JuridicalPerson, ...

I have the following code. I have added necessary script files for validating the fields too but the validation does not seem to work. The Required fields can be skipped even if the user has not given ...

I am trying to create a required custom validation for List Data Annotation but when one of the input field is empty, the rest of the input that is bind to the data annotation also shows the error ...

I have a C# ViewModel, specifying data annotations for automatic validation. I render the View in Razor code. I need to check in javascript, client side, if the ALL validations went through, or not. ...

I'm using MVC 5 with EF6 and Database first.. I have two tables, table A and B, both of them with non nullable fields. I did the same procedure for both of them, create the controller and the view, ...

I'm generating some controls with the help of a for-each loop. I would like to validate the textbox depend on the answer of the dropdown. For some questions, validator should be enabled if the ...

I'm totally confused about this ridiculous problem but I have to solve. I have a field and I set required and range validation on it: [Required(ErrorMessage = ValidationMessage.InputDataStart + Field....

We have a form that you can put in manually. This form ties into a customer. I was tasked to write a validator that checks to see if a unique identifier is changed, that is checks the database, ...

New to MVC. When I try to add a user to the database using Entity Framework Database First I get this exception: An exception of type 'System.Data.Entity.Validation.DbEntityValidationException' ...

The situation is, combination of Student Reg. No. and Select Course is always unique. Upon selection of a combination which was saved before in database, the expected results are, First Expected ...

Newbie here. But have done some reading and searching before posting. Been scratching my head around this for last few days. Note that I am attempting validation using MVC (not Javascript) I have ...

I have a Bootstrap modal that makes an insert. I am using Ajax BeginForm and I have problem with the validation. Normal validation like: required fields works great. My problem is that I have a server ...

I have an MVC razor view with the validation rules for the properties defined in my model. Since i want to return a partialView to my page i did a "custom" submit function to be called : function ...