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ASP.NET Core - Transform server-side validations to client-side without writing any javascript code. (Compatible with Fluent Validation)

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Form Helper

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Form & Validation Helper for ASP.NET Core

Form Helper helps you to create ajax forms and validations without writing any javascript code. It transforms server-side validations to client-side. You can also use the form validator without ajax.

Compatible with Fluent Validation (You can add client-side validation support to Fluent Validation.)

NuGet Nuget Gitter

FormHelper - Form and Validation Helper for ASP.NET Core | Product Hunt



FormHelper can be installed using the Nuget Package Manager or the dotnet CLI.

Package Manager:

Install-Package FormHelper

dotnet CLI:

dotnet add package FormHelper

This library works with jQuery

CDN: ```html <!-- form helper - You don't need to add these files to your project, just add it. it's embeded! --> <!-- if you dont't want to use these embeded files, you can download the files from dist folder --> <!-- You can use formhelper.js/css instead of formhelper.min.js/css to debug. --> <!-- The bundle file includes jQuery validation and jQuery validation unobtrusive -->





With configuration: (optional)
services.AddFormHelper(new FormHelperConfiguration
    CheckTheFormFieldsMessage = "Your custom message...",
    RedirectDelay = 6000


@using FormHelper
@addTagHelper *, FormHelper

View: (TagHelper) ```csharp


// You can use

or to activate formhelper. // Optional parameters: // asp-callback="...", asp-beforeSubmit="...", asp-dataType="FormData/Json", asp-enableButtonAfterSuccess="false", asp-resetFormAfterSuccess="true" asp-toastrPosition="ToastrPosition.BottomRight" ```

Controller: ```csharp [FormValidator] public IActionResult Save(FormViewModel viewModel)

// If you use Json data type, you need to add [FromBody] attribute. // public IActionResult Save([FromBody]FormViewModel viewModel) ```

Return a result from Controller:

Error Message:

return FormResult.CreateErrorResult("An error occured.");
Success Message:
return FormResult.CreateSuccessResult("Product saved.");
Success Message with Redirect:
return FormResult.CreateSuccessResult("Product saved. Please wait...", Url.Action("Home", "Index"));
Success Message with Redirect and Delay Time:
return FormResult.CreateSuccessResult("Product saved. Please wait...", Url.Action("Home", "Index"), 10000); // 10 seconds

Fill the form fields from a json object:


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