How to create multiselect dropdown with checkboxes in asp net mvc

Introduction

Creating a multiselect dropdown with checkboxes in ASP.NET MVC can be a useful feature for allowing to select multiple from a list. In this article, we will explore how to this functionality using ASP.NET MVC.

Step 1: Setting up the ASP.NET MVC Project

we begin, let's set up a new ASP.NET MVC project. Open Visual Studio and create a new ASP.NET MVC project. Choose the appropriate project template and configure the project settings as per your requirements.

Step 2: Adding the Required

To create a multiselect dropdown with checkboxes, we need to add the necessary dependencies to our project. Open the NuGet Package Manager Console and run the command to install the required packages:

Install-Package MultiSelectList.Mvc

Step 3: Creating the Model

Next, let's create a model that represents the data for our multiselect dropdown. For example, suppose we have a model class called “Product” with a property called “Categories” that represents the available categories for a product:

Step 4: Creating the Controller

Now, let's create a controller that will handle the logic for our multiselect dropdown. In the controller, we will populate the list of categories and pass it to the view:

Step 5: Creating the View

Finally, let's create the view that will render the multiselect dropdown with checkboxes. In the view, we will use the MultiSelectList.Mvc package to the HTML for the multiselect dropdown:

@model Product

@using MultiSelectList.Mvc

@Html.MultiSelectListFor(model => model.Categories, Model.Categories, new { @class = "multiselect" })

Step 6: Handling the Selected Values

To handle the selected values from the multiselect dropdown, we can modify the controller action to accept the selected values as a parameter:

Conclusion

In this article, we have learned how to create a multiselect dropdown with checkboxes in ASP.NET MVC. By following the outlined above, you can easily implement this functionality in your ASP.NET MVC projects. Remember to install the necessary dependencies, create the model, controller, and view, and handle the selected values in the controller action. Happy coding!

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