Скачать или смотреть Creating a Gender Dropdown List in ASP.NET MVC

Learn how to create a user-friendly gender dropdown list in ASP.NET MVC. This guide covers how to link displayed options to database values seamlessly.
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This video is based on the question https://stackoverflow.com/q/74419051/ asked by the user 'RAKAN EHSSAN' ( https://stackoverflow.com/u/20289342/ ) and on the answer https://stackoverflow.com/a/74419459/ provided by the user 'Mohammad Genius' ( https://stackoverflow.com/u/7660980/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Gender Dropdown List in ASP.NET MVC

If you're diving into ASP.NET MVC development, one common task you'll encounter is creating dropdown lists. In this post, we'll tackle a specific scenario: creating a gender dropdown list that displays "Male" and "Female" to the user while saving the corresponding numeric values (1 for Male, 2 for Female) in your SQL database.

Understanding the Problem

You want to provide users with a simple interface to select their gender. However, while your users will see "Male" and "Female" in the dropdown, these values need to be converted to integers that will be stored in your database. In this case:

1 for Male

2 for Female

Why Use Enums?

Initially, you might consider using an enum to represent gender options in the model. However, the interaction between your model and view is what you'll need to make clear. We'll walk through the steps to create an effective dropdown list for gender selection.

Step-by-Step Solution

1. Define Your Model

In your C- backend model, you need to define an integer property to hold the selected gender value. Here’s how you can do it:

[[See Video to Reveal this Text or Code Snippet]]

2. Create the Dropdown List in Your MVC View

Next, move to the view (typically a .cshtml file) where you'll create the dropdown. Instead of using an enum for this purpose, you can directly specify the options.

Here’s the code to create a simple select dropdown:

[[See Video to Reveal this Text or Code Snippet]]

3. Handling the Form Submission

Now that your dropdown is set up, you need to handle the form submission to save user selections. When the user selects a gender and submits the form, you'll need to capture that value and save it to your database.

You can achieve this by setting up your data context as shown below:

[[See Video to Reveal this Text or Code Snippet]]

4. Summary

With these steps, you've created a gender dropdown list in your ASP.NET MVC application that seamlessly connects the user interface with the underlying database logic. Here's a quick recap:

Define your model with an int property for gender.

Create a dropdown in the view with values corresponding to the database entries.

Handle the form submission to correctly save the selected value.

By following these steps, you'll ensure that your application is user-friendly and functional, making it easy for users to select their gender while maintaining the necessary data integrity in your database.

With this guide, you can now confidently create dropdown lists that enhance user experience and facilitate data handling in your ASP.NET MVC projects. Happy coding!