Bad request invalid hostname asp net visual studio 2015

ASP.NET is a popular programming language used for developing web applications. It provides a powerful for building dynamic and interactive . In this article, we will explore how to solve the question of ASP.NET programming language with examples.

Introduction to ASP.NET

ASP.NET is a web development framework developed by Microsoft. It allows to build web applications using various programming languages such as C#, Visual Basic, and F#. ASP.NET provides a rich set of tools and that simplify the development process and enhance productivity.

Setting up ASP.NET

To start programming in ASP.NET, you need to have Visual Studio installed on your machine. Visual Studio is an integrated development environment (IDE) that provides a comprehensive set of tools for building web applications. Once you have Visual Studio installed, you can create a new ASP.NET project by following these steps:

1. Open Visual Studio and click on “Create a new project.”
2. Select “ASP.NET Web Application” from the list of project templates.
3. Choose a name and location for your project and click “Create.”
4. Select the desired ASP.NET version and template for your project.
5. Click “OK” to create the project.

ASP.NET Code Example

Let's consider an example where we want to handle a bad request with an invalid hostname in ASP.NET using Visual Studio 2015. We can achieve this by custom error handling in our application.

First, let's define the error handling logic in our web.config file:


In the above code, we have enabled custom error handling by setting the “mode” attribute to “On.” We have also specified the default page for any unhandled errors using the “defaultRedirect” attribute. Additionally, we have defined a error handling for the “400” status code, which corresponds to a bad request.

Next, let's create the “BadRequest.aspx” page to handle the bad request error:

    Bad Request


Bad Request

An invalid hostname was provided.

In the above code, we have created a simple HTML page that displays an error message for the bad request. You can customize this page according to your requirements.


In this article, we have explored how to solve the question of ASP.NET programming language with examples. We have discussed the basics of ASP.NET and how to set up a new project in Visual Studio. Additionally, we have provided a code example to handle a bad request with an invalid hostname in ASP.NET using custom error handling.

ASP.NET offers a wide of features and capabilities for building robust web applications. By leveraging its powerful framework and tools, developers can create dynamic and interactive websites with ease. Whether you are a beginner or an experienced developer, ASP.NET provides a flexible and for your web development needs.

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