Download file of any type in asp net mvc using fileresult

Introduction

ASP.NET is a popular programming language used for building web applications. One common requirement in web development is the ability to download . In this article, we will explore how to download files of any type in ASP.NET MVC using the FileResult class.

Step 1: Create a Controller

To , let's create a new controller in our ASP.NET MVC . Right-click on the folder and select “Add” > “Controller”. Name the controller “DownloadController”.

public class DownloadController : Controller
{
    public ActionResult DownloadFile()
    {
        // Code to download file
    }
}

Step 2: the DownloadFile Action

the DownloadFile action , we will write the code to download the file. First, we need to specify the file path and name. For example, let's assume we have a file named “example.pdf” located in the “Downloads” folder of our project.

public ActionResult DownloadFile()
{
    string filePath = Server.MapPath("~/Downloads/example.pdf");
}

Step 3: Create a FileResult

Next, we will create a FileResult object and pass the file path and content type as parameters. The content type specifies the MIME type of the file. For example, for a PDF file, the content type would be “application/pdf”.

public ActionResult DownloadFile()
{
    string filePath = Server.MapPath("~/Downloads/example.pdf");
    
    return File(filePath, "application/pdf");
}

Step 4: Provide a Download Filename

By default, the downloaded file will have the same name as the file on the server. However, we can provide a different filename for the downloaded file by specifying it as the third parameter of the File method.

public ActionResult DownloadFile()
{
    string filePath = Server.MapPath("~/Downloads/example.pdf");
    
    return File(filePath, "application/pdf", "mydownload.pdf");
}

Step 5: Test the Download

Now that we have implemented the DownloadFile action, we can test it by navigating to the URL of the action. For example, if our application is running on localhost, we can access the download by visiting “http://localhost/Download/DownloadFile”.

public ActionResult DownloadFile()
{
    string filePath = Server.MapPath("~/Downloads/example.pdf");
    
    return File(filePath, "application/pdf", "mydownload.pdf");
}

Conclusion

In this article, we have learned how to download files of any type in ASP.NET MVC using the FileResult class. By the steps outlined above, you can easily implement file downloads in your web application. Remember to specify the correct file path, content type, and download filename to ensure a smooth and download for your users.

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