Upload excel file in asp net c#


ASP.NET is a popular language used for web applications. One requirement in web development is the ability to upload files, such as Excel files. In this article, we will explore how to upload an Excel file in ASP.NET using C#.

Step 1: Create an HTML form

The first step is to create an HTML form that allows users to select and upload an Excel file. We can use the element to achieve this. Here is an example of how the HTML form might look:

Step 2: Handle the file upload in the server-side code

Once the user selects and submits the Excel file, we need to handle the file upload in the server-side code. In ASP.NET, we can use the HttpPostedFileBase class to access the uploaded file. Here is an example of how the server-side code might look:

In the above code, we first check if the uploaded file is not null and has a length than 0. If the condition is true, we can proceed with processing the file. In this example, we save the file to a specific location using the SaveAs method. We can also read the contents of the Excel file using a method like ReadExcelFile.

Step 3: success or error message

After processing the uploaded file, we can redirect the user to a success or error page. In the example code above, we use the RedirectToAction method to redirect to the action method. You can customize these action methods to display a success or error message to the user.


Uploading an Excel file in ASP.NET using C# is a common requirement in web development. By following the steps outlined in this article, you can easily implement file upload in your ASP.NET web . Remember to handle any potential errors and provide appropriate feedback to the user.

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