The FileUpload control provides a browse button and a text box for entering the filename, allowing the user to look for and pick the file to be uploaded.
The Microsoft ASP.NET framework is an open-source development platform used by web developers to construct dynamic web pages, frequently utilising the.NET and C# programming languages. Active Server Pages (ASPX) is a file format used by web servers and generated using the Microsoft ASP.NET framework.
In ASP.Net, file upload is a two-step process. The first step is to create a form that will allow users to upload files. The second step is to add an event handler for the UploadFile event in the form.