Saves the contents of an uploaded file.
Assembly: System.Web (in System.Web.dll)
The maximum size allowed for a request, which includes uploaded files, is 4 MB, by default. Maximum request size can be specified in the Machine.config or Web.config file in the maxRequestLength attribute of the httpRuntime Element (ASP.NET Settings Schema) element. The maximum request size for a specific page can be specified using the location Element (ASP.NET Settings Schema) element in a Web.config file.
The following code example demonstrates how to save all the files that are uploaded by the client to the C:\TempFiles folder on the Web server's local disk.