Notes for compiling File Upload programs on the Web

Using. Net to write web programs, whether it is a Web service or a Web form, it is inevitable to encounter problems such as file upload. In this case, pay attention to the following two details.

 

First, add the web program configuration options, open the "Web. config" file of the project, and<Httpruntime maxrequestlength = "**"/>"Add this item to"</System. Web>". Note: The unit of maxrequestlength is KB. You can modify it as needed. For example,

 

The second point is the service end settings. Because the web service and web form programs are started by ASPNET users on the server side, if you want to save the uploaded files to a directory, make sure that the ASPNET user has writable permission on this directory. Select the attributes of this directory in Explorer and select security to set.