Asp.net generally processes the problem that the program receives the uploaded files. asp.net uploads files.

Asp.net generally processes the problem that the program receives the uploaded files. asp.net uploads files.

When Html + ashx is used to process file uploads, the problem that the file to be uploaded exceeds 4 MB occurs. The first HTML code is as follows:

<! DOCTYPE html> View Code
The general processing program UpLoadHandler. ashx code is as follows:
Using System; using System. collections. generic; using System. IO; using System. linq; using System. web; namespace Zhong. summary of Web {// <summary> /// UpLoadHandler // </summary> public class UpLoadHandler: IHttpHandler {public void ProcessRequest (HttpContext context) {context. response. contentType = "text/plain"; // obtain all uploaded files // if the size of the uploaded file exceeds 4 MB, an exception [exceeds the maximum request length.], In the Web. config: Configure HttpFileCollection. request. files; // if it is a private key. if the value of Count is 0, the request is directly sent to the ashx handler for (int I = 0; I View Code
When uploading a file larger than 4 MB, the exception is as follows:

 
You can modify the file upload size limit by configuring web. config.
<? Xml version = "1.0" encoding = "UTF-8"?> <! -- For more information about how to configure ASP. NET applications, visit the http://go.microsoft.com/fwlink? LinkId = 169433 --> <configuration> <system. web> <! -- The unit of maxRequestLength is kb. The maximum length cannot exceed 2097151 Kb, that is, 4 GB. The executionTimeout operation times out, the Unit is seconds --> 
A line is added here