httphandler - w3toppers.com

Retrieve image from database in asp.net

Create a generic http handler as follows using System; using System.Configuration; using System.Web; using System.IO; using System.Data; using System.Data.SqlClient; public class ShowImage : IHttpHandler { public void ProcessRequest(HttpContext context) { Int32 empno; if (context.Request.QueryString[“id”] != null) empno = Convert.ToInt32(context.Request.QueryString[“id”]); else throw new ArgumentException(“No parameter specified”); context.Response.ContentType = “image/jpeg”; Stream strm = ShowEmpImage(empno); byte[] buffer = … Read more

Upload large files in .NET

1) Is it possible to resume a file upload on the client without using flash/java/Silverlight? No. The actual HTTP protocol itself does not support resume of partial uploads, so even if you did use flash or silverlight, you’d still need to use something else like FTP on the server. I’ve “solved” this problem in the … Read more

IIS7, web.config to allow only static file handler in directory /uploads of website

Add the following to a web.config file in the folder containing the files you wish to be served only as static content: <configuration> <system.webServer> <handlers> <clear /> <add name=”StaticFile” path=”*” verb=”*” modules=”StaticFileModule,DefaultDocumentModule,DirectoryListingModule” resourceType=”Either” requireAccess=”Read” /> </handlers> <staticContent> <mimeMap fileExtension=”.*” mimeType=”application/octet-stream” /> </staticContent> </system.webServer> </configuration>