.ashx are the resource files.
.ashx file means generic handler files.it use full for retriving images,documents.
Some ASP.NET files are dynamic. They are generated with C# code or disk resources. These files do not require web forms. Instead, an ASHX generic handler is ideal. It can return an image from a query string, write XML, or any other data.
Handler Files in ASP.NET
.ashx files are web-handler files in asp.net programming and define IHttpHandler interface. Whenever an .ashx file is requested, ProcessRequest() method is invoked automatically. ProcessRequest() is a method where we do make changes according to our requirement.Handlers are used in URL routing, Image handling, binary data handling etc. as it support backward compatibility.
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