Anonymous March 23, at AM. Anonymous April 1, at AM. Phani June 17, at AM. Unknown August 14, at AM. Unknown October 2, at AM. Saykor December 5, at AM. James Hunter May 29, at PM. Anonymous July 28, at PM. Newer Post Older Post Home. Subscribe to: Post Comments Atom. Linkedin RSS Twitter. If you want an overview of MEF, you can look here. In this post we will integrated MEF WebApi: File upload and download using JQuery and submit button.
The service will only contain 2 meth In one project i wanted to pass a complex type to the Post method of an Web Api controller. The Post itself will be done using JQuery in the Paged Grid with Knockout. I want to see how easily you can create a custom grid that uses an WebApi as datasource and that allows the user to page the data and also a Nuget package: integrated MEF in Asp.
Today i wanted to create my first Nuget package and i already knew what i would publish to the world. I wanted to make the code that is used Here is the structure. I created a re In this post i used a custom ControllerFactory for dependency injection. Note that we should validate the request and user permissions before finding or generating the requested file. And you can choose to stream the file too. In the File method line 7 , the second parameter contentType is used in the HTTP header to indicate the format of contents transmitted over the internet.
You can set the value for contentType according to your file type. In the File method, the third parameter fileDownloadName determines the value for the filename attribute in the content-disposition HTTP response header.
Browsers treat this value as the top priority to dictate the filename when downloading the file. In the responses section, the Swagger UI provides a link for downloading the returned file. Sometimes, the file type should be determined at runtime. Then in this case, we should set the contentType based on the file extension. NET Core natively supports this kind of translation. An example implementation is as follows.
StaticFiles refer to the using statement in line 1. NET Core Web projects, and it provides mappings between many commonly seen file extensions and content types. If the file extension is not in the mappings table, then you can add desired mappings in the following way. If this utility is being used in many places, then you can extract it into a service class that focuses on content-type mapping.
Web users have become used to clicking a hyperlink to download a file. There are many ways to implement the hyperlink. This of course still leaves a client to decide what to do with the file. I say almost, having never seen this fail. But my client testing was …. The JavaScript fetch and blob methods combined make this possible:. First, the URL is being fetched and kept in an object. Setting the download attribute means that this will force a download in all clients that support that attribute.
This technique cares not for content-disposition and content-type headers, although you should at least have a content-type header set. Skip to content Open Menu Home About the author. Content-disposition This will indicate that the file is either to be displayed in a client, or downloaded. Methods of downloading Below are some possible methods of file downloading and how they work.
Anchor link — known content type This is the most common type of file link. Share this: Twitter Facebook.
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