Download excel file content type in c#

This is undoubtely a major issue that might leads some to prefer the following method instead. There are many of them available throughout the web: I used to have mine too, until I found this great GitHub project that covers a gigantic amount of them: it also includes an efficient and deterministic two-way mapping, so you can also use it the other way around retrieve the extension from a given MIME type. A big thanks to Samuel Neff for the great work!

NET 4. Web namespace — System. GetMimeMapping — which finally exposes the System. Reflections namespace: the credits for such technique go to this awesome post from David Haney , which happens to be the Engineering Manager of the StackOverflow web portal. November 18, November 18, November 14, November 14, October 12, October 12, Since it's also a lead designer for many App and games for Android, iOS and Windows Phone mobile devices for a number of italian companies.

Your email address will not be published. Aggiungi e-mail alla newsletter. Notify me of follow-up comments by email. Lines 23 and 24 receive the HTTP response for later use. In order to download a file, we make an HTTP Get request, then read the response content into a memory stream which can be copied to a physical file. If you are interested, you might want to read my other articles: File Upload via Swagger , Upload Files with Angular and.

Again, the full solution for this article is in my GitHub repository. I hope you have learned something new. Thanks for reading. Senior Application Developer. I write blogs about. Bursts of code to power through your day. Web Development articles, tutorials, and news. Franky Franky 11 1 1 bronze badge. Yahia Yahia So the file extension. Codo thanks - IIRC that format you refer to was introduced with Excel - edited the answer accordingly I also tried.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Who is building clouds for the independent developer? Exploding turkeys and how not to thaw your frozen bird: Top turkey questions Tables[0]; GridView1. DataBind ; con. ConnectionStrings[ "excelconn" ].

AddWithValue "id" , GridView1. ExecuteReader ; if dr. Clear ; Response. ToString ; Response. SetCacheability HttpCacheability. NoCache ; Response. BinaryWrite byte [] dr[ "data" ] ; Response. After downloading the zip file, extract the files and open it into the Visual Studio and make whatever changes in the connection string to your web. Now run the application and select the file other than Excel which shows the following error as shown in the following, Now select the Excel file, which shows the following message after Suceessfully Uploaded, Now click on view files details.