Add the following else if condition to this method: //1 else if result is ORKFileResult { let fileResult = result as! ORKFileResult //2 retDict[“contentType”] = fileResult. A slightly more sophisticated example is the FileResult class. This class supplies a public property, the ContentType property that contains the. For example, to return a pdf file from the server the Content-Type should FileResult: FilePathResult, FileContentResult and FileStreamResult.

Author: Mazutaur Bratilar
Country: Thailand
Language: English (Spanish)
Genre: Spiritual
Published (Last): 1 June 2018
Pages: 350
PDF File Size: 16.46 Mb
ePub File Size: 17.2 Mb
ISBN: 372-7-73874-946-8
Downloads: 28842
Price: Free* [*Free Regsitration Required]
Uploader: Sajar

Leave a Reply Cancel reply Your email address will not be published. Returning files through action results 7. The below listing shows the simplified version of the upload action after using view model.

Creating custom validation attribute is not a difficult job! AsyncUtil — C Helper class to run async methods as sync and vice-versa A useful helper class written in C Sharp to help developers working with async and sync methods in ASP. Step 5 Name the view and select “Empty without model ” as the template. Example, when you return a pdf file, some browsers knows how to display the pdf files inside it, same for images.

Web namespace — System. I used to have mine too, until I found this great GitHub project that covers a gigantic amount of them: The below code snippet shows how we can return a file just plain from an action without using action results.

In the below listing we can see how to read the POSTed file from the request and save to the server.

OpenSubKey ext ; if regKey! Filerexult, there is a major filereeult November 5, November 5, Instead of manually reading the file from the Requestby taking the advantage of model binding the file can be made directly available as a parameter in the action as shown in the below fioeresult.


The value providers are the components that gets the value needed from the particular source query-strings, form etc. For some content types the browser doesn’t open the save dialog and display the content directly inside its window. Instead of doing it manually it would be great if you could do that using data annotation attributes and for that we have to use view models. The reason is pretty much obvious: When we use the HttpPostedFileBase directly as action parameter then we have to validate the file manually as shown in the below listing.

Your email address will not be published. There are many of them available throughout the web: We can easily create new file action results by deriving from the the abstract class FileResult. Visual Studio New Features.

Controller helper methods to return files 9. I really appreciate them. TryGetValue extension, out mime?

So why another article? This is undoubtely a major issue that might leads some to prefer the following method instead. The ContentDispositionUtil tries first to get the header value using the ContentDisposition class which is located in the System. How to return a file as response? Step 4 Now we need to create a view.

Get a File Content-Type / MIME-type from file extension in ASP.NET C#

Step 9 Create a link to call the downloadfile method of the home controller. Uploading multiple files 5. Generic ; using System. The Content-Type header is the one that says the browser what kind of file is being returned from the server.

  HP PC 500 094L PDF

The POSTed file s are available as parameters directly in actions through model binding. How to Deploy a Ccontenttype.

File Result in Controller Sample in MVC: Day 15

TryGetValue extensionout mime? For example, let see how we can create a custom action result that return files from string, let’s call it FileStringResult. The model binding feature relies on two types of components binders and value providers. We don’t need to worry about adding any headers in the response the action results will take care.

Well, in this article I gathered the important concepts that are scattered in different posts, threads in a single place. Reading files from request 3. We can use our FileStringResult as shown in the below action. We saw how we can apply validations to the POSTed files easily using view models. Step 13 Run the project, click on “Return File” and the text file will be opened in the browser. Actually you don’t need to instantiate the FileResult types from action methods the Controller has bunch of built-in methods that helps to easily send a file in response.

This site uses Akismet to reduce spam.

Right-click on “Index” and select “Add View So create another action method and return the file. To understand how it generates the header see the source code.