How to download file mvc

So, the purpose of posting this tip is to help the naive programmer like me to get the solution in the easiest way. It simply picks the file from one folder in application hierarchy, converts it into bytes and return the result as file to View.

Simply replace the FolderName with the folder in which file is present in project hierarchy, and replace filename. Simply call this in view using the line below:. Many code snippets are available on Google, but I found this one pretty interesting and straight forward for any programmer who is a kind of newbie like myself. Do give me your feedback, either suggestions, corrections or praises. Sign in Email. Forgot your password?

Search within: Articles Quick Answers Messages. Tagged as C. Stats VICK Rate me:. Please Sign up or sign in to vote. Introduction File downloading is a kind of common functionality which we want in our web application.

Copy Code. Contact Me! User Sep How do you know so much about swallows? Well, you have to know these things when you're a king, you know. VICK Sep Tridip Bhattacharjee Sep GetExtension files. Combine Server. Content Path. Please Try Again!!! Fill dtData ; con. ExecuteNonQuery ; con.

For that right click on Index ActionResult. Go to Add View. Then Select the empty template. Click add. Now, let's modify the Index. Add the below code to Index.

FileList, canPage: true , rowsPerPage: 15 ; grid. GetHtml tableStyle: "table table-striped table-bordered table-hover" , headerStyle: "webgrid-header" , alternatingRowStyle: "webgrid-alternating-row" , selectedRowStyle: "webgrid-selected-row" , footerStyle: "webgrid-footer" , rowStyle: "webgrid-row-style" , mode: WebGridPagerModes. Columns grid. Switch to FilesController and add the below code. Read data, 0, data. Length ; if br! Length throw new System. It looks like the below image.

Now, choose a file and click on Upload. Following are the code snippets of controller action where you can extract file from the Request.

Once you read the POSTed file from the request its really easy to save it to the server. Upload action Upload action with Parameter Instead of manually reading the file from the Request, by taking the advantage of model binding the file can be made directly available as a parameter in the action as shown in the below listing. Point to remember: The important thing to note down is the file parameter name should be same as the name of the file input control in the above case it is photo.

What is HttpPostedFileBase? NET pipeline. When you perform unit testing, you typically use a derived class to implement members that have customized behavior that fulfills the scenario you are testing. File binding to the Model? The model binding feature relies on two types of components binders and value providers. The value providers are the components that gets the value needed from the particular source query-strings, form etc. The binders are the components that really fills the properties of a model or the parameters in the action with those values Uploading multiple files Uploading multiple files is as simple as uploading a single file, all we need is to set the HttpPostedFileBase type as a parameter in the corresponding action method.

How a browser knows what file type is returned from the server?