C# create downloadable file

Flush ;. End ;. ConnectionStrings "constr". Using con As New SqlConnection constr. Using dt As New DataTable. Fill dt. Write csv. End Using. End Sub. View Demo. CreateText method creates and opens a file for writing UTF-8 encoded text.

If file already exists, this method opens the file. The following code snippet creates a file using the CreateText method that returns a StreamWriter object.

The WriteLine method of SteamLine can be used to add line text to the object and writes to the file. The following code snippet creates a file using the Create method that returns a FileSteam object. The Write method of FileStream can be used to write text to the file. The FileInfo. Here is a recommended article: Use FileInfo class in C to work with files.

TrailingHeaders, responseMessage. FullMessage , ex2. FullMessage , WebExceptionStatus. ResponseHeadersRead, cancellationToken ; if! ReadAsync buffer, cancellationToken!

WriteAsync buffer. SendAsync httpRequestMessage, cancellationToken ; if! Replace ", see inner exception. Lambda notation and String interpolation has been used: using System. ToBase64String Encoding. WriteLine "Download finished! Kreshnik Kreshnik 2, 5 5 gold badges 29 29 silver badges 38 38 bronze badges. Some comments about the purpose of your code statements would be helpful, for those who are unfamiliar with asynchronous operations and cross-thread calls.

Add "keep-alive" ; client. This response could be from HttpAgilityPack, or WebClient, or Puppeteer lots of options Manually entries from config values or hard coded values.

Cryptc Cryptc 1, 1 1 gold badge 11 11 silver badges 14 14 bronze badges. GetAwaiter ; Console. WriteLine "File was downloaded" ; Console. M22 M22 3 3 silver badges 8 8 bronze badges. GetWebRequest address ; if request! GZip DecompressionMethods. The Overflow Blog. Who owns this outage? Building intelligent escalation chains for modern SRE. Podcast Who is building clouds for the independent developer? Featured on Meta.

Now live: A fully responsive profile. Reducing the weight of our footer. ViewResult will force you to return a View or PartialView, so, return a File will get an exception about implicitly converttion type. Why do RedirectToAction? Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more.

Asked 8 years, 9 months ago. Active 8 years, 9 months ago. Viewed 3k times. I have an old MVC 1. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums.