Why are .docx files being corrupted when downloading from an ASP.NET page?

Question

I have this following code for bringing page attachments to the user:

private void GetFile(string package, string filename)
{
    var stream = new MemoryStre         


        

Answer 1

I had the same problem while i try to open .docx and .xlsx documents. I solve the problem by defining the cacheability to ServerAndPrivate instead of NoCache

there is my method to call document:

public void ProcessRequest(HttpContext context)

 {


       var fi = new FileInfo(context.Request.Path);
        var mediaId = ResolveMediaIdFromName(fi.Name);
        if (mediaId == null) return;

        int mediaContentId;
        if (!int.TryParse(mediaId, out mediaContentId)) return;

        var media = _repository.GetPublicationMediaById(mediaContentId);
        if (media == null) return;

        var fileNameFull = string.Format("{0}{1}", media.Name, media.Extension);
        context.Response.Clear();
        context.Response.AddHeader("content-disposition", string.Format("attachment;filename={0}", fileNameFull));            
        context.Response.Charset = "";
        context.Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
        context.Response.ContentType = media.ContentType;
        context.Response.BinaryWrite(media.Content);
        context.Response.Flush();          
        context.Response.End();          
    }