not able to download file with exact format in asp

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C#

if (e.CommandName == "Download")
{
           int archivedFileId = Convert.ToInt32(e.CommandArgument);

           var wrapper = new ArchivedFilesWrapper();
           var archivedFile = wrapper.GetArchivedFile(archivedFileId);

           Response.Clear();
           Response.ContentType = archivedFile.MimeType;
           Response.AddHeader("content-disposition", string.Format("attachment; {0}", archivedFile.Name));
           Response.BinaryWrite(archivedFile.BinaryData.ToArray());
           Response.End();
}

above function downloding .aspx type file while downloading any type file(like .pdf,.exe,.exl).
plz help. I want to download file with exact file format

Posted 27-Jan-12 16:39pm

Anupam Singh

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shashikanth 2011 · Answer 1 · 2012-01-27T20:16:00

C#

public static string getContentType(string extension)
       {
           const string DEFAULT_CONTENT_TYPE = "application/unknown";
           RegistryKey regkey, fileextkey;
           string filecontenttype;
           string fileextension = extension;
           try
           {
               regkey = Registry.ClassesRoot;
               fileextkey = regkey.OpenSubKey(fileextension);
               filecontenttype = fileextkey.GetValue("Content Type", DEFAULT_CONTENT_TYPE).ToString();
               fileextkey = null;
               regkey = null;
           }
           catch
           {
               filecontenttype = DEFAULT_CONTENT_TYPE;
           }
           return filecontenttype;
       }

Pass Exact contenttype like "pdf,txt,xmlns"