entity framework - Excel File download through web api. Getting corrupt -

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i trying download excel file through web api (using entity framework). download working getting error dialog file corrupt when trying open file.

web api code below:

  public httpresponsemessage getvalue(int id, string name)     {      memorystream stream;     try {         using (datacontext db = new datacontext()) {             dynamic fileobj = (from c in db.filelist c.id == idc).tolist();             stream = new memorystream(fileobj(0).file);             httpresponsemessage result = new httpresponsemessage(httpstatuscode.ok);             result.content = new streamcontent(stream);             result.content.headers.contenttype = new mediatypeheadervalue(fileobj(0).filecontenttype);             result.content.headers.contentdisposition = new contentdispositionheadervalue("attachment") { filename = name };             return result;         }     } catch (exception ex) {         return request.createresponse(httpstatuscode.internalservererror);     } }

it opens file 2 error dialog , following message.

excel completed file level validation , repair. parts of workbook may have been repaired or discarded

enter image description here

enter image description here


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