How to solve threadabortexception in response.end().

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C#5.0

Hii,

I have facing problem while download a text file.

Here is my code. I wrote this code in webservice & call this method inside a method.
But It shows thread aborted Error in Response.end().

public void ErrorLog()
   {
       try
       {
           System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
           response.Clear();
           response.ContentType = "application/octet-stream";
           response.AppendHeader("Content-Disposition", "attachment; filename=ErrorFile.txt");
           string path = System.Web.HttpContext.Current.Server.MapPath("~/ErrorFile.txt");
           response.TransmitFile(System.Web.HttpContext.Current.Server.MapPath("~/ErrorFile.txt"));
           response.Flush();
           response.End();
       }
       catch (ThreadAbortException ex)
       {
           Console.Write(ex.ToString());
       }
       catch (Exception ex)
       {
           Console.Write(ex.ToString());

       }
       finally
       {

           //HttpContext.Current.Response.End();
       }
   }

Thanks

Bigyan Sahoo

What I have tried:

Here I use try catch block to find error, but unable to solve them.