can't close file with FileStream

[bAsiiiM]

FileStream obj = new FileStream(System.Convert.ToString(row.Cells["Lec_media"].Value), FileMode.Open, FileAccess.Read, FileShare.Read);
                

 
 if (Startdate2 == JCM_NOW2)
                {
                    if (checkBox1.Checked == true)
                    {

                        try
                        {


                            obj = null;
                            System.Diagnostics.Process.Start(System.Convert.ToString(row.Cells["Lec_media"].Value));
                           
                        }
                        finally
                        {
                            if (obj != null)
                            obj.Close();

                        }
                    }

                }


              
            if (Enddate2 == JCM_NOW2)
            {



                if (obj != null) ((IDisposable)obj).Dispose();

                obj.Close();

               // this code does not close the file which opened above .. why?
               

            }

[Frinavale]

Consider utilizing the Using Statement. See the link for more information and examples.

-Frinny