Upload a file in Window application

if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                FileInfo f = new FileInfo(openFileDialog1.FileName);
                string[] fName;
                fName = openFileDialog1.FileName.Split(new char[] {'\\'} );

                f.CopyTo("C:\\Bharathi\\" + fName[fName.Length-1]);

                FileStream fs = new FileStream("C:\\Bharathi\\" + fName[fName.Length - 1], FileMode.Open);
                StreamReader sr = new StreamReader(fs);

                MessageBox.Show(sr.ReadToEnd());

               
                //System.IO.File.ReadAllBytes(openFileDialog1.FileName);
            }