c# FileStream

Hello

When I click word file which created FileStream it doesnt open.Unable.Please watch if I have mistake?

public void button2_Click(object sender, EventArgs e)

{

SqlConnection conn = new SqlConnection("Data Source=USERPC;Initial Catalog=Service;Integrated Security=True;");

SqlCommand com = new SqlCommand("Select DocName,DocData From Data Where DocID = 1 ",conn);

conn.Open();

SqlDataReader dr = com.ExecuteReader();

while(dr.Read())

{

string fileName = "";

fileName = dr["DocName"].ToString();

byte[] docbinary = (byte[])dr["DocData"];

MessageBox.Show(Convert.ToString(docbinary.Length));

FileStream fs = new FileStream(@"C:\" + fileName, FileMode.Create);

fs.Write(docbinary, 0, docbinary.Length);

fs.Close();

fs.Dispose();

}

conn.Close();

}

Thanks.