HOW TO STORE GRIDVIEW FILEUPLOAD CONTROLS IN TO DATABASE USING C#

protected void Button2_Click(object sender, EventArgs e)

    {

        if (FileUpload1.HasFile)

          {

            if (FileUpload1.PostedFile.ContentType == "image/jpeg")

                {

                    if (FileUpload1.PostedFile.ContentLength < 102400)

                    {

                        db.myconnection();

                        int length = FileUpload1.PostedFile.ContentLength;

                        byte[] imagebyt = new byte[length];

                        HttpPostedFile img = FileUpload1.PostedFile;

                        img.InputStream.Read(imagebyt,0,length );

                        SqlCommand cmd = new SqlCommand("insert into picsupload(image)values(@image)", db.sqlcon);

                        cmd.Parameters.Add("@image", SqlDbType.Image).Value=imagebyt;

                        cmd.ExecuteNonQuery();

                        Label1.Text = "inserted";

                    }

                    else

                    {

                        Label1.Text = "select file";

                    }

                }

                 

          }

    }