public void display()
    {
        using (SqlConnection ConObj = new SqlConnection(constr))
        {
            ConObj.Open();

            try
            {
                SqlCommand cmd = new SqlCommand("Display_StickyNotes", ConObj);
                cmd.CommandType = System.Data.CommandType.StoredProcedure;
                cmd.Parameters.AddWithValue("@uname", SqlDbType.VarChar).Value = uname.Trim();

                SqlDataReader reader = null;
                reader = cmd.ExecuteReader();

                NoteGrid.DataSource = reader;
                NoteGrid.DataBind();
            }
            catch (Exception exp)
            {
                note.Text += exp.Message;
            }
        }
    }