protected void ButtonUpdateContactInfo_Click(object sender, EventArgs e)
        {
            RequestUpdateContactInfo request = new RequestUpdateContactInfo();

            request.Username     = Session["Username"].ToString();
            request.HomeNum      = txtHomeNum.Text;
            request.CellphoneNum = txtCellphoneNum.Text;
            request.HomeAddress  = txtHomeAddress.Text;
            request.Email        = txtEmail.Text;

            try
            {
                DAT.UpdateContactInfo(request);
                Response.Write("<script language='javascript'>alert('Update Successful!.')</script>");
                Response.Redirect("Employee_ViewContactInfo.aspx");
            }
            catch
            {
                Response.Write("Update Failed!");
            }
            finally
            {
                txtHomeNum.Text = ""; txtCellphoneNum.Text = ""; txtHomeAddress.Text = ""; txtEmail.Text = "";
            }
        }