protected void btnSubmit_Click(object sender, EventArgs e)
        {
            string firstName = txtFirstName.Text;
            string lastName  = txtLastName.Text;
            string email     = txtEmail.Text;
            string message   = txtMessage.Text;

            Volunteer volunteer = new Volunteer();

            if (firstName != "" && lastName != "" && email != "" && message != "")
            {
                volunteer.FirstName = firstName;
                volunteer.LastName  = lastName;
                volunteer.Email     = email;
                volunteer.Message   = message;

                //lblDisplay.Text = "";
                divFail.Visible = false;

                try
                {
                    ClassFunctions.CreateVolunteer(firstName, lastName, email, message);

                    txtFirstName.Text  = ""; txtLastName.Text = ""; txtEmail.Text = ""; txtMessage.Text = "";
                    lblEmail.Text      = email;
                    divSuccess.Visible = true;
                }
                catch (Exception ex)
                {
                    throw ex;
                }
            }
            else
            {
                divSuccess.Visible = false;
                divFail.Visible    = true;
                //lblDisplay.Text = "Please fill in all required field!";
            }
        }