protected void btnSubmit_Click(object sender, EventArgs e)
    {
        User aUser = new User();

        aUser.FirstName     = txtBoxFName.Text;
        aUser.LastName      = txtBoxLName.Text;
        aUser.PhoneNumber   = txtBoxContact.Text;
        aUser.Email         = txtBoxEmail.Text;
        aUser.StreetNumber  = txtBoxStreetNumber.Text;
        aUser.StreetAddress = txtBoxStreetAddress.Text;
        aUser.PostCode      = txtBoxPostCode.Text;
        aUser.District      = txtBoxDistrict.Text;
        aUser.Country       = txtBoxCountry.Text;

        UserDataBaseHandler userDataBaseHandler = new UserDataBaseHandler();

        if (RadioButtonListGender.SelectedItem != null)
        {
            aUser.Gender = RadioButtonListGender.SelectedValue;
        }
        else
        {
            aUser.Gender = "";
        }

        try
        {
            if (userDataBaseHandler.InsertUserDataToDB(aUser))
            {
                Response.Write("<script>alert('Your information has been inserted successfully!');</script>");
                ClearAllFormElements();
            }
        }
        catch (SqlException sqlException)
        {
            Response.Write("<script>alert('Data could not be saved' " + sqlException.Message + ");</script>");
        }
        catch (Exception exception)
        {
            Response.Write("<script>alert('Error occured');</script>");
        }
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        UserDataBaseHandler userDataBaseHandler = new UserDataBaseHandler();
        List <User>         userList            = new List <User>();


        try
        {
            userList = userDataBaseHandler.GetAllUsers();
            AllUserGridView.DataSource = userList;
            AllUserGridView.DataBind();
        }
        catch (SqlException sqlException)
        {
            Response.Write("<script>alert('Error occured while retriving data from Database');</script>");
        }
        catch (Exception exceptoinObj)
        {
            Response.Write("<script>alert('Error occured');</script>");
        }
    }