using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Webpages_Event_Registration : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            RandomNum();
        }
    }

    private void RandomNum()
    {
        Random rnd = new Random();
        string num = rnd.Next(0, 9).ToString();

        lblRandomNo1.Text = num;

        Random rnd2 = new Random();
        string num2 = rnd.Next(0, 9).ToString();
        lblRandomNo2.Text = num2;

        
        lblAddRandom.Text = lblRandomNo1.Text + " + " + lblRandomNo2.Text + " = ";
        
        int RandomNo1 = int.Parse(lblRandomNo1.Text.ToString());
        int RandomNo2 = int.Parse(lblRandomNo2.Text.ToString());
        int RandomNoSum = RandomNo1 + RandomNo2;
        lblSum.Text = RandomNoSum.ToString();

    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        if (lblSum.Text == txtSumRandom.Text)
        {
            lblSum12.Text = "Sum :" + txtSumRandom.Text;
            Response.Write("<script>alert('Submitted Successfully')</script>");
            FnClear();
        }
        else
        {
            Response.Write("<script>alert('Please Enter Valid Sum')</script>");
            lblSum12.Text = "-";
        }
    }

    private void FnClear()
    {
        lblRandomNo1.Text = "";
        lblRandomNo2.Text = "";
        lblAddRandom.Text = "__ + __  = ";
        lblSum.Text = "";
        lblSum12.Text = "";
        txtSumRandom.Text = "";
    }
    protected void btnReset_Click(object sender, EventArgs e)
    {
        FnClear();
    }
}