Create a application to print Floyd’s triangle till n rows in C#

Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="practical1b.WebForm1" %>


<!DOCTYPE html>


<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Floyd's triangle"></asp:Label>
<br />
<br />
<asp:Label ID="Label2" runat="server" Text="Enter Number of Rews:"></asp:Label> &nbsp;
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
 
<br />
<br />
<asp:Button ID="Button1" runat="server" OnClientClick="submit_click" Text="Result" OnClick="Button1_Click1" />
<br />
<br />
<asp:Label ID="Label3" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
</html>


Default.aspx.cs
using System;
using System.Collections.Generic; using System.Linq;
using System.Text; using System.Web; using System.Web.UI;
using System.Web.UI.WebControls; namespace practical1b
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click1(object sender, EventArgs e)
{
int numOfRows = Convert.ToInt32(TextBox1.Text); int number = 1;
StringBuilder sb = new StringBuilder(); for (int i = 1; i <= numOfRows; i++)
 
{
for (int j = 1; j <= i; j++)
{
sb.Append(number + " "); number++;
}
sb.Append("<br />");
}
Label1.Text = sb.ToString();
}	}}