Dynamically generated Textboxes on textchanged Event and fetching data from them on Button Click
In Many Web Application user needs to generate multiple textboxes on runtime. So here in this example we have taken a textbox to enter number of textboxes to be autogenerated .
Now the second task is to fetch data from these dynamically generated texboxes and display it on the webpage on Button Click Event
Dynamically generated Textboxes on textchanged Event and fetching data from them on Button Click
Complete Source code of Default3.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
No of Textboxes:
<asp:TextBox ID="txtNo" runat="server"
ontextchanged="txtNo_TextChanged" AutoPostBack="True"></asp:TextBox>
<asp:Panel ID="Panel1" runat="server">
<br />
</asp:Panel>
<br />
<asp:Button ID="btn" runat="server" Text="Submit" onclick="btn_Click" />
</div>
</form>
</body>
</html>
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Complete Code of Default.aspx.cs Page
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void txtNo_TextChanged(object sender, EventArgs e)
{
int a = Convert.ToInt32(txtNo.Text);
for (int i = 0; i < a; i++)
{
TextBox tempBox = new TextBox();
tempBox.ID = "txtBox_" + (i + 1).ToString() ;
Panel1.Controls.Add(tempBox);
}
}
protected void btn_Click(object sender, EventArgs e)
{
int a = Convert.ToInt32(txtNo.Text);
for (int i = 0; i < a; i++)
{
TextBox tempBox = new TextBox();
string ss = Request.Form["txtBox_" + (i + 1).ToString()].ToString();
if (tempBox != null)
{
Response.Write("<table border=1px; Width=60px ><tr><td>"+ ss + "<br> " + "</td></tr></table>" );
}
}
}
}