Dynamic Textbox and Retrive values

Question

0.00/5 (No votes)

See more:

Hello,

Below is the code I am using to create dynamic textbox. Now my problem is that how i store the values of dynamically created texboxes.

Designer code

ASP.NET

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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>
        <asp:Panel ID="pnlTextBox" runat="server">
        
        <asp:LinkButton ID="btnAddtxt" runat="server" OnClick="btnAdd_Click">Add TextBox

        <br />
        <asp:Button ID="btnSave" runat="server" Text="Save" onclick="btnSave_Click" />
    </div>
    /form>
</body>
</html>

C# code

C#

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

public partial class _Default : System.Web.UI.Page
{
   // Panel pnlTextBox;
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Page_PreInit(object sender, EventArgs e)
    {
        RecreateControls("txtDynamic", "TextBox");
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        int cnt = FindOccurence("txtDynamic");
        CreateTextBox("txtDynamic-" + Convert.ToString(cnt + 1));
    }
    private int FindOccurence(string substr)
    {
        string reqstr = Request.Form.ToString();
        return ((reqstr.Length - reqstr.Replace(substr, "").Length) / substr.Length);
    }
    private void CreateTextBox(string ID)
    {
        TextBox txt = new TextBox();
        txt.ID = ID;
       
        pnlTextBox.Controls.Add(txt);

        Literal lt = new Literal();
        lt.Text = "<br />";
        pnlTextBox.Controls.Add(lt);
    }
   
    private void RecreateControls(string ctrlPrefix, string ctrlType)
    {
        string[] ctrls = Request.Form.ToString().Split('&');
        int cnt = FindOccurence(ctrlPrefix);
        if (cnt > 0)
        {
            for (int k = 1; k <= cnt; k++)
            {
                for (int i = 0; i < ctrls.Length; i++)
                {
                    if (ctrls[i].Contains(ctrlPrefix + "-" + k.ToString())
                        && !ctrls[i].Contains("EVENTTARGET"))
                    {
                        string ctrlID = ctrls[i].Split('=')[0];

                        if (ctrlType == "TextBox")
                        {
                            CreateTextBox(ctrlID);
                        }
                        break;
                    }
                }
            }
        }
    }

    protected void btnSave_Click(object sender, EventArgs e)
    {
       
    }
}

Posted 4-Nov-11 22:51pm

aryan2010

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Mehdi Gholam · Answer 1 · 2011-11-04T23:45:00

Solution 1

C#

foreach(Control c in pnlTextBox.Controls)
{
   TextBox t = c as TextBox;
   if(t!=null)
   {
      // do something with your text box here
   }
}

Posted 4-Nov-11 23:45pm

Mehdi Gholam