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Clear Textboxes on button click in Aspnet

Posted By:satyapriyanayak       Posted Date: January 16, 2014    Points: 40    Category: ASP.NET Controls    URL: http://www.dotnetspark.com  

In this Code Snippets we will know how to clear the textboxes in asp.net
 

Method-1

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Clear_textboxes_asp.net._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>Untitled Page</title>  
</head>
<body>
    <form id="form1" runat="server">
    <div>
     <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
     <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
    <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
    </div>
    </form>
</body>
</html>

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace Clear_textboxes_asp.net
{
    public partial class _Default : System.Web.UI.Page
    {
       
        protected void Button1_Click(object sender, EventArgs e)
        {
            CleartextBoxes(this);
        }
        public void CleartextBoxes(Control parent)
        {

            foreach (Control c in parent.Controls)
            {
                if ((c.GetType() == typeof(TextBox)))
                {

                    ((TextBox)(c)).Text = "";
                }

                if (c.HasControls())
                {
                    CleartextBoxes(c);
                }
            }
        }  
    }
}

Method-2

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

<!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>Untitled Page</title>
    <script language="javascript" type="text/javascript">
function CleartextBoxes(sType) {
  a = document.getElementsByTagName("input");
  for(i = 0; i < a.length; i++) {
    if(a[i].type==sType) {
      a[i].value = "";
    }
  }
}
</script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
     <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
     <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
     <button onclick="CleartextBoxes('text');">Reset</button>
    </div>
    </form>
</body>
</html>


     

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