In this blog we will know how to clear the text boxes values 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>