Blank validation of textbox with javascript during registration. [Resolved]

Posted by Srinibaschampati under ASP.NET on 7/30/2013 | Points: 10 | Views : 1379 | Status : [Member] | Replies : 3
Hello team,
How to validate textbox with javascript during registration form.I don’t want to use validation controls.

Regards
Sri…nibas




Responses

Posted by: Satyapriyanayak on: 7/30/2013 [Member] [MVP] Silver | Points: 50

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Resolved
Here is one example


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="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 validate()
{
if (document.getElementById("<%=txt_name.ClientID%>").value=="")
{
alert("Name Feild can not be blank");
document.getElementById("<%=txt_name.ClientID%>").focus();
return false;
}
return true;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txt_name" runat="server"></asp:TextBox>
<asp:Button ID="btn_register" runat="server" OnClientClick ="javascript:validate()" Text="Register" onclick="btn_register_Click"/>
<asp:Label ID="lblmsg" runat="server" Text="Label"></asp:Label>
</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;
using System.Data.SqlClient;
namespace Validate_Textbox_using_javascript
{
public partial class WebForm1 : System.Web.UI.Page
{
string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
SqlCommand com;
protected void btn_register_Click(object sender, EventArgs e)
{
if (txt_name.Text == "")
{
txt_name.Focus();
}
else
{
SqlConnection con = new SqlConnection(connStr);
com = new SqlCommand();
com.Connection = con;
com.CommandType = CommandType.Text;
com.CommandText = "insert into test values(@name)";
com.Parameters.Clear();
com.Parameters.AddWithValue("@name", txt_name.Text);
if (con.State == ConnectionState.Closed)
con.Open();
com.ExecuteNonQuery();
con.Close();
lblmsg.Text = "Data entered successfully!!!";
}
}
}
}


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Posted by: aswinialuri-19361 on: 7/30/2013 [Member] Starter | Points: 50

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hi
To validate text box using javascript it is very intresting
try it
refer this link it might be helpful to you
www.latestcode.net/2010/05/how-to-validate-textbox-using.html?
http://www.codeproject.com/Questions/429411/How-to-validate-for-Text-box-in-Javascript

Mark as Answer if it helps you
Thanks&Regards
Aswini Aluri

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Posted by: Srinibaschampati on: 7/30/2013 [Member] Starter | Points: 25

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Thanks satyapriyanayak and Aswinialuri

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