tbLimit() {
var tbObj=event.srcElement;
if (tbObj.value.length==tbObj.maxLength*1)
return
false;
}
function tbCount(visCnt) {
var tbObj=event.srcElement;
if (tbObj.value.length>tbObj.maxLength*1) tbObj.value=tbObj.value.substring(0,tbObj.maxLength*1);
if (visCnt) visCnt.innerText=tbObj.maxLength-tbObj.value.length;
}
</script>
<!
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
id="Head1"
runat="server">
<title>Untitled
Page</title>
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class tbcount : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
TextBox1.Attributes.Add("onkeypress", "return tbLimit();");
TextBox1.Attributes.Add("onkeyup", "return tbCount(" + Label1.ClientID + ");");
TextBox1.Attributes.Add("maxLength", "500");
}
}
Thanks
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Please Remember to Mark as Answer for the post(s) that help you.....so it can help others......Thanks
novicehere
Contributor
4654 Points
854 Posts
Re: Character Counter for Multiline Textbox
Jun 13, 2008 03:06 PM|LINK
Hey Hi,
how about this........ here the length is 500 characters, can change to user needs
<%
@ Page Language="C#" AutoEventWireup="true" CodeFile="tbcount.aspx.cs" Inherits="tbcount" %> <script language = "Javascript">function
tbLimit() { var tbObj=event.srcElement; if (tbObj.value.length==tbObj.maxLength*1) return false;}
function tbCount(visCnt) { var tbObj=event.srcElement; if (tbObj.value.length>tbObj.maxLength*1) tbObj.value=tbObj.value.substring(0,tbObj.maxLength*1); if (visCnt) visCnt.innerText=tbObj.maxLength-tbObj.value.length;}
</script><!
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 id="Head1" runat="server"> <title>Untitled Page</title></
head><
body> <form id="form1" runat="server"> <div> <asp:TextBox ID="TextBox1" runat="server" Columns="30" Rows="10" TextMode="MultiLine" ></asp:TextBox> <br /> <asp:Label ID="Label1" runat="server"></asp:Label></div>
</form></
body></
html>------------------------------------------Code Behind----------------------------------------
using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class tbcount : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { TextBox1.Attributes.Add("onkeypress", "return tbLimit();"); TextBox1.Attributes.Add("onkeyup", "return tbCount(" + Label1.ClientID + ");"); TextBox1.Attributes.Add("maxLength", "500"); } }Thanks
Please Remember to Mark as Answer for the post(s) that help you.....so it can help others......Thanks