TeacherMath
جمعه 06 مرداد 1391, 10:47 صبح
<!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">
<script src="Script/jquery-1.7.2.js" type="text/javascript"></script>
<title></title>
<script type="text/javascript">
$(document).ready(function () {
var minCount = 5;
var maxCount = 300;
var temp;
$('#<%=TextBox1.ClientID %>').bind("cut copy paste", function (e) {
e.preventDefault();
});
$('#<%=TextBox1.ClientID %>').keypress(function () {
if ($(this).val().length > maxCount) {
$(this).val(temp);
return;
}
temp = $(this).val();
var strCount = $('#<%=TextBox1.ClientID %>').val().length;
$('#<%=TextBox2.ClientID %>').val(strCount);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div align="center">
<fieldset style="width: 400px; height: 250px;">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td>
<asp:Label dir="rtl" Text="متن خود را در زیر وارد کنید :" runat="server" />
</td>
</tr>
<tr>
<td>
<asp:TextBox ID="TextBox1" runat="server" MaxLength="300" TextMode="MultiLine" Rows="7"
Width="300px"></asp:TextBox>
</td>
</tr>
<tr>
<td>
Number of characters:
<asp:TextBox ID="TextBox2" runat="server" Width="30px" ReadOnly="true"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<div id="message" class="alertmsg">
</div>
</td>
</tr>
</table>
</fieldset>
</div>
</form>
</body>
</html>