<script type="text/javascript">
function textboxMultilineMaxNumber(txt, maxLen) {
try {
if (txt.value.length > (maxLen)) {
var strValue = txt.value;
txt.value = strValue.substring(0, 100);
alert("Description should not exceed more than 100 characters.");
return false;
}
} catch (e) {
}
}
</script>
<asp:TextBox ID="txtdescription" runat="server" TextMode="MultiLine" Enabled="false" ValidationGroup="Search" onkeyup="return textboxMultilineMaxNumber(this,100)"></asp:TextBox>
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