How to use split function in javascript eval

public string Values;
ContactNameNew = Request.Form.GetValues("ContactName");
JavaScriptSerializer serializer = new JavaScriptSerializer();

Values = serializer.Serialize(ContactNameNew);

The textbox doesnt have ids.we can add number of textboxes dynamically and also they can be removed

The issue is I want to split the values coming from textboxes.and i am unable to do that

I want to use the split function with this javascript code.but may be it doesn't support to the evals

Sir,My all textboxes have same name.and doesn't have the ids as they are dynamically created with javascript

<script type="text/javascript">
$(function () {
document.getElementById("<%=hidcounter.ClientID%>").value = 0;
var email = eval('<%=valueEmail%>');
var name = eval('<%=Values%>');


//alert(email);
//alert(name);
if (email != null) {
var html = "";
$(email).each(function () {
var div = $("<div />");
var counter = $.trim($('[id$=hidcounter]').val());
alert(counter);
alert(name);
var nameArray = name.split(',');
div.html(GetDynamicTextBox(name, email));
$("#TextBoxContainer").append(div);
counter++;
//$('[id$=hidcounter]').val() = counter;
document.getElementById("<%=hidcounter.ClientID%>").value = counter;

});
}
$("#btnAdd").bind("click", function () {
var div = $("<div />");
div.html(GetDynamicTextBox("", ""));
$("#TextBoxContainer").append(div);
return false;
});
$("body").on("click", ".remove", function () {
$(this).closest("div").remove();
});
});
function GetDynamicTextBox(valuename, valueemail) {
alert(valuename);
alert(valueemail);

return '<input name = "ContactName" type="text" value = "' + valuename + '" /> ' + '<input name = "ContactEmail" type="text" value = "' + valueemail + '" /> ' +
'<input type="button" value="Remove" class="remove" />'
}
</script>

if (Request.Form.GetValues("ContactEmail") != null && Request.Form.GetValues("ContactName") != null)
{
ContactEmailNew = Request.Form.GetValues("ContactEmail");
ContactNameNew = Request.Form.GetValues("ContactName");
JavaScriptSerializer serializer = new JavaScriptSerializer();

Values = serializer.Serialize(ContactNameNew);
valueEmail = serializer.Serialize(ContactEmailNew);
var concat = ContactEmailNew.Zip(ContactNameNew, (em, nm) => new { ContactEmailNew = em, ContactNameNew = nm });
foreach (var emnm in concat)
{
email = emnm.ContactEmailNew;
name = emnm.ContactNameNew;
lstckeckemail(email, name);
}
}

I'm getting the values in ContactEmailNew And ContactNameNew

yes.copies of textboxes

exactly.comma separated values in array