I have the below - when I attempt to set a textfield via setValue on a listener handler/blur - not working - the textfield is not picking up the array value from th JS - from the split() funtion - txtWordOne is not picking up the value?
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Hospitals_To_Peer_Groups.aspx.cs"
    Inherits="PARA_Staff_Only_Projects._Default" Debug="true" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!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></title>
    <style type="text/css">
        .txt-bold
        {
            font-family: verdana;
            font-weight: bold;
            font-size: 10px;
            color: #333333;
        }
        .txt-normal
        {
            font-family: verdana;
            font-weight: normal;
            font-size: 10px;
            color: #333333;
        }
        .txt-normal2 .x-form-field
        {
            font-family: verdana;
            font-weight: normal;
            font-size: 10px;
            color: #333333;
        }
    </style>
    <script type="text/javascript">
        function split() {
            var s = "This is a test", a = s.split(' ');
            alert(a[0]);
            txtWordOne.setValue(a[0]);
            //document.write(a1.join(" <br> "));
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <ext:ResourceManager ID="ResourceManager1" runat="server" Theme="Default" />
    <ext:Hidden runat="server" ID="hdnDB" />
    <div style="padding-left: 40px; padding-top: 40px;">
        <table border="0" cellpadding="4" cellspacing="0" style="width: 640px;">
            <tr>
                <td style="width: 100px;">
                    <div class="txt-bold">
                        Provider ID:</div>
                    <ext:TextField ID="txtProvID" runat="server" Width="90" Cls="txt-normal2" />
                </td>
                <td style="width: 310px;">
                    <div class="txt-bold">
                        Full Name:</div>
                    <ext:TextField ID="txtFullName" runat="server" Width="300" Cls="txt-normal2">
                        <Listeners>
                            <Blur Handler="split();" />
                        </Listeners>
                    </ext:TextField>
                </td>
                <td>
                    <div class="txt-bold">
                        Zip Code:</div>
                    <ext:TextField ID="txtZipCode" runat="server" Width="60" Cls="txt-normal2">
                        <Listeners>
                            <%--Hacky workaround - but Blur event is not working with Ext.Net's latest build--%>
                            <Blur Handler="btn.click();" />
                        </Listeners>
                    </ext:TextField>
                </td>
                <td valign="top" style="width: 110px;">
                    <div class="txt-bold" style="padding-bottom: 4px;">
                        City:</div>
                    <ext:Label Cls="txt-normal" runat="server" ID="lblCity" />
                </td>
                <td valign="top">
                    <div class="txt-bold" style="padding-bottom: 4px;">
                        State:</div>
                    <ext:Label Cls="txt-normal" runat="server" ID="lblState" />
                </td>
            </tr>
        </table>
        <div>
            &nbsp;</div>
        <table border="0" cellpadding="4" cellspacing="0" style="width: 400px;">
            <tr>
                <td>
                    <div class="txt-bold">
                        Word 1:</div>
                    <ext:TextField ID="txtWordOne" runat="server" Width="90" Cls="txt-normal2" />
                </td>
                <td>
                    <div class="txt-bold">
                        Word 2:</div>
                    <ext:TextField ID="txtWordTwo" runat="server" Width="90" Cls="txt-normal2" />
                </td>
                <td>
                    <div class="txt-bold">
                        Word 3:</div>
                    <ext:TextField ID="txtWordThree" runat="server" Width="90" Cls="txt-normal2" />
                </td>
                <td>
                    <div class="txt-bold">
                        Word 4:</div>
                    <ext:TextField ID="txtWordFour" runat="server" Width="90" Cls="txt-normal2" />
                </td>
            </tr>
        </table>
        <ext:Button runat="server" ID="btn" Hidden="true">
            <DirectEvents>
                <Click OnEvent="getCityAndSateByZip" Delay="200" />
            </DirectEvents>
        </ext:Button>
        <br />
    </div>
    </form>
</body>
</html>