store jsonPProxy directevent problem

[hakandonmez]

my problem. acquisition, and other information from remote XML file to send to the server.

        <ext:Store ID="GetRouterInfo" runat="server" AutoLoad="true" >
            <Proxy>
                <ext:JsonPProxy runat="server" Url="192.168.1.45/xxx.xml">
                    <Reader>
                        <ext:XmlReader Record="WISPrInfo"  />
                    </Reader>
                </ext:JsonPProxy>
            </Proxy>
            <Model>
                <ext:Model runat="server">
                    <Fields>
                        <ext:ModelField Name="WISPrLocationID" Type="String" Mapping="WISPrLocationID" />
                    </Fields>
                </ext:Model>
            </Model>
            <DirectEvents>
                <Load OnEvent="SetWISPrInfo" Delay="1500">
                    <ExtraParams>
                        <ext:Parameter Name="WISPrLocationID" Value="this.getAt(0).get('WISPrLocationID')" Mode="Raw" />
                    </ExtraParams>
                </Load>
            </DirectEvents>
        </ext:Store>

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!X.IsAjaxRequest)
            {
                GetRouterInfo.Reload();
            }
        }

        protected void SetWISPrInfo(object sender, DirectEventArgs e)
        {
           string wisprid = int.Parse(e.ExtraParams["WISPrLocationID"].ToString());
        }

not running SetWISPrInfo method

[hakandonmez]

        <ext:Store ID="GetRouterInfo" runat="server" AutoLoad="false" AutoDataBind="false">
            <Proxy>
                <ext:JsonPProxy Url="http://192.168.1.45/data.txt">
                    <Reader>
                        <ext:JsonReader Root="WISPrInfo" />
                    </Reader>
                </ext:JsonPProxy>
            </Proxy>
            <Model>
                <ext:Model runat="server" IDProperty="WISPrLocationID">
                    <Fields>
                        <ext:ModelField Name="WISPrLocationID" />
                    </Fields>
                </ext:Model>
            </Model>
            <DirectEvents>
                <Load OnEvent="SetWISPrInfo" Delay="1500">
                    <ExtraParams>
                        <ext:Parameter Name="WISPrID" Value="this.getAt(0).get('WISPrLocationID')" Mode="Raw" />
                    </ExtraParams>
                </Load>
            </DirectEvents>
        </ext:Store>

data.txt

Ext.data.JsonP.callback1({"WISPrInfo":[{"WISPrLocationID":"12345"}]});

this different data.txt did not work