ช่วยทีครับเกี่ยวกับ .aspx IIS 7 Windows server 2008R2

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Data;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;

public partial class api_Login : WOApiWebPage
{
    protected override void Execute()
    {
        string username = web.Param("username");
        string password = web.Param("password");

        SqlCommand sqcmd = new SqlCommand();
        sqcmd.CommandType = CommandType.StoredProcedure;
        sqcmd.CommandText = "WZ_ACCOUNT_LOGIN";
        sqcmd.Parameters.AddWithValue("@in_IP", LastIP);
        sqcmd.Parameters.AddWithValue("@in_Username", username);
        sqcmd.Parameters.AddWithValue("@in_Password", password);

        if (!CallWOApi(sqcmd))
            return;

        reader.Read();
        int CustomerID = getInt("CustomerID"); ;
        int AccountStatus = getInt("AccountStatus");
        int SessionID = 0;
        int IsDeveloper = 0;

        if (CustomerID > 0)
        {
            SessionID = getInt("SessionID");
            IsDeveloper = getInt("IsDeveloper");
        }

        GResponse.Write("WO_0");
        GResponse.Write(string.Format("{0} {1} {2}",
            CustomerID, SessionID, AccountStatus));
    }
}

<?xml version="1.0"?>
<!-- 
    Note: As an alternative to hand editing this file you can use the 
    web admin tool to configure settings for your application. Use
    the Website->Asp.Net Configuration option in Visual Studio.
    A full list of settings and comments can be found in 
    machine.config.comments usually located in 
    \Windows\Microsoft.Net\Framework\v2.x\Config 
-->
<configuration>
	<!-- application specific settings -->
	<appSettings>
		<add key="WO_Region" value="EN"/>
	</appSettings>
	<connectionStrings>
		<add name="dbConnectionString" connectionString="Server=localhost,1433;Database=WarZ;User ID=wz_api_user;Password=g54vxca5Ez;Trusted_Connection=False;" providerName="System.Data.SqlClient"/>
	</connectionStrings>
	<system.web>
		<httpRuntime enableVersionHeader="false"/>
		<!-- 
            Set compilation debug="true" to insert debugging 
            symbols into the compiled page. Because this 
            affects performance, set this value to true only 
            during development.
        -->
		<compilation debug="true">
			<assemblies>
				<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></assemblies></compilation>
		<!--
            The <authentication> section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
        -->
		<!--<authentication mode="None"/>-->
		<!--
            The <customErrors> section enables configuration 
            of what to do if/when an unhandled error occurs 
            during the execution of a request. Specifically, 
            it enables developers to configure html error pages 
            to be displayed in place of a error stack trace.

        <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
            <error statusCode="403" redirect="NoAccess.htm" />
            <error statusCode="404" redirect="FileNotFound.htm" />
        </customErrors>
        -->
	</system.web>
</configuration>