Log4Net Connection issues with MySQL

using log4net;
using MySql.Data.MySqlClient;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Logger.Setup
{
    public class SetUpLog
    {
        internal log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); 
        internal SetUpLog(string dbconn)
        {
            log4net.Repository.Hierarchy.Hierarchy log = 
                log4net.LogManager.GetRepository() as log4net.Repository.Hierarchy.Hierarchy;
            if (log != null)
            {
                log4net.Appender.AdoNetAppender adoAppender = (log4net.Appender.AdoNetAppender)
                    log.GetLogger("Test", log.LoggerFactory).GetAppender("ADONetAppender");
                if(adoAppender != null)
                {
                    adoAppender.ConnectionType = "MySql.Data.MySqlClient.MySqlConnection, Version=6.0.3.0, Culture=neutral";                    
                    adoAppender.ConnectionString = dbconn;
                    adoAppender.ActivateOptions();
                }
            }
            log4net.Config.XmlConfigurator.Configure();
        }
    }
}

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
  </configSections>
  <log4net>
    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %message%newline" />
      </layout>
    </appender>

    <appender name="ADONetAppender" type="log4net.Appender.ADONetAppender">
    <bufferSize value="1" />
      <connectionString value="Provider=MySqlProv;Server=localhost;Database=logDB;Uid=root;Pwd=password;" />
    <commandText value="insert into logdb.mylog(ID,DateTime,Thread,Level,Message)values(2,@log_date,@thread,@log_level,@message)" />
    <parameter>
      <parameterName value="@log_date" />
      <dbType value="DateTime" />
      <layout type="log4net.Layout.RawTimeStampLayout" />
    </parameter>
    <parameter>
      <parameterName value="@thread" />
      <dbType value="String" />
      <size value="255" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%t" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@log_level" />
      <dbType value="String" />
      <size value="50" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%p" />
      </layout>
    </parameter>
    <parameter>
      <parameterName value="@message" />
      <dbType value="String" />
      <size value="4000" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%m" />
      </layout>
    </parameter>
    </appender>

    <root>
      <level value="DEBUG" />
      <appender-ref ref="ConsoleAppender" />
      <appender-ref ref="ADONetAppender" />
    </root>
  </log4net>
  <connectionStrings>
    <add name="LogDB" connectionString="Provider=MySql;Server=localhost;Database=logDB;Uid=root;Pwd=password;"/>
  </connectionStrings>
</configuration>

using log4net;
using log4net.Appender;
using log4net.Repository.Hierarchy;
using System;
using System.Collections.Generic;
using MySql.Data.MySqlClient;
using System.Linq;
using System.Text;

namespace Logger.Setup
{
    public class SetUpLog
    {
        /*****************************************************************************/
        /// <summary>
        /// Use this constructor if you only want to log to the console or to a file.
        /// </summary>
        internal SetUpLog()
        {
            log4net.Config.XmlConfigurator.Configure();
        }
        /*****************************************************************************/
        /// <summary>
        /// Use this constructor if you want to log to a database. If you choose this option
        /// you need to make sure that the application driving the process has the correct 
        /// configuration in its app.config
        /// </summary>
        /// <param name="dbConn">string representing the data base connection</param>
        public SetUpLog(string dbConn)
        {
            log4net.Config.XmlConfigurator.Configure();
            createAdoSettings(dbConn);
        }
        /*****************************************************************************/
        /// <summary>
        /// Defines a hierachy for use with log4net. This gets the default hierachy only.
        /// </summary>
        /// <returns>the default log4net hierachy</returns>
        private Hierarchy hierachy()
        {
            Hierarchy h = (Hierarchy)log4net.LogManager.GetRepository();
            return h;
        }
        /*****************************************************************************/
        /// <summary>
        /// Creates and applies some configuration to the ado appender that we will be using
        /// with log4net. All we do here is basically assign the connection string.
        /// </summary>
        /// <returns></returns>
        private AdoNetAppender adoAppender()
        {
            Hierarchy myHierarchy = hierachy();
            if (myHierarchy != null)
            {
                AdoNetAppender adoApp = (AdoNetAppender)myHierarchy.Root.GetAppender("ADONetAppender");
                return adoApp;
            }
            return null;
        }
        /*****************************************************************************/
        /// <summary>
        /// Applies the connection string and activates the options on our ADO appender.
        /// Note that we can alter configuration here also - but the configuration in the app.config
        /// belonging to the driving application will override any that is placed here. By altering
        /// the configuration here, we loose some of the flexibility provided by log4net.
        /// </summary>
        /// <param name="dbConn"></param>
        private void createAdoSettings(string dbConn)
        {
            AdoNetAppender myAppender = adoAppender();
            if (myAppender != null)
            {
                myAppender.ConnectionString = dbConn;
                myAppender.UseTransactions = true;
                myAppender.ActivateOptions();
            }
        }
    }
}

<log4net>
    <root>
      <level value="DEBUG" />
      <appender-ref ref="ConsoleAppender" />
      <appender-ref ref="ADONetAppender" />
    </root>
    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %message%newline %L %C" />
      </layout>
    </appender>
    <appender name="ADONetAppender" type="log4net.Appender.ADONetAppender">
      <connectionType value="MySql.Data.MySqlClient.MySqlConnection, MySql.Data, Version=6.0.3.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" />
      <commandText value="insert into mylog (thread,line,object_ref,taskID)
                   values(?thread,?line,?objectref,?taskid)" />
      <parameter>
        <parameterName value="?thread"/>
        <dbType value="String"/>
        <size value="20"/>
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%thread"/>
        </layout>
      </parameter>
      <parameter>
        <parameterName value="?line"/>
        <dbType value="String"/>
        <size value="20"/>
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%L"/>
        </layout>
      </parameter>
      <parameter>
        <parameterName value="?objectref"/>
        <dbType value="String"/>
        <size value="20"/>
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%C"/>
        </layout>
      </parameter>
      <parameter>
        <parameterName value="?taskid"/>
        <dbType value="String"/>
        <size value="20"/>
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%property{taskid}"/>
        </layout>
      </parameter>
    </appender>
  </log4net>

using Logger.Setup;
using System;
using System.Configuration;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestClient
{
    class Program
    {
        protected static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        
        static void Main(string[] args)
        {
            Program test = new Program();
            test.logtest();          
        }
        private void logtest()
        {
            log4net.GlobalContext.Properties["taskid"] = "89";
            string connstring = ConfigurationManager.ConnectionStrings["LogDB"].ConnectionString.ToString();
            SetUpLog _setup = new SetUpLog(connstring);
            Console.WriteLine(connstring);
            log.Info("Hello there");
        }
    }
}

log4net:ERROR [AdoNetAppender] Could not open database connection []
System.ArgumentNullException: Key cannot be null.
Parameter name: key
   at System.Collections.Hashtable.get_Item(Object key)
   at MySql.Data.MySqlClient.MySqlPoolManager.GetPool(MySqlConnectionStringBuild
er settings)
   at MySql.Data.MySqlClient.MySqlConnection.Open()
   at log4net.Appender.AdoNetAppender.InitializeDatabaseConnection()
Server=localhost;Database=logDB;Uid=root;Pwd=password;
2009-05-20 22:37:31,661 [1] INFO  Hello there
 27 TestClient.Program