Code generator, plug-in based

using System;
using System.Collections.Generic;
using System.Text;
using Worker.Core.API;
using System.Data;
using System.Reflection;
namespace SimplePluginManager
{
    public class SimplePluginManager : Worker.Core.API.IPluginManager
    {
        DataTable pluginTable = new DataTable();
        DataSet dsManager = new DataSet();
        public SimplePluginManager()
        {
            DataColumn name = new DataColumn("Name");
            DataColumn version = new DataColumn("Version");
            DataColumn path = new DataColumn("Path");
            pluginTable.Columns.Add(name);
            pluginTable.Columns.Add(version);
            pluginTable.Columns.Add(path);
            dsManager.Tables.Add(pluginTable);
        }

        public List<IPlugin> GetAll()
        {
            System.Collections.Generic.List<IPlugin> arrayPlugin = new List<IPlugin>();
            foreach (DataRow dr in dsManager.Tables[0].Rows)
            {
                IPlugin plugin = new Plugin();
                plugin.Name = dr["Name"].ToString();
                plugin.Version = dr["Version"].ToString();
                plugin.Path = dr["Path"].ToString();
                arrayPlugin.Add(plugin);
            }
            return arrayPlugin;
        }
        public object Find(string name)
        {
            foreach (DataRow dr in dsManager.Tables[0].Rows)
            {
                if(name.Equals(dr["Name"].ToString()))
                {
                    IPlugin plugin = new Plugin();
                    plugin.Name = dr["Name"].ToString();
                    plugin.Version = dr["Version"].ToString();
                    plugin.Path = dr["Path"].ToString();
                    return plugin;
                }
            }
            return null;
        }
        public object Plug(IPlugin plugin,String type)
        { 
            Assembly asm = Assembly.Load(AssemblyName.GetAssemblyName(".\\Plugin\\" + plugin.Path));
            foreach (Type ftype in asm.GetTypes())
            {
                foreach (Type ifc in ftype.GetInterfaces())
                {
                    if (ifc.Name.Equals(type))
                    {
                        return Activator.CreateInstance(ftype);
                    }
                }
            }
            return null;
        }
        public bool Register(IPlugin info)
        {
            DataRow dr = dsManager.Tables[0].NewRow();
            dr["Name"] = info.Name;
            dr["Version"] = info.Version;
            dr["Path"] = info.Path;
            pluginTable.Rows.Add(dr);
            return true;
        }
        public void Persist(String source)
        {
            dsManager.WriteXml(source);
        }
        public void Load(String source)
        {
            dsManager.ReadXml(source);
        }
    }
}