C#.NET反射调用静态类中的方法

        public static UpgraderDbContext CreateDatabase(UpgraderConfig config)
        {
            var ns = "CSFramework.AutoUpgrader.DAL.UpgraderDbContext_" + config.DatabaseType;
            Type type = typeof(UpgraderDbContext).Assembly.GetType(ns, false, true);
            if (type == null)
            {
                throw new Exception("无法识别的数据库类型，创建数据库连接失败！");
            }

            //C#.NET反射调用静态类中的方法
            var obj = type.InvokeMember("CreateDbContext",
                           BindingFlags.Public |
                           BindingFlags.Static |
                           BindingFlags.InvokeMethod,
                           null,
                           null,
                           new object[] { config });

            return obj as UpgraderDbContext;
        }

public class CSFramework.AutoUpgrader.DAL.UpgraderDbContext_SqlServer
{
        /// <summary>
        /// 公共静态方法
        /// </summary>
        /// <param name="config"></param>
        /// <returns></returns>
        public static UpgraderDbContext CreateDbContext(UpgraderConfig config)
        {

        }
}