ASP.NET中实现Form表单字段值自动填充到操作模型中

action方法 Register(UserModel userModel)

{

   .............................　

}

protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPost())
            {
                InitPage();//第一次访问呈现页面
            }
            else
            {
                UserModel userModel = AssembleModel<UserModel>(base.valueCollection);
            }
        }

protected NameValueCollection valueCollection = HttpContext.Current.Request.Params;

/// <summary>
        /// 反射获取类的属性
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        protected PropertyInfo[] GetPropertyInfoArray(Type type)
        {
            PropertyInfo[] props = null;
            try
            {
                object obj = Activator.CreateInstance(type);
                props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
            }
            catch (Exception ex)
            {

            }
            return props;
        }

        /// <summary>
        /// 根据NameValueCollection 自动装配
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="valueCollection"></param>
        /// <returns></returns>
        protected T AssembleModel<T>(NameValueCollection valueCollection)
        {
            PropertyInfo[] propertyInfoList = GetPropertyInfoArray(typeof(T));
            object obj = Activator.CreateInstance(typeof(T), null);//创建指定类型实例
            foreach (string key in valueCollection.Keys)//所有上下文的值
            {
                foreach (var PropertyInfo in propertyInfoList)//所有实体属性
                {
                    if (key.ToLower() == PropertyInfo.Name.ToLower())
                    {
                        PropertyInfo.SetValue(obj, valueCollection[key], null);//给对象赋值
                    }
                }
            }
            return (T)obj;
        }

UserModel userModel = AssembleModel<UserModel>(base.valueCollection);