有关系列化---收集帖(答者有分)

Question

由于序列化的时候错误难以详细报出.所以这里收集一下大家认为对对象进行序列化的时候的注意事项.比如我先说我知道的几个1 .不要用接口定义属性类型
2 .属性类型必须都可序列化希望大家补充修正。

Answer 1

我也来说一句..类似Button之类的类型不能被序列化,或者说不能直接被序列化..

Answer 2

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;namespace Luna.Base
{
    [Serializable]
    public abstract class AbstractComponent : ILunaComponent
    {
        [NonSerialized]
        private LunaPropertyCollection propertyCollection;
        private List<AbstractComponent> children;
        private ComponentState state;        public AbstractComponent()
        {
            propertyCollection = new LunaPropertyCollection(null);
            state = ComponentState.Unchanged;
        }
        
        #region ILunaComponent 成员        public string ID
        {
            get
            {
                return GetProoertyValue("ID");
                //if (propertyCollection["ID"] == null)
                //    return null;
                //return propertyCollection["ID"].ToString();
            }
            set { SetProoertyValue("ID", value); }
        }
        public string Code
        {
            get
            {
                return GetProoertyValue("Name");
                //if (propertyCollection["Code"] == null)
                //    return null;
                //return propertyCollection["Code"].Value.ToString();
            }
            set
            {
                SetProoertyValue("Code", value);
            }
        }        public string Name
        {
            get
            {
                return GetProoertyValue("Name");
                //if (propertyCollection["Name"] == null)
                //    return null;
                //return propertyCollection["Name"].Value.ToString();
            }
            set
            {
                SetProoertyValue("Name", value);
            }
        }        public virtual string Table
        {
            get
            {
                return GetProoertyValue("LUNAOBJECT");
                //if (propertyCollection["LUNAOBJECT"] == null)
                //    return null;
                //return Properties["LUNAOBJECT"].Value;
            }
        }        public string Description
        {
            get
            {
                return GetProoertyValue("Description");
                //return propertyCollection["Description"].Value.ToString();
            }
            set
            {
                SetProoertyValue("Description", value);
            }
        }        public string ComponentClass
        {
            get
            {
                return GetProoertyValue("ComponentClass");
                //if (propertyCollection["ComponentClass"] == null)
                //    return null;
                //return propertyCollection["ComponentClass"].Value.ToString();
            }
        }        public DateTime CreateTime
        {
            get
            {
                if (propertyCollection["CreateTime"] == null || propertyCollection["CreateTime"].ToString().Trim() == "")
                    return DateTime.MinValue;
                return ConvertUtil.GetDateTime(propertyCollection["CreateTime"].Value);
            }
            set
            {
                SetProoertyValue("CreateTime", ConvertUtil.GetString(value));
            }
        }        public DateTime UpdateTime
        {
            get
            {
                if (propertyCollection["UpdateTime"] == null || propertyCollection["UpdateTime"].ToString().Trim() == "")
                    return DateTime.MinValue;
                return ConvertUtil.GetDateTime(propertyCollection["UpdateTime"].Value);
            }
            set
            {
                SetProoertyValue("UpdateTime", ConvertUtil.GetString(value));
            }
        }        public LunaPropertyCollection Properties
        {
            get { return propertyCollection; }
        }               protected void SetProoertyValue(string key,string value)
        {
            if (propertyCollection[key] == null)
            {
                this.propertyCollection.Add(key, value);
            }
            propertyCollection[key].Value = value;
        }        protected string GetProoertyValue(string key)
        {
            if (propertyCollection[key] == null)
            {
                return null;
            }
            else
            {
                return propertyCollection[key].Value;
            }
        }        /// <summary>
        /// 子集合
        /// </summary>
        public List<AbstractComponent> Children
        {
            get
            {
                if (children == null)
                    children = new List<AbstractComponent>();
                return children;
            }
            set
            {
                children = value;
            }
        }        public ComponentState State
        {
            get
            {
                return state;
            }
            set
            {
                state = value;
            }
        }        #endregion
        
    }
}当这个类的子类的对象实例被序列化时会提示xml声称错误。（只有在obj.Children.Count>0的时候会报错）请问为什么？