ASP.NET使用ConfigurationSection在Web.Config创建自定义配置节集合

核心代码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace Commons
{  
    public class DefaultElement : ConfigurationElement
    {
        [ConfigurationProperty("factory")]
        public string Factory
        {
            get
            {
                return this["factory"] as string;
            }
            set
            {
                this["factory"] = value;
            }
        }
    } 

    public class FactoryElement : ConfigurationElement
    {
        [ConfigurationProperty("name")]
        public string Name
        {
            get
            {
                return this["name"] as string;
            }
            set
            {
                this["name"] = value;
            }
        }

        [ConfigurationProperty("assembly")]
        public string Assembly
        {
            get
            {
                return this["assembly"] as string;
            }
            set
            {
                this["assembly"] = value;
            }
        }

        [ConfigurationProperty("class")]
        public string Class
        {
            get
            {
                return this["class"] as string;
            }
            set
            {
                this["class"] = value;
            }
        }
    }

    public class FactoryElements : ConfigurationElementCollection
    {
        protected override ConfigurationElement CreateNewElement()
        {
            return new FactoryElement();
        }

        protected override object GetElementKey(ConfigurationElement element)
        {
            return ((FactoryElement)element).Name;
        }

        public FactoryElement this[string name]
        {
            get
            {
                return BaseGet(name) as FactoryElement;
            }
        }
    }

    public class DbFactorySection : ConfigurationSection
    {
        [ConfigurationProperty("default")]
        public DefaultElement DefaultFactory
        {
            get
            {
                return this["default"] as DefaultElement;
            }
            set
            {
                this["default"] = value;
            }
        }
        [ConfigurationProperty("factorys")]
        public FactoryElements Factorys
        {
            get
            {
                return this["factorys"] as FactoryElements;
            }
            set
            {
                this["factorys"] = value;
            }
        }
    }

}

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