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This article mainly introduces how to add a custom configuration section in web.config or app.config. The article is very detailed and has certain reference value. Friends who are interested must read it!

Simple key-value pair

Web.config

Users.config

C#

NameValueCollection users = System.Configuration.ConfigurationManager.GetSection ("users") as NameValueCollection; Response.Write (users.Keys [0] + "+ users.Keys [1])

Complex type

Web.config

Roles.config

RolesCofig.cs

Using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EBuy.Chapter3.NTier.WebUI {public class RolesConfig: System.Configuration.IConfigurationSectionHandler {public object Create (object parent, object configContext, System.Xml.XmlNode section) {return section;}

C#

XmlNode roles= System.Configuration.ConfigurationManager.GetSection ("roles") as XmlNode; Response.Write (roles.ChildNodes [0] .Attributes ["username"] .InnerText)

You can also define the configuration section as an entity

Using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace EBuy.Chapter3.NTier.WebUI {public class RolesConfig: System.Configuration.IConfigurationSectionHandler {public object Create (object parent, object configContext, System.Xml.XmlNode section) {var list=new List (); for (int item0witi)

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