Web.config use the configSource

In the asp.net if you modify the configuration files of web.config, will cause the application to restart, all answer (session) lost, in.NET Framework 2 and later, including all support   in a separate file; configSource  configuration element attribute configuration. This need not to restart the application, but also the management, avoid all the configuration on the web.config in a file so that the page looks messy. For example, appSetting, connectionStrings node.

Examples are as follows:

Note, the file path in configSouce can only for the relative physical path, it is only for the backslash (\), cannot use the slash(/).

The first is the web.config file:

<configuration>
    <!-- AppSettings website information configuration-->
    <appSettings configSource="config\appSettings.config" />
    <connectionStrings configSource="config\connectionStrings.config"/>
    <system.web>
        <compilation debug="true" targetFramework="4.0"/>
        <httpHandlers configSource="config\httpHandlers.config" />
        <authentication mode="Forms">
            <forms loginUrl="~/Account/Login.aspx" timeout="2880" />
        </authentication>
        <pages configSource="config\pages.config" />
        <membership>
            <providers>
                <clear/>
                <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices"
                     enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false"
                     maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10"
                     applicationName="/" />
            </providers>
        </membership>

        <profile>
            <providers>
                <clear/>
                <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/"/>
            </providers>
        </profile>

        <roleManager enabled="false">
            <providers>
                <clear/>
                <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
                <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
            </providers>
        </roleManager>

    </system.web>

    <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
    </system.webServer>
</configuration>

Here are two separate configuration file:

1,appSettings.config

 1 <?xml version="1.0" encoding="utf-8"?>
 2 
 3 <appSettings>
 4     <!-- Base parameter -->
 5     <add key="SiteResource" value="http://s.baidu.com"/>
 6     <add key="SiteUrl" value="http://www.baidu.com" />
 7     <add key="SiteName" value="www.baidu.com" />
 8     <add key="SiteKeyword" value="baidu"/>
 9     <add key="AllFreeShipping" value="false"/>
10     <add key="ReduceCashBegin" value="2013-9-10 16:00:00"/>
11     <add key="ReduceCashEnd" value="2013-9-16 16:00:00"/>
12     <add key="ReduceCashRule" value="500:30|400:25|300:20|200:15|100:10"/>
13 </appSettings>

2,connectionStrings.config

1 <?xml version="1.0"?>
2 <connectionStrings>
3     <add  name="connectionStrings"
4          connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true"
5          providerName="System.Data.SqlClient" />
6 </connectionStrings>

View Code

The same way reading time, just the same as before, here to write two:

 1   /// <summary>
 2         /// CSS,The JS reference.
 3         /// </summary>
 4         public static string SiteResource
 5         {
 6             get
 7             {
 8                 return ConfigurationManager.AppSettings["SiteResource"] as string;
 9             }
10         }
11         /// <summary>
12         /// By now the rules
13         /// </summary>
14         public static Dictionary<decimal, decimal> ReduceCashRule
15         {
16             get
17             {
18                 string val = ConfigurationManager.AppSettings["ReduceCashRule"] as string;
19                 string[] rule = val.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
20                 Dictionary<decimal, decimal> dic = new Dictionary<decimal, decimal>();
21                 foreach (string item in rule)
22                 {
23                     string[] arr = item.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
24                     dic.Add(decimal.Parse(arr[0]), decimal.Parse(arr[1]));
25                 }
26                 return dic;
27             }
28         }

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Posted by Kathie at November 15, 2013 - 5:21 AM