Log4Net配置文件

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
        <section name="log4net" type="System.Configuration.IgnoreSectionHandler" />
    </configSections>
    <appSettings>
        <!--数据库连接字符串 eaerserver sa thssl COA-->
        <add key="ConnectionString" value="(local);UID=sa;PWD=sa;DataBase=Projet;Max Pool Size=1000"/>
         </appSettings>
    <system.web>
        <httpRuntime maxRequestLength="102400" useFullyQualifiedRedirectUrl="true" executionTimeout="36000" />
        <compilation defaultLanguage="c#" debug="true" />
        <customErrors defaultRedirect="default.aspx" mode="RemoteOnly" />
        <authentication mode="Windows" />
        <authorization>
            <allow users="*" />
        </authorization>
        <pages validateRequest="false"></pages>
        <trace enabled="false" requestLimit="10" pageOutput="false" traceMode="SortByTime" localOnly="true" />
        <sessionState mode="InProc" stateConnectionString="tcpip=127.0.0.1:42424" sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes"
            cookieless="false" timeout="1440" />
        <globalization requestEncoding="utf-8" responseEncoding="utf-8" />
    </system.web>
    <log4net>
        <appender name="ADONetAppender_SqlServer" type="log4net.Appender.AdoNetAppender">
            <bufferSize value="1" />
            <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
            <connectionString value="Server=192.168.0.22;UID=sa;PWD=sa;DataBase=ProjectMgr;Max Pool Size=1000"/>
            <commandText value="INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message]) VALUES (@log_date, @thread, @log_level, @logger, @message)" />
            <parameter>
                <parameterName value="@log_date" />
                <dbType value="DateTime" />
                <!-- 
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%date{yyyy'-'MM'-'dd HH':'mm':'ss'.'fff}" />
                </layout> 
                -->
                <layout type="log4net.Layout.RawTimeStampLayout" />
            </parameter>
            <parameter>
                <parameterName value="@thread" />
                <dbType value="String" />
                <size value="255" />
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%thread" />
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@log_level" />
                <dbType value="String" />
                <size value="50" />
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%level" />
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@logger" />
                <dbType value="String" />
                <size value="255" />
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%logger" />
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@message" />
                <dbType value="String" />
                <size value="4000" />
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%message" />
                </layout>
            </parameter>
        </appender>
        <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
            <file value="log\rolling-log.txt" />
            <appendToFile value="true" />
            <maxSizeRollBackups value="10" />
            <maximumFileSize value="100" />
            <rollingStyle value="Size" />
            <staticLogFileName value="true" />
            <layout type="log4net.Layout.PatternLayout">
                <header value="[Header] " />
                <footer value="[Footer] " />
                <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
            </layout>
        </appender>
        <!-- Setup the root category, add the appenders and set the default level -->
        <root>
            <level value="INFO" />
            <appender-ref ref="ADONetAppender_SqlServer" />
            <appender-ref ref="RollingLogFileAppender" />
        </root>
        <!-- Specify the level for some specific categories -->
        <logger name="ConsoleApp.LoggingExample">
            <!-- <appender-ref ref="B" /> -->
            <level value="ALL" />
            <appender-ref ref="ADONetAppender_SqlServer" />
            <appender-ref ref="RollingLogFileAppender" />
        </logger>
    </log4net>
</configuration>

Global中加入一句话
[assembly: log4net.Config.XmlConfigurator(Watch=true)]

页面这样就可以调用了
  protected static readonly log4net.ILog log = log4net.LogManager.GetLogger("登陆页面");
  log.Info("系统发生错误了！");