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AspNetSession layout renderer

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Julian Verdurmen edited this page Jan 8, 2016 · 5 revisions

ASP.NET Session variable.

Supported in .NET and Mono

##Configuration Syntax

${aspnet-session:variable=String;evaluateAsNestedProperties:boolean}

##Parameters ###Rendering Options

  • variable - Session variable name.
  • EvaluateAsNestedProperties - boolean. Default: false. Evaluate the variable as nested properties. The dots in the variable are special interpreted. See example below.

##Remarks Use this layout renderer to insert the value of the specified variable stored in the ASP.NET Session dictionary.

##Examples

Log the username in the session.

In the C# code:

Session["username"] = "johnDoe";

Config:

<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

    <targets>
        <target name="logfile" xsi:type="File" fileName="file.txt" />
    </targets>

    <rules>
        <logger name="*" minlevel="Info" writeTo="logfile" layout="${aspnet-session:Variable=Username}/>
    </rules>
</nlog>

Will print "JohnDoe"

EvaluateAsNestedProperties

In the C# code:

Session["user"] = new UserInfo { Name= "johnDoe", Id = 100};

Config:

<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

    <targets>
        <target name="logfile" xsi:type="File" fileName="file.txt" />
    </targets>

    <rules>
        <logger name="*" minlevel="Info" writeTo="logfile" layout="${aspnet-session:Variable=User.Name:EvaluateAsNestedProperties=true}/>
    </rules>
</nlog>

Will print "JohnDoe"

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