Creating log file for error and information

See more:

C#

.NET

C#4.0

.NET4

MVC4

I have created one application using mvc.I want to create 2 log files ..one for error and second for information.
below my code in app.config

<nlog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <targets>
      <target name="logfile" xsi:type="File" fileName="${basedir}/${date:format=yyyy-MM-dd}-webapi-error.log" />
      <target name="infofile" xsi:type="File" fileName="${basedir}/${date:format=yyyy-MM-dd}-webapi-info.log" />
      <target name="eventlog" xsi:type="EventLog" layout="${message}" log="GACensus" source="GA Census Web Api" />
    </targets>
    <rules>
      <!--<Trace, Debug, Info, Warn, Error, Fatal>-->
      <logger name="*" minlevel="Warn" writeTo="logfile" />
      <logger name="*" minlevel="Error" writeTo="eventlog" />
      <logger name="*" minlevel="Info" writeTo="infofile" />
    </rules>
  </nlog>

and below source code for Information

if (response.IsSuccessStatusCode)
              quoteCollection = JsonConvert.DeserializeObject<IEnumerable<Domain.ApiDto.QuoteXML.Quote>>(response.Content.ReadAsStringAsync().Result);
          else
              NLogger.Info(string.Format("GetQuoteForXml(XML Collection): {0}/{1}; Response Status : {2}({3})",
                          CommonConstants.UserAPIServiceURI, CommonConstants.GetOrionBrokerId, (int)response.StatusCode, response.ReasonPhrase));

another code for error

<pre lang="cs">if (excelQuoteCollection == null || excelQuoteCollection.Count() == 0)
            {
                NLogger.Error(&quot;EXCEL quote collection is null.&quot;);
                return;
            }</pre>

now what happens it is giving me two log files in both error message coming
pls help why in info log file error message coming.

help will be appreciable