[mapguide-users] The type initializer for 'OSGeo.MapGuide.MapGuideApiPINVOKE' threw an exception.

Smith Roman autisi at yahoo.com
Wed Jan 15 15:23:59 PST 2014

Hi All,

I am using visual studio 2012 on a windows 7 enterprise pc. I created an asp.net web site and successfully installed the nuget package. (https://nuget.org/packages/mapguide-api-web-x64).

I then created a Default.aspx page with the following code:

<%@ Page language="c#" Debug="true"%>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Collections.Specialized" %>
<%@ Import Namespace="System.Text" %>
<%@ Import Namespace="System.Globalization" %>
<%@ Import Namespace="OSGeo.MapGuide" %>

<%--    <!-- #Include File="utilityfunctions.aspx -->   --%>

<script runat="server">
String webLayout = "Library://Samples/Sheboygan/Layouts/SheboyganAsp.WebLayout";
String defaultUser = "Anonymous";
String defaultPassword = "";
String sessionId = "";
String configFilePath = "C:/Program Files/OSGeo/MapGuide/Web/www/webconfig.ini";
//String configFilePath = "C:/Program Files/OSGeo/MapGuide/Web/www";

//String configFilePath = "@C:\Program Files\OSGeo\MapGuide\Web\www\webconfig.ini";


        // Initialize a session and register a variable to hold the
        // session id, then initialize the Web Extensions, connect
        // to the site, and create a session.


        MgUserInformation userInfo = new MgUserInformation(defaultUser, defaultPassword);
        MgSite site = new MgSite();
        sessionId = site.CreateSession();
    catch (Exception e)
        Response.Write(" map guide error: " + e.Message);

<title>Viewer Sample Application</title>
<frameset rows="30,*" frameborder="no" framespacing="0">
<frame id="titleFrame" frameborder="no" marginwidth="0" marginheight="0" scrolling="no" src="title.html">
<frame id="viewerFrame" frameborder="no" marginwidth="0" marginheight="0" scrolling="no" src="../mapviewernet/ajaxviewer.aspx?SESSION=<%=sessionId%>&WEBLAYOUT=<%=webLayout%>">

The error I am now getting is " The type initializer for 'OSGeo.MapGuide.MapGuideApiPINVOKE' threw an exception ". I am using the 64bit version of map guide 2.5.2.

Any ideas ?

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