Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs
===================================================================
diff -u -r2529 -r2864
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs	(.../DamProject.cs)	(revision 2529)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs	(.../DamProject.cs)	(revision 2864)
@@ -29,6 +29,7 @@
 using Deltares.Standard.IO.DtoAssembler;
 using Deltares.Standard.Reflection;
 using System.IO;
+using System.Xml;
 using Deltares.Dam.Data.IO;
 using Deltares.Geotechnics.Soils;
 using Deltares.Standard;
@@ -58,7 +59,7 @@
 
         public DamProject()
         {
-            this.damProjectData = new DamProjectData();            
+            this.damProjectData = new DamProjectData();
         }
 
         public static string GetNewTempDirectory()
@@ -272,6 +273,10 @@
                 object project = xmlSerializer.XmlDeserialize(fileName, typeof(DamProjectData), new DefaultClassFactory());
 
                 this.damProjectData = (DamProjectData)project;
+                if (damProjectData != null)
+                {
+                    damProjectData.VersionInfo.InitVersionInfoAfterRead();
+                }
                 if (damProjectData.DamProjectType == DamProjectType.AssessOld)
                 {
                     ClearProject();
@@ -297,6 +302,7 @@
                 }
                 // Project still needs a reference to soilmaterials database; to be resolved later.
                 // This will become obsolete as soon as Delphi DGeoStability version is no longer used.
+                ResolveBackwardCompatibility();
                 UpdateSoilDatabaseReferences(damProjectFolder);
                 UpdateSoilPropertiesToSoilDatabase();
             });
@@ -310,6 +316,15 @@
             return damProjectData;
         }
 
+        private void ResolveBackwardCompatibility()
+        {
+            if (DamProjectData.VersionInfo.FileVersionAsRead == 0)
+            {
+                XmlDocument xmlDocument = new XmlDocument();
+                xmlDocument.LoadXml(this.ProjectFileName);
+            }
+        }
+
         /// <summary>
         /// Updates older projects for missing data or changed data model.
         /// </summary>
@@ -666,6 +681,8 @@
                 savedProjectMap = ProjectMap;
             }
 
+            damProjectData.VersionInfo.InitVersionInfo();
+
             DataEventPublisher.InvokeWithoutPublishingEvents(() =>
             {
                 EnsureSoilmaterialsFileWithProject(fileName);