diff --git a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Addin/Project/Designer/RootDesigner/ReportRootDesigner.cs b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Addin/Project/Designer/RootDesigner/ReportRootDesigner.cs
index 993ecf9aac..d140b31d99 100644
--- a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Addin/Project/Designer/RootDesigner/ReportRootDesigner.cs
+++ b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Addin/Project/Designer/RootDesigner/ReportRootDesigner.cs
@@ -260,15 +260,15 @@ namespace ICSharpCode.Reports.Addin.Designer
 		
 		private void OnComponentChanged(object sender, ComponentChangedEventArgs ce)
 		{
-			System.Console.WriteLine("RootDesigner:OnComponentChanged {0} from {1} to {2}",ce.Component.ToString(),ce.OldValue,ce.NewValue);
+			LoggingService.InfoFormatted("RootDesigner:OnComponentChanged");
+			String str = String.Format("RootDesigner:OnComponentChanged <{0}> from <{1}> to <{2}>",ce.Component.ToString(),ce.OldValue,ce.NewValue);
+			LoggingService.InfoFormatted(str);
 			
-			LoggingService.Debug("RootDesigner:OnComponentChanged");
 			AbstractItem item = ce.Component as AbstractItem;
-			if (item != null) {
-				item.Name = ce.NewValue.ToString();
+			if ((item != null) && (ce.NewValue != null)) {
+					item.Name = ce.NewValue.ToString();		
 			}
 
-			
 			BaseSection section = ce.Component as BaseSection;
 			if (section != null) {
 				foreach (BaseSection s in sections)
diff --git a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/Collections/Collections.cs b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/Collections/Collections.cs
index b7abce5c7f..c4ab786efd 100644
--- a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/Collections/Collections.cs
+++ b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/Collections/Collections.cs
@@ -197,9 +197,8 @@ namespace ICSharpCode.Reports.Core{
 	
 	
 	[Serializable()]
-//	public class SortColumnCollection: Collection<SortColumn>{
 	public class SortColumnCollection: ColumnCollection
-		{
+	{
 		public SortColumnCollection()
 		{
 		}
@@ -234,13 +233,20 @@ namespace ICSharpCode.Reports.Core{
 	
 	
 	[Serializable()]
-
 	public class GroupColumnCollection: SortColumnCollection
 	{
 		public GroupColumnCollection()
 		{
 		}
 		
+		public AbstractColumn Find (string columnName)
+		{
+			if (String.IsNullOrEmpty(columnName)) {
+				throw new ArgumentNullException("columnName");
+			}
+			
+			return this.FirstOrDefault(x => 0 == String.Compare(x.ColumnName,columnName,true));
+		}
 	}
 	
 	
diff --git a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/DataManager/ListStrategy/BaseListStrategy.cs b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/DataManager/ListStrategy/BaseListStrategy.cs
index f5c334dd03..5ecc131b2d 100644
--- a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/DataManager/ListStrategy/BaseListStrategy.cs
+++ b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/DataManager/ListStrategy/BaseListStrategy.cs
@@ -62,21 +62,6 @@ namespace ICSharpCode.Reports.Core {
 		#endregion
 		
 		
-		
-		protected static Collection<AbstractColumn> CreateSortCollection (SortColumnCollection items)
-		{
-			
-				Collection<AbstractColumn> abstrCol = new Collection<AbstractColumn>();
-				foreach(SortColumn sc in items)
-				{
-					abstrCol.Add(sc);
-				}
-				return abstrCol;
-		
-		}
-
-		
-		
 		public IndexList IndexList
 		{
 			get {
diff --git a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/ReportSettings.cs b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/ReportSettings.cs
index 7d953bffca..498a526a2a 100644
--- a/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/ReportSettings.cs
+++ b/src/AddIns/Misc/Reports/ICSharpCode.Reports.Core/Project/ReportSettings.cs
@@ -49,7 +49,7 @@ namespace ICSharpCode.Reports.Core{
 	
 		private ParameterCollection parameterCollection;
 		private AvailableFieldsCollection availableFields;
-		private ColumnCollection groupingsCollection;
+		private GroupColumnCollection groupingsCollection;
 		private SortColumnCollection sortingCollection;
 
 		
@@ -104,7 +104,7 @@ namespace ICSharpCode.Reports.Core{
 			this.RightMargin = GlobalValues.DefaultPageMargin.Right;
 			
 			this.availableFields = new AvailableFieldsCollection();
-			this.groupingsCollection = new ColumnCollection();
+			this.groupingsCollection = new GroupColumnCollection();
 			this.sortingCollection = new SortColumnCollection();
 			this.parameterCollection = new ParameterCollection();
 			this.NoDataMessage = "No Data for this Report";
@@ -230,7 +230,7 @@ namespace ICSharpCode.Reports.Core{
 		
 		
 		[Category("Sorting/Grouping")]
-		public ColumnCollection GroupColumnsCollection {
+		public GroupColumnCollection GroupColumnsCollection {
 			get {
 				return groupingsCollection;
 			}