diff --git a/samples/grids/grid/data-summary-template/App.razor b/samples/grids/grid/data-summary-template/App.razor
index 0b13b0bf8..f024a5dc6 100644
--- a/samples/grids/grid/data-summary-template/App.razor
+++ b/samples/grids/grid/data-summary-template/App.razor
@@ -143,8 +143,8 @@
     {
         bool newValue = bool.Parse(args.NewValue.ToString());
 
-        var column1 = this.grid.ActualColumnList[3];
-        var column2 = this.grid.ActualColumnList[5];
+        var column1 = this.grid.GetColumns().ElementAt(3);
+        var column2 = this.grid.GetColumns().ElementAt(5);
 
         column1.HasSummary = newValue;
         column2.HasSummary = newValue;
diff --git a/samples/grids/grid/finjs/App.razor b/samples/grids/grid/finjs/App.razor
index 239646ed9..5cf30b1a2 100644
--- a/samples/grids/grid/finjs/App.razor
+++ b/samples/grids/grid/finjs/App.razor
@@ -491,7 +491,7 @@
     public void OnCellClick(IgbGridCellEventArgs e)
     {
         int colIndex = e.Detail.Cell.Id.ColumnID;
-        IgbColumn column = grid1.ActualColumnList.ElementAt(colIndex);
+        IgbColumn column = grid1.GetColumns().ElementAt(colIndex);
         if (column.Field == "Chart")
         {
             string key = e.Detail.Cell.Id.RowID;
diff --git a/samples/grids/grid/multi-column-headers-overview/App.razor b/samples/grids/grid/multi-column-headers-overview/App.razor
index 318c8acca..d8fde4497 100644
--- a/samples/grids/grid/multi-column-headers-overview/App.razor
+++ b/samples/grids/grid/multi-column-headers-overview/App.razor
@@ -150,13 +150,13 @@
 
     public void WebGridPinFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.grid.ActualColumnList[1];
+        var columnGroup = this.grid.GetColumns().ElementAt(1);
         columnGroup.Pinned = !columnGroup.Pinned;
     }
 
     public void WebGridHideFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.grid.ActualColumnList[1];
+        var columnGroup = this.grid.GetColumns().ElementAt(1);
         columnGroup.Hidden = !columnGroup.Hidden;
     }
 
diff --git a/samples/grids/hierarchical-grid/data-summary-template/App.razor b/samples/grids/hierarchical-grid/data-summary-template/App.razor
index 50259a69c..e3d0e9b60 100644
--- a/samples/grids/hierarchical-grid/data-summary-template/App.razor
+++ b/samples/grids/hierarchical-grid/data-summary-template/App.razor
@@ -202,9 +202,9 @@
         bool newValue = bool.Parse(args.NewValue.ToString());
 
         var hierarchicalGrid = this.hierarchicalGrid;
-        var column1 = hierarchicalGrid.ActualColumnList[1];
-        var column2 = hierarchicalGrid.ActualColumnList[3];
-        var column3 = hierarchicalGrid.ActualColumnList[4];
+        var column1 = hierarchicalGrid.GetColumns().ElementAt(1);
+        var column2 = hierarchicalGrid.GetColumns().ElementAt(3);
+        var column3 = hierarchicalGrid.GetColumns().ElementAt(4);
 
         column1.HasSummary = newValue;
         column2.HasSummary = newValue;
diff --git a/samples/grids/hierarchical-grid/multi-column-headers-overview/App.razor b/samples/grids/hierarchical-grid/multi-column-headers-overview/App.razor
index d93af74c6..6130e0ec4 100644
--- a/samples/grids/hierarchical-grid/multi-column-headers-overview/App.razor
+++ b/samples/grids/hierarchical-grid/multi-column-headers-overview/App.razor
@@ -296,13 +296,13 @@
 
     public void WebHierarchicalGridPinFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.hierarchicalGrid.ActualColumnList[1];
+        var columnGroup = this.hierarchicalGrid.GetColumns().ElementAt(1);
         columnGroup.Pinned = !columnGroup.Pinned;
     }
 
     public void WebHierarchicalGridHideFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.hierarchicalGrid.ActualColumnList[1];
+        var columnGroup = this.hierarchicalGrid.GetColumns().ElementAt(1);
         columnGroup.Hidden = !columnGroup.Hidden;
     }
 
diff --git a/samples/grids/tree-grid/data-summary-template/App.razor b/samples/grids/tree-grid/data-summary-template/App.razor
index 8d5a93d2d..68bdde4b2 100644
--- a/samples/grids/tree-grid/data-summary-template/App.razor
+++ b/samples/grids/tree-grid/data-summary-template/App.razor
@@ -117,9 +117,9 @@
         bool newValue = bool.Parse(args.NewValue.ToString());
 
         var treeGrid = this.treeGrid;
-        var column1 = treeGrid.ActualColumnList[1];
-        var column2 = treeGrid.ActualColumnList[2];
-        var column3 = treeGrid.ActualColumnList[4];
+        var column1 = treeGrid.GetColumns().ElementAt(1);
+        var column2 = treeGrid.GetColumns().ElementAt(2);
+        var column3 = treeGrid.GetColumns().ElementAt(4);
 
         column1.HasSummary = newValue;
         column2.HasSummary = newValue;
diff --git a/samples/grids/tree-grid/multi-column-headers-overview/App.razor b/samples/grids/tree-grid/multi-column-headers-overview/App.razor
index cc324d1ef..e51040807 100644
--- a/samples/grids/tree-grid/multi-column-headers-overview/App.razor
+++ b/samples/grids/tree-grid/multi-column-headers-overview/App.razor
@@ -152,13 +152,13 @@
 
     public void WebTreeGridPinFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.treeGrid.ActualColumnList[1];
+        var columnGroup = this.treeGrid.GetColumns().ElementAt(1);
         columnGroup.Pinned = !columnGroup.Pinned;
     }
 
     public void WebTreeGridHideFirstGroupToggle(IgbPropertyEditorPropertyDescriptionButtonClickEventArgs args)
     {
-        var columnGroup = this.treeGrid.ActualColumnList[1];
+        var columnGroup = this.treeGrid.GetColumns().ElementAt(1);
         columnGroup.Hidden = !columnGroup.Hidden;
     }