save grid filter when opening validator

app/TaskFlow/ClassRefreshHelper.vb

@@ -29,6 +29,8 @@ Public Class RefreshHelper
 
     Private Property _VisibleRowIndex As Integer = -1
 
+    Private Property _CurrentFilter As String
+
     Private ReadOnly Property ExpansionViewInfoList() As New List(Of RowInfo)
     Private ReadOnly Property SelectionViewInfoList() As New List(Of RowInfo)
     Private ReadOnly Property ExpandedMasterRowList() As New List(Of Object)
@@ -45,6 +47,7 @@ Public Class RefreshHelper
             SaveExpansionViewInfo()
             SaveSelectionViewInfo()
             SaveVisibleIndex()
+            SaveGridFilter()
         Catch ex As Exception
             _Logger.Error(ex)
         End Try
@@ -56,6 +59,7 @@ Public Class RefreshHelper
             LoadExpansionViewInfo()
             LoadSelectionViewInfo()
             LoadVisibleIndex()
+            LoadGridFilter()
         Catch ex As Exception
             _Logger.Error(ex)
         End Try
@@ -181,6 +185,14 @@ Public Class RefreshHelper
         Next
     End Sub
 
+    Private Sub SaveGridFilter()
+        '_CurrentFilter = _View.ActiveFilterString
+    End Sub
+
+    Private Sub LoadGridFilter()
+        '_View.ActiveFilterString = _CurrentFilter
+    End Sub
+
     Private Sub SaveVisibleIndex()
         _VisibleRowIndex = _View.GetVisibleIndex(_View.FocusedRowHandle) - _View.TopRowIndex
     End Sub