新增导航功能，节点操作支持多行操作

UTS_Core/UTSModule/Station/RowNodeGrid.vb

@@ -419,8 +419,6 @@ Namespace UTSModule.Station
         Public Sub AfterSelectUpdateGrid(node As RowNode, LineNumber As Integer, LineActionEn As Boolean)
             Dim col As Integer = ColNames.ColValue
             Dim textColor As Color
-            Dim idx As Integer
-
             Dim RecordNameEn As Boolean
 
             _grd.AutoRedraw = False