Sets or returns a object representing the color of the gridlines in the worksheet.

 public Color GridlinesColor{ get; set; }
Public Property GridlinesColor() As Color

          //--- Get GridlinesColor
          Color gridColor = ws.GridlinesColor;

          //--- Set GridlinesColor
          ws.GridlinesColor = wb.Palette.GetClosestColor(System.Drawing.Color.Blue);
        

          '--- Get GridlinesColor
          Dim gridColor As Color = ws.GridlinesColor

          '--- Set GridlinesColor
          ws.GridlinesColor = wb.Palette.GetClosestColor(System.Drawing.Color.Blue)