主题：网格线请教

只能这样，比如

Dim t As Table = Tables("表A")
Dim cs1 As C1.Win.C1FlexGrid.CellStyle = t.grid.Styles.Add("cs2")
cs1.Border.Color = Color.Red
For i As Integer = t.TopPosition To t.BottomPosition
    For j As Integer = t.LeftCol To t.RightCol
        t.grid.SetCellStyle(i+1, j+1, cs1)
    Next
Next