How to show axis line for each bar in chart? I have line only on second, fourth ...,

How to show axis line for each bar in chart? I have line only on second, fourth ...,

I found the answer:
chartArea.AxisX.MajorGrid.Interval = 1;
chartArea.AxisX.MajorTickMark.Interval = 1;
chartArea.AxisX.LabelStyle.Interval = 1;
Now it looks like:
