Thanks Yeray, it is all working much better now. You were right. iIt was the labels and the increment value which were causing me issues. Thanks again, Sean

Hi, yes I use a series of Y values for the left axis and a different series of Y values for the right axis. In the chart above, it is 10ths of concentration of ice on the left and thickness of the ice on the right. I can't lock the scales as I allow users the option to select any series they want to...

I tried working with earlier advice to other user where I assign the max and min values for the yleft and yright but instead of a value pumped into my spin edit control, it looks like maybe a pixel value? How do I put in the max value. For instance, in the left axis, the min is 0 and the max is 10. ...

That worked perfectly, thanks for your time and great support, Sean

Hi, thanks for the advice but no change. It appears to use the system time despite setting the label format in code as you suggested. Any other ideas? Thanks, Sean ----------------------------- TRY Series1.ParentChart:=DBChart1; Series1.DataSource:=qryDateSelectData; Series2.ParentChart:=DBChart1; S...

D 2009 Professional How do I or where do I set the date format for the X Axis to be 'dd-mmm' All else works great, thanks, Sean Series1.XLabelsSource := 'Date'; dbChart1.Axes.Bottom.DateTimeFormat:='dd-mmm'; Series1.YValues.ValueSource := CBParameter1.Text; Series2.YValues.ValueSource := CBParameter...