Since you have many datapoints on your chart the XAxis is trying to visualize Label for each XValue you have. You can control the label step of the XAxis by using LabelStep property. It specifies the value indicating that only one out of n-axis
labels should be visible, where n
is the value of the property. For example if you want label on every 4 steps you can do this:
RadChart1.PlotArea.XAxis.LabelStep = 2;
the Telerik team
Q1’11 SP1 of RadControls for WinForms is available for download
; also available is the Q2'11 Roadmap
for Telerik Windows Forms controls.