DefaultAxis Property

Gets or sets an Axis object whose properties will trickle down to all other axes on the chart unless otherwise specified.

[Visual Basic]
Public Property DefaultAxis As Axis

[C#]
public Axis DefaultAxis {get; set;}

[C#]

Axis AxisObj = new Axis(); 
 AxisObj.Line.Color = Color.Yellow;     
 AxisObj.Line.Width = 3; 
 Chart.DefaultAxis = AxisObj;

[Visual Basic]

Dim AxisObj As Axis  = new Axis()

AxisObj.Line.Color = Color.Yellow

AxisObj.Line.Width = 3

Chart.DefaultAxis = AxisObj