Axis.MajorGrid Property
Gets or sets a Grid object used to set the major grid line properties for an axis.
Namespace: System.Windows.Forms.DataVisualization.Charting
Assembly: System.Windows.Forms.DataVisualization (in System.Windows.Forms.DataVisualization.dll)
Major grid lines are always drawn in conjunction with a data point. That is, they will occur at the same point along an axis as a data point, for categorical axis tick marks. For value axes, major grid lines by default are drawn wherever labels occur.
You can use this property to change major grid line frequency, color, and so forth.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.