ReportGraph SetBorderColor Method Kentico 8.0 API Reference
For historical reasons border color is black if not set. Deny border display by set border style to not set.

Namespace: CMS.Reporting
Assembly: CMS.Reporting (in CMS.Reporting.dll) Version: 8.0.0.0 (8.0.5239.26125)

Return Value

Type: OnlineColor
See Also