By default, the selected rows/columns/cells are highlighted with AlphaBlend color. The Selection Backcolor is highlighted with Black color, by changing the AllowSelection property to None. The following image illustrates the exact issue.
As per the architecture, the Selection Backcolor is removed from the graphics when changing AllowSelection to None. This article provides the information about how to resolve it.
To resolve the Selection Backcolor issue, the GridSelectionFlags.AlphaBlend property can be used along with the GridSelectionFlags.None property as GridSelectionFlags.None | GridSelectionFlags.AlphaBlend while setting the AllowSelection to None.
This is applicable for GridControl and GridDataBoundGrid also.
The following image illustrates the Selection Backcolor as a Default Selection Backcolor.
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