How to avoid A, B, C and 1, 2, 3 in the Headers in WinForms GridControl?
Remove row and column header value
By Default, Grid control’s column headers and row headers have values A, B, C... and 1, 2, 3 . . . These header values can be controlled by using the NumberedColHeaders and NumberedRowHeaders properties in the Model. Options.
//To avoid Numbered ColumnHeaders
gridControl1.Model.Options.NumberedColHeaders = false;
//To avoid Numbered RowHeaders
gridControl1.Model.Options.NumberedRowHeaders = false;'To avoid Numbered ColumnHeaders
gridControl1.Model.Options.NumberedColHeaders = False
'To avoid Numbered RowHeaders
gridControl1.Model.Options.NumberedRowHeaders = FalseThe Screenshot below illustrates the avoidance of numbered headers in the Grid.

Samples: