Ario.Paxaz Posted May 8, 2017 Share Posted May 8, 2017 Hi In UniDbGrid ,columns don't get CustomConstraint. I Create UniDbGrid in Runtime and set fields,But UniDbGrid columns don't have CustomConstraint that Field in dataset has. I write below code For i := Columns.Count - 1 DownTo 0 do Columns[i].Field.CustomConstraint:=ASource.DataSet.Fields[i].CustomConstraint; But Show below Error First chance exception at $0040BF8A. Exception class $C0000005 with message 'access violation at 0x0040bf8a: write of address 0x00000094'. Process P.exe (5616) Best Regards. Quote Link to comment Share on other sites More sharing options...
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