OnAddFieldQuery
Occur before each TField is added as new Column into Grid (when TDataSet is open, and there are no existing columns added).property OnAddFieldQuery: TNxAddFieldQueryEvent read FOnAddFieldQuery write FOnAddFieldQuery;ColumnClass and Accept parameters can be modified.
Parameters
- Field
- TField
Field being added. - ColumnClass
- TNxColumnClass
Class of column which will be added. - Accept
- Boolean
Specifies whether Field will be added (or skipped).
Example:
procedure TForm1.NextDBGrid61AddFieldQuery(Sender: TObject; Field: TField;
var ColumnClass: TNxColumnClass; var Accept: Boolean);
begin
if Field.FieldName = 'Progress' then
begin
Field.DisplayLabel := 'Header Caption';
ColumnClass := TNxDBTrackbarColumn6;
end;
end;