如:if DBGrid1.SelectedField.FieldName = 'iYear' //在指定列离开之后实现另一列显示,但无法显示,不知为何? then
begin
showmessage('bbb');
dbgrid1.Columns[1].Visible:=true ;//这行无法实现 ,代码写在button内就可以实现
end;
begin
showmessage('bbb');
dbgrid1.Columns[1].Visible:=true ;//这行无法实现 ,代码写在button内就可以实现
end;
procedure TForm1.Button13Click(Sender: TObject);
var
i,j:Integer;
begin
if self.DBGrid2.SelectedField.FieldName='iYear'then
begin
i:=self.DBGrid2.Columns.Count;
for j:=0 to i-1 do
begin
if self.DBGrid2.Columns[j].FieldName='bbb' then
begin
self.DBGrid2.Columns[j].Visible:=True;
Break;
end;
end;
end
else
begin
i:=self.DBGrid2.Columns.Count;
for j:=0 to i-1 do
begin
if self.DBGrid2.Columns[j].FieldName='bbb' then
begin
self.DBGrid2.Columns[j].Visible:=False;
Break;
end;
end;
end;
end;