procedure TForm1.Button1Click(Sender: TObject);
begin
if SpinEdit1=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime) then
edit1.text:=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime);
end;
end.
错:
[Error] Unit1.pas(40): Incompatible types: 'String' and 'TSpinEdit'
[Fatal Error] Project1.dpr(5): Could not compile used unit 'Unit1.pas'
begin
if SpinEdit1=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime) then
edit1.text:=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime);
end;
end.
错:
[Error] Unit1.pas(40): Incompatible types: 'String' and 'TSpinEdit'
[Fatal Error] Project1.dpr(5): Could not compile used unit 'Unit1.pas'
procedure TForm1.Button1Click(Sender: TObject);
var SpinEdit1:datetime;
begin
if SpinEdit1=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime) then
edit1.text:=datetostr(formatdatetime('MM',Table1.FieldByName('日期').AsDateTime));
end;
end.
if SpinEdit1.text=formatdatetime('MM',Table1.FieldByName('日期').AsDateTime) then
edit1.text:=datetostr(formatdatetime('MM',Table1.FieldByName('日期').AsDateTime));
类型不匹配