组件:DBChart
procedure TForm1.btn1Click(Sender: TObject);
begin
Series1.XLabelsSource:=cbb1.Items[cbb1.ItemIndex];
Series1.XValues.ValueSource:=cbb1.Items[cbb1.ItemIndex];
Series1.YValues.ValueSource:=cbb2.Items[cbb2.ItemIndex];
end;
end.
可是如果在数据库里输入中文时显示: ''is not a valid floating value,怎么办?
procedure TForm1.btn1Click(Sender: TObject);
begin
Series1.XLabelsSource:=cbb1.Items[cbb1.ItemIndex];
Series1.XValues.ValueSource:=cbb1.Items[cbb1.ItemIndex];
Series1.YValues.ValueSource:=cbb2.Items[cbb2.ItemIndex];
end;
end.
可是如果在数据库里输入中文时显示: ''is not a valid floating value,怎么办?
解决方案 »
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