with DBChart do
begin
Series1.DataSource:=CDSData;
Series1.XLabelsSource:= 'CreateTime';
Series1.YValues.ValueSource := 'Roll';
end;
Roll 字段在数据库里面保存的是温度 如:-27C;
程序报错:
怎么设置Y轴的值啊?
...全文
88518打赏收藏
Delphi DBChart Y轴的值
with DBChart do begin Series1.DataSource:=CDSData; Series1.XLabelsSource:= 'CreateTime'; Series1.YValues.ValueSource := 'Roll'; end; Roll 字段在数据库里面保存的是温度 如:-27C; 程序报错: 怎么设置Y轴的值啊?
with DBChart do
begin
Series1.DataSource:=CDSData;
Series1.XLabelsSource:= 'CreateTime';
Series1.YValues.ValueSource := Copy(CDSData.fieldbyname('Roll').AsString,2,2);
end;