winform的烛台radchart数据绑定 [英] candlestick radchart databinding for winform
问题描述
ChartSeries series = new ChartSeries();
ChartSeriesItem item = new ChartSeriesItem();
item.XValue = DateTime.Now;
item.YValue = 22.1;
item.YValue2 = 22.3;
item.YValue3 = 22.5;
item.YValue4 = 22.6; < br $>
cs.AddItem(item);
你在上面的代码XValue中看到它因为它而出错只接受双倍。
任何人都可以告诉我如何在日期格式的chartseriesitem中更改格式。
ChartSeries series=new ChartSeries();
ChartSeriesItem item = new ChartSeriesItem();
item.XValue = DateTime.Now;
item.YValue = 22.1;
item.YValue2 = 22.3;
item.YValue3 = 22.5;
item.YValue4 = 22.6;
cs.AddItem(item);
You see in above code XValue it get error because of it only acceptance double.
Can anyone tell me how change format in chartseriesitem in date format.
推荐答案
你可以使用DateTime.ToOADate()。来自链接的MSDN主题:
you can use DateTime.ToOADate(). From the linked MSDN topic:
double start = (zoom_time.AddMinutes(-1)).ToOADate();
double end = (zoom_time.AddMinutes(1)).ToOADate();
chart1.ChartAreas[0].AxisX.Minimum = start;
chart1.ChartAreas[0].AxisX.Maximum = end;
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