如何从最多到最少呈现 Dundas 条形图？
如何按从最多到最少的顺序排列条形图系列？在绑定之前对数据进行排序似乎没有帮助。
我的代码：
chart.Series.Add("port");
chart.Series["port"].Type = SeriesChartType.Bar;
chart.Series["port"]["PointWidth"] = "0.6";
chart.Series["port"]["BarLabelStyle"] = "Center";
chart.Series["port"].ShowLabelAsValue = true;
chart.Series["port"].Points.DataBind(myData, "Key", "Value", "Label=Value{p2}");
chart.Series["port"].BorderStyle = ChartDashStyle.Solid;
chart.Series["port"].BorderColor = Color.White;
chart.Series["port"].BorderWidth = 1;
chart.Series["port"].ShowLabelAsValue = true;
chart.Series["port"].Font = myfont;
chart.ChartAreas.Add("Default");
chart.ChartAreas["Default"].BackColor = Color.Transparent;
foreach (var axis in chart.ChartAreas["Default"].Axes)
{
axis.LabelStyle.Font = myfont;
axis.MajorGrid.Enabled = false;
}
chart.ChartAreas["Default"].AxisX.Interval = 1;
chart.ChartAreas["Default"].AxisY.LabelStyle.Format = "p0";
How does one order the bar chart series to render from most to least? Ordering the data before binding does not seem to help.
My code:
chart.Series.Add("port");
chart.Series["port"].Type = SeriesChartType.Bar;
chart.Series["port"]["PointWidth"] = "0.6";
chart.Series["port"]["BarLabelStyle"] = "Center";
chart.Series["port"].ShowLabelAsValue = true;
chart.Series["port"].Points.DataBind(myData, "Key", "Value", "Label=Value{p2}");
chart.Series["port"].BorderStyle = ChartDashStyle.Solid;
chart.Series["port"].BorderColor = Color.White;
chart.Series["port"].BorderWidth = 1;
chart.Series["port"].ShowLabelAsValue = true;
chart.Series["port"].Font = myfont;
chart.ChartAreas.Add("Default");
chart.ChartAreas["Default"].BackColor = Color.Transparent;
foreach (var axis in chart.ChartAreas["Default"].Axes)
{
axis.LabelStyle.Font = myfont;
axis.MajorGrid.Enabled = false;
}
chart.ChartAreas["Default"].AxisX.Interval = 1;
chart.ChartAreas["Default"].AxisY.LabelStyle.Format = "p0";
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您需要对系列调用 Sort()，请参阅 http://msdn.microsoft .com/en-us/library/dd455394.aspx。因此，要从最多到最少对点进行排序，您可以
使用其他两种排序方法，以防您需要按点值以外的其他内容进行排序。
You need to call Sort() on the series, see http://msdn.microsoft.com/en-us/library/dd455394.aspx. So to sort the points from most to least you'd do
There are two other sort methods incase you need to sort by something other than the point value.