我有以下代码:
protected void SetChartToItem(Item item)
{
ShieldChart1 = new ShieldChart();
ShieldChart1.Width = Unit.Percentage(100);
ShieldChart1.Height = Unit.Pixel(400);
ShieldChart1.CssClass = "chart";
ShieldChart1.PrimaryHeader.Text = item.name;
ShieldChart1.TooltipSettings.AxisMarkers.Enabled = true;
ShieldChart1.TooltipSettings.AxisMarkers.Mode = ChartXYMode.XY;
ShieldChart1.TooltipSettings.AxisMarkers.Width = new Unit(1);
ShieldChart1.TooltipSettings.AxisMarkers.ZIndex = 3;
ChartAxisX axisX = new ChartAxisX();
axisX.Title.Text = "Times";
ShieldChart1.Axes.Add(axisX);
ChartAxisY axisY = new ChartAxisY();
axisY.Title.Text = "Prices";
ShieldChart1.Axes.Add(axisY);
ShieldChart1.Axes.SetDirty();
}
和以下代码:
<shield:ShieldChart ID="ShieldChart1" Width="700px" Height="380px" runat="server" OnTakeDataSource="ShieldChart1_TakeDataSource" CssClass="chart">
<PrimaryHeader Text="TestHeader"></PrimaryHeader>
<ExportOptions AllowExportToImage="true" AllowPrint="false" />
<Axes>
<shield:ChartAxisX>
<Title Text="Time"></Title>
</shield:ChartAxisX>
<shield:ChartAxisY>
<Title Text="Price"></Title>
</shield:ChartAxisY>
</Axes>
<DataSeries>
<shield:ChartLineSeries DataFieldY="Volume" DataFieldX="Timer" CollectionAlias="Volume">
<Settings EnablePointSelection="true">
<PointMark>
<ActiveSettings>
<PointSelectedState DrawWidth="4" DrawRadius="4" />
</ActiveSettings>
</PointMark>
</Settings>
</shield:ChartLineSeries>
<shield:ChartLineSeries DataFieldY="Price" DataFieldX="Timer" CollectionAlias="Price">
<Settings EnablePointSelection="true">
<PointMark>
<ActiveSettings>
<PointSelectedState DrawWidth="4" DrawRadius="4" />
</ActiveSettings>
</PointMark>
</Settings>
</shield:ChartLineSeries>
</DataSeries>
</shield:ShieldChart>
当我调用SetChartToItem时,当我逐步查看SetChartToItem时,它似乎可以工作,但是当页面呈现时,实际的ShieldChart并没有更改。当我删除ShieldChart1 = new ShieldChart();行时,可能会有更多帮助。那么整个ShieldChart将会消失。
最佳答案
我相信有两种方法可以解决这个问题。
如本示例所示,一种方法是重新创建图表:
https://demos.shieldui.com/aspnet/rangebar-chart/related-charts
您可以签出asp.net标签。
另一种选择是在托管图表的嵌套面板中重新创建控件集合(并在此之前清除它)。然后,在特定事件上,您可以重新创建图表,清除容器的控件集合并添加新实例。
关于c# - ShieldUI将不接受更新的属性,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/45028662/