Visifire for WPF数据绑定多个数据序列

作者:控件中国网   出处:控件中国网   2015-08-03 10:27:21   阅读:15

Visifire for WPF既可以设计时设计图表,也可以完全从运行时通过代码进行图表的设置和绑定,这篇文章主要介绍如何通过代码对数据序列进行数据绑定,具体可以参考下面的代码:

1. XAML文件里进行如下设置
<vc:Chart Name="MyChart" Width="500" Height="300" Theme="Theme1">
</vc:Chart>
2.在CS文件里添加如下代码:
public partial class Page : UserControl
 {
        public Page()
        {
            InitializeComponent();
 
            for (Int32 i = 0; i < 10; i++)
            {
                values1.Add(new KeyValuePair<double, double>(i, i + 1));
                values2.Add(new KeyValuePair<double, double>(i, i + 3));
            }
 
            DataSeries ds1 = new DataSeries();
            ds1.DataSource = values1;
 
            DataMapping dm1 = new DataMapping();
            dm1.MemberName = "XValue";
            dm1.Path = "Key";
            ds1.DataMappings.Add(dm1);
 
            dm1 = new DataMapping();
            dm1.MemberName = "YValue";
            dm1.Path = "Value";
            ds1.DataMappings.Add(dm1);
 
            MyChart.Series.Add(ds1);
 
            DataSeries ds2 = new DataSeries();
            ds2.RenderAs = RenderAs.Line;
            ds2.DataSource = values2;
 
            DataMapping dm2 = new DataMapping();
            dm2.MemberName = "XValue";
            dm2.Path = "Key";
            ds2.DataMappings.Add(dm2);
 
            dm2 = new DataMapping();
            dm2.MemberName = "YValue";
            dm2.Path = "Value";
            ds2.DataMappings.Add(dm2);
 
            MyChart.Series.Add(ds2);
         }
       
        Random rand = new Random();
 
        ObservableCollection<KeyValuePair<Double,Double>> values1 = new ObservableCollection<KeyValuePair<double, double>>();
 
        ObservableCollection<KeyValuePair<Double,Double>> values2 = new ObservableCollection<KeyValuePair<double, double>>();
 
    }
}

3. 运行效果如下:
image19.jpg

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