我有一個數據表,我想要綁定到圖表的2列。 Visifire示例顯示使用observablecollection的示例,但我不知道如何將datatable與observablecollection關聯(我認爲這是我的問題)。我創建了一個可視化樣本。我正在使用Visifire作爲圖表。綁定數據集到圖表
public MainWindow()
{
InitializeComponent();
dtBandwidth = dsBandwidth.Tables.Add();
dtBandwidth.Columns.Add("ID", typeof(int));
dtBandwidth.Columns.Add("Time", typeof(double));
dtBandwidth.Columns.Add("Value", typeof(double));
dataGrid1.ItemsSource = dtBandwidth.DefaultView;
DataSeries ds = new DataSeries();
ds.RenderAs = RenderAs.Line;
ds.DataSource = dtBandwidth???; //i know this is wrong. what should i do?
DataMapping dm = new DataMapping();
dm.MemberName = "XValue";
dm.Path = "Time";
ds.DataMappings.Add(dm);
dm = new DataMapping();
dm.MemberName = "YValue";
dm.Path = "Value";
ds.DataMappings.Add(dm);
chart1.Series.Add(ds);
chart1.DataContext = dtBandwidth???; //i know this is wrong. what should i do?
}
private void button1_Click(object sender, RoutedEventArgs e)
{
dtBandwidth.Rows.Add(1, 1.0, 5.2);
dtBandwidth.Rows.Add(2, 2.1, 5.1);
dtBandwidth.Rows.Add(3, 3.2, 5.3);
dtBandwidth.Rows.Add(4, 4.3, 5.4);
dtBandwidth.Rows.Add(5, 5.4, 5.5);
}
這裏是xaml。
<Grid>
<DataGrid AutoGenerateColumns="True" Height="311" HorizontalAlignment="Left" Name="dataGrid1" VerticalAlignment="Top" Width="143" />
<my:Chart HorizontalAlignment="Left" Margin="149,0,0,0" Name="chart1" VerticalAlignment="Top" Height="311" Width="354" />
<Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="186,328,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" />
</Grid>
我曾嘗試要求在官方的Visifire論壇,但支持的人只是普通懶惰(這跟我看樣品時,我沒有告訴他們我已經看樣品。另外,部分代碼從樣本中複製)。
這種事情讓我想溝通visifire並尋找替代品,最好有良好的文檔和支持。任何建議都是值得歡迎的。