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C# Infragistics xamChart数据从数据表中绑定datetime列?_C#_Wpf_Data Binding_Charts_Infragistics - Fatal编程技术网

C# Infragistics xamChart数据从数据表中绑定datetime列?

C# Infragistics xamChart数据从数据表中绑定datetime列?,c#,wpf,data-binding,charts,infragistics,C#,Wpf,Data Binding,Charts,Infragistics,需要通过xamChart以以下格式显示数据: time | v1 | v2 | ... | vn -------+-----+-----+- -+----- t1 | | | ... | t2 | | | ... | ... . . . ... . tm | | | ... | 其中,v1-vn是设计时未知的标签(n也是未知的)t1-tm是我想要的X轴上的日期时间值。其

需要通过xamChart以以下格式显示数据:

time   | v1  | v2  | ... | vn
-------+-----+-----+-   -+-----
t1     |     |     | ... |       
t2     |     |     | ... |  
...    .     .     . ... . 
tm     |     |     | ... |
其中,
v1-vn
是设计时未知的标签(n也是未知的)
t1-tm
是我想要的X轴上的日期时间值。其他单元格包含一些数字

我需要的是一个像下面这样的图表,但是时间是X轴标签,而不仅仅是索引

以下是我使用的代码:

foreach (var column in dataTable.Columns.OfType<DataColumn>().Skip(1))
{
    var s = new Series
                {
                    DataSource = dataTable,
                    DataMapping = column.ColumnName,
                    ChartType = ChartType.Line,
                    Label = column.ColumnName,
                };

    queriesChart.Series.Add(s);
}
foreach(dataTable.Columns.OfType()中的var列。跳过(1))
{
var s=新系列
{
数据源=数据表,
DataMapping=column.ColumnName,
ChartType=ChartType.Line,
Label=column.ColumnName,
};
queriesChart.Series.Add;
}

您可以使用带有标签数据模板的CategoryDateTimeAxis和XamDataChart来完成这一点:

<ig:CategoryDateTimeXAxis 
    x:Name="xmXAxis" 
    DateTimeMemberPath="Label"  
    ItemsSource="{Binding}" 
    Label="{StaticResource XAxisLabelTemplate }">
<DataTemplate x:Key="XAxisLabelTemplate">
    <StackPanel Orientation="Vertical">
        <TextBlock Text="{Binding Item.Date, Converter={StaticResource igStringFormatConverter}, ConverterParameter=MM/dd/yy}" 
                    TextAlignment="Center" Foreground="#CCCCCC" Height="15" Width="65" Margin="0,4,0,0"/>                 
        <TextBlock Text="{Binding Item, Converter={StaticResource igStringFormatConverter}, ConverterParameter=T}"
                    TextAlignment="Center" Foreground="#CCCCCC" Height="15" Width="65"/>
    </StackPanel>   
</DataTemplate>
class igStringFormatConverter : IValueConverter
{
    #region IValueConverter Members

    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        DateTime dt = (DateTime)value;
        string fmtDt = String.Format("{0:" + parameter.ToString() + "}", dt);          
        return fmtDt;
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        throw new NotImplementedException();
    }

    #endregion
}