winfrom使用DevExpress的 ChartControl控件,添加了 多个Series,如何分别给这些Series绑定数据源
要给ChartControl控件中的多个Series绑定不同的数据源,可以按照以下步骤进行操作:
打开ChartControl控件的设计器,在Designer窗口中选中要绑定数据源的Series。
在Properties窗口中找到DataSource属性,并将其设置为要绑定的数据源(例如DataTable、DataView或BindingSource等)。
在Series的DataMember属性中指定要绑定的数据源中的数据成员,例如DataTable中的列名,或者在DataView中使用"."来表示多列绑定,
最后,调用ChartControl的DataBind()方法来使新的数据源与Series绑定,示例代码如下:
// 绑定第一个Series的数据源
chartControl1.Series["Series1"].DataSource = dataTable1;
chartControl1.Series["Series1"].DataMember = "ColumnName1";
// 绑定第二个Series的数据源
chartControl1.Series["Series2"].DataSource = bindingSource1;
chartControl1.Series["Series2"].DataMember = "ColumnName2";
// 使新的数据源与Series绑定
chartControl1.DataBind();
using DevExpress.XtraCharts;
using System;
using System.Windows.Forms;
namespace chartcontrolText
{
public partial class Form1 : DevExpress.XtraEditors.XtraForm
{
public Form1()
{
InitializeComponent();
}
private void 添加一个ChartControl控件ToolStripMenuItem_Click(object sender, EventArgs e)
{
#region
///
///ChartControl对象:chartControl1
///
ChartControl chartControl1 = new ChartControl();
chartControl1.Parent = this;
chartControl1.Dock = DockStyle.Fill;
///
///XYDiagram对象:xyDiagram1
///
XYDiagram xyDiagram1 = new XYDiagram();
///
///XYDiagramPane对象:xyDiagramPane1
///
XYDiagramPane xyDiagramPane1 = new XYDiagramPane();
XYDiagramPane xyDiagramPane2 = new XYDiagramPane();
///
///将XYDiagramPane对象:xyDiagramPane1,添加到XYDi中agram对象:xyDiagram1
///
xyDiagram1.Panes.AddRange(new XYDiagramPane[] { xyDiagramPane1, xyDiagramPane2 });
///
///Series对象:series1
///
Series series1 = new Series();
Series series2 = new Series();
Series series3 = new Series();
///
///将Series对象:series1,添加到ChartControl对象:chartControl1
///
chartControl1.SeriesSerializable = new Series[] { series1, series2, series3 };
///
///xxxSeriesView系列视图对象:lineSeriesView1
///
LineSeriesView lineSeriesView1 = new LineSeriesView();
LineSeriesView lineSeriesView2 = new LineSeriesView();
LineSeriesView lineSeriesView3 = new LineSeriesView();
///
///将xxxSeriesView系列视图对象:lineSeriesView1,绑定到对应的系列对象中,即指定系列的系列视图类型
///
series1.View = lineSeriesView1;
series2.View = lineSeriesView2;
series3.View = lineSeriesView3;
///
///以下是必不可少的,如果没有,chartControl1.Diagram = xyDiagram1;语句会报错
///语句数量由:ChartControl对象个数、Series对象个数、xxxSeriesView系列视图对象个数决定
///
((System.ComponentModel.ISupportInitialize)(chartControl1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(xyDiagram1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(xyDiagramPane1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(xyDiagramPane2)).BeginInit();
((System.ComponentModel.ISupportInitialize)(series1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(lineSeriesView1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(series2)).BeginInit();
((System.ComponentModel.ISupportInitialize)(lineSeriesView2)).BeginInit();
((System.ComponentModel.ISupportInitialize)(series3)).BeginInit();
((System.ComponentModel.ISupportInitialize)(lineSeriesView3)).BeginInit();
///
///将XYDiagramPane对象:xyDiagramPane1,添加到ChartControl对象:chartControl1中
///
chartControl1.Diagram = xyDiagram1;
///
///为具体的XY图表板添加具体的数据,即让指定的Series对象显示在具体的XY图面板中
///
xyDiagramPane1.Name = "Pane_1";
xyDiagramPane2.Name = "Pane_2";
lineSeriesView2.PaneName = xyDiagramPane1.Name;
lineSeriesView3.PaneName = xyDiagramPane2.Name;
#endregion
}
}
}
参考这个示例
public class LineChartHelp
{
#region 折线图
/// <summary>
/// 创建折线图
/// </summary>
public void CreateChart(ChartControl chart, DataTable dt, int j = 1)
{
#region Series 创建几个图形的对象
chart.Series.Clear();//清除Series
List<Series> list = new List<Series>();
for (int i = j; i < dt.Columns.Count; i++)
{
list.Add(CreateSeries(dt.Columns[i].ColumnName, ViewType.Line, dt, i));
}
#endregion
SetChart(chart, dt, list);
}
/// <summary>
/// 创建折线图
/// </summary>
public void CreateChart(ChartControl chart, DataTable dt, int j, int k)
{
chart.Series.Clear();//清除Series
List<Series> list = new List<Series>();
list.Add(CreateSeries(dt.Columns[j].ColumnName, ViewType.Line, dt, j));
list.Add(CreateSeries(dt.Columns[j + 1].ColumnName, ViewType.Line, dt, j + 1));
list.Add(CreateSeries(dt.Columns[k].ColumnName, ViewType.Line, dt, k));
list.Add(CreateSeries(dt.Columns[k + 1].ColumnName, ViewType.Line, dt, k + 1));
SetChart(chart, dt, list, true);
}
/// <summary>
/// 根据数据创建一个图形展现
/// </summary>
/// <param name="caption">图形标题</param>
/// <param name="viewType">图形类型</param>
/// <param name="dt">数据DataTable</param>
/// <param name="rowIndex">图形数据的行序号</param>
private Series CreateSeries(string caption, ViewType viewType, DataTable dt, int columnsIndex)
{
Series series = new Series(caption, viewType);
for (int i = 0; i < dt.Rows.Count; i++)
{
string argument = dt.Rows[i][0].ToString();//参数名称
if (string.IsNullOrEmpty(argument)) argument = "未分组";//当x轴参数为空,显示未分组
var value = dt.Rows[i][columnsIndex];//参数值
series.Points.Add(new SeriesPoint(argument, value));
}
//必须设置ArgumentScaleType的类型,否则显示会转换为日期格式,导致不是希望的格式显示
//也就是说,显示字符串的参数,必须设置类型为ScaleType.Qualitative
series.ArgumentScaleType = ScaleType.Qualitative;
series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;//显示标注标签
return series;
}
private void SetChart(ChartControl chart, DataTable dt, List<Series> list, bool legend = false)
{
chart.Series.AddRange(list.ToArray());
chart.Legend.Visible = false;
chart.SeriesTemplate.LabelsVisibility = DefaultBoolean.True;
SetX(chart);
List<Color> colorList = new List<Color> { Color.Red, Color.YellowGreen, Color.Green, Color.Blue, Color.Tomato, Color.BlueViolet };
if (((XYDiagram)chart.Diagram).SecondaryAxesY != null)//清空y轴
((XYDiagram)chart.Diagram).SecondaryAxesY.Clear();
for (int i = 0; i < list.Count; i++)
{
list[i].View.Color = colorList[i];
if (!legend)
CreateAxisY(chart, list[i]);
}
chart.Legend.Visible = legend;
}
/// <summary>
/// 设置x轴可缩放
/// </summary>
/// <param name="chart1"></param>
private void SetX(ChartControl chart)
{
XYDiagram diagram = (XYDiagram)chart.Diagram;
diagram.EnableAxisXScrolling = true;
diagram.EnableAxisXZooming = true;
}
/// <summary>
/// 创建图表的第二坐标系
/// </summary>
/// <param name="series">Series对象</param>
private SecondaryAxisY CreateAxisY(ChartControl chart, Series series)
{
SecondaryAxisY myAxis = new SecondaryAxisY(series.Name);
((XYDiagram)chart.Diagram).SecondaryAxesY.Add(myAxis);
((LineSeriesView)series.View).AxisY = myAxis;
myAxis.Title.Text = series.Name;
myAxis.Title.Alignment = StringAlignment.Far; //顶部对齐
myAxis.Title.Visible = true; //显示标题
myAxis.Title.Font = new Font("宋体", 9.0f);
Color color = series.View.Color;//设置坐标的颜色和图表线条颜色一致
myAxis.Title.TextColor = color;
myAxis.Label.TextColor = color;
myAxis.Color = color;
return myAxis;
}
#endregion
}
引用GPT 要给DevExpress的ChartControl控件中的多个Series绑定数据源,你可以按照以下步骤进行操作:
确保你已经添加了ChartControl控件到你的WinForms窗体中,并且已经创建了需要的Series。
获取对每个Series的引用。你可以通过ChartControl.Series属性来获取Series集合,然后使用索引或名称来访问特定的Series对象。例如,如果你有两个Series,可以使用chartControl1.Series[0]
和chartControl1.Series[1]
来获取它们的引用。
准备数据源。根据你的需求,准备好要绑定到每个Series的数据源。这可以是一个DataTable、一个List对象或任何其他支持数据绑定的数据结构。
绑定数据源。使用Series的DataSource属性来绑定数据源。将准备好的数据源分别赋值给每个Series的DataSource属性。例如,如果你有一个名为"series1"的Series对象,并且你的数据源是一个DataTable对象,可以使用以下代码进行绑定:
series1.DataSource = dataTable;
或者,如果你的数据源是一个List对象,可以使用以下代码进行绑定:
series1.DataSource = list;
series1.ArgumentDataMember = "Column1";
series1.ValueDataMembers.AddRange(new string[] { "Column2" });
chartControl1.RefreshData();
通过以上步骤,你就可以将不同的数据源分别绑定到DevExpress的ChartControl控件中的多个Series了。
请参考以下代码:
ChartControl chartControl1 = new ChartControl();
this.Controls.Add(chartControl1);
List<DataPoint> dataSource1 = new List<DataPoint>
{
new DataPoint("Category A", 10),
new DataPoint("Category B", 20),
new DataPoint("Category C", 15),
};
List<DataPoint> dataSource2 = new List<DataPoint>
{
new DataPoint("Category A", 5),
new DataPoint("Category B", 15),
new DataPoint("Category C", 8),
};
Series series1 = new Series("Series 1", ViewType.Bar);
Series series2 = new Series("Series 2", ViewType.Bar);
series1.DataSource = dataSource1;
series2.DataSource = dataSource2;
series1.ArgumentDataMember = "Category";
series1.ValueDataMembers.AddRange("Value");
series2.ArgumentDataMember = "Category";
series2.ValueDataMembers.AddRange("Value");
chartControl1.Series.AddRange(new Series[] { series1, series2 });
```c#