50求在mschart添加多个Y轴

yekanet 2011-03-04 01:43:30

我想多添加两条Y轴，并把X的时间放在上面（默认在下面), 请问怎么设置？？

效果如下图，

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zhlhoney 2011-12-20

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[Quote=引用 2 楼 anbin0814 的回复:]
C# code

protected void Page_Load(object sender, System.EventArgs e)
{
// Populate series with random data of different scale
Random random = new Random()……
[/Quote]

X轴对应不上怎么办？

zhlhoney 2011-12-18

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[Quote=引用 3 楼 yekanet 的回复:]
怎么把X轴的时间放在上面（默认在下面)呢？？？
[/Quote]

我也遇到这个问题，请问介个问题解决了没啊？

zhlhoney 2011-12-17

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我怎么就找不到这样的例子呢？求具体地址。

anbin0814 2011-03-14

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[Quote=引用 3 楼 yekanet 的回复:]
怎么把X轴的时间放在上面（默认在下面)呢？？？
[/Quote]

mschart列子里面也有啊，你一个一个去看就知道了

anbin0814 2011-03-04

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protected void Page_Load(object sender, System.EventArgs e)

		{

			// Populate series with random data of different scale

			Random		random = new Random();

			DateTime	date = DateTime.Now.Date;

			for(int pointIndex = 0; pointIndex < 13; pointIndex++)

			{

				Chart1.Series["Series1"].Points.AddXY(date, random.Next(5,100));

				Chart1.Series["Series2"].Points.AddXY(date, random.Next(8000, 8200));

				Chart1.Series["Series3"].Points.AddXY(date, random.Next(1000,3000));

				date = date.AddDays(1);

			}



			if(UseMultipleYAxis.Checked)

			{

				// Set custom chart area position

				Chart1.ChartAreas["ChartArea1"].Position = new ElementPosition(25,10,68,85);

				Chart1.ChartAreas["ChartArea1"].InnerPlotPosition = new ElementPosition(10,0,90,90);



				// Create extra Y axis for second and third series

				CreateYAxis(Chart1, Chart1.ChartAreas["ChartArea1"], Chart1.Series["Series2"], 13, 8);

				CreateYAxis(Chart1, Chart1.ChartAreas["ChartArea1"], Chart1.Series["Series3"], 22, 8);

			}



		}



		/// <summary>

		/// Creates Y axis for the specified series.

		/// </summary>

		/// <param name="chart">Chart control.</param>

		/// <param name="area">Original chart area.</param>

		/// <param name="series">Series.</param>

		/// <param name="axisOffset">New Y axis offset in relative coordinates.</param>

		/// <param name="labelsSize">Extar space for new Y axis labels in relative coordinates.</param>

		public void CreateYAxis(Chart chart, ChartArea area, Series series, float axisOffset, float labelsSize)

		{

			// Create new chart area for original series

			ChartArea areaSeries = chart.ChartAreas.Add("ChartArea_" + series.Name);

			areaSeries.BackColor = Color.Transparent;

			areaSeries.BorderColor = Color.Transparent;

			areaSeries.Position.FromRectangleF(area.Position.ToRectangleF());

			areaSeries.InnerPlotPosition.FromRectangleF(area.InnerPlotPosition.ToRectangleF());

			areaSeries.AxisX.MajorGrid.Enabled = false;

			areaSeries.AxisX.MajorTickMark.Enabled = false;

			areaSeries.AxisX.LabelStyle.Enabled = false;

			areaSeries.AxisY.MajorGrid.Enabled = false;

			areaSeries.AxisY.MajorTickMark.Enabled = false;

			areaSeries.AxisY.LabelStyle.Enabled = false;

			areaSeries.AxisY.IsStartedFromZero = area.AxisY.IsStartedFromZero;





			series.ChartArea = areaSeries.Name;



			// Create new chart area for axis

			ChartArea areaAxis = chart.ChartAreas.Add("AxisY_" + series.ChartArea);

			areaAxis.BackColor = Color.Transparent;

			areaAxis.BorderColor = Color.Transparent;

			areaAxis.Position.FromRectangleF(chart.ChartAreas[series.ChartArea].Position.ToRectangleF());

			areaAxis.InnerPlotPosition.FromRectangleF(chart.ChartAreas[series.ChartArea].InnerPlotPosition.ToRectangleF());



			// Create a copy of specified series

			Series seriesCopy = chart.Series.Add(series.Name + "_Copy");

			seriesCopy.ChartType = series.ChartType;

			foreach(DataPoint point in series.Points)

			{

				seriesCopy.Points.AddXY(point.XValue, point.YValues[0]);

			}



			// Hide copied series

			seriesCopy.IsVisibleInLegend = false;

			seriesCopy.Color = Color.Transparent;

			seriesCopy.BorderColor = Color.Transparent;

			seriesCopy.ChartArea = areaAxis.Name;



			// Disable drid lines & tickmarks

			areaAxis.AxisX.LineWidth = 0;

			areaAxis.AxisX.MajorGrid.Enabled = false;

			areaAxis.AxisX.MajorTickMark.Enabled = false;

			areaAxis.AxisX.LabelStyle.Enabled = false;

			areaAxis.AxisY.MajorGrid.Enabled = false;

			areaAxis.AxisY.IsStartedFromZero = area.AxisY.IsStartedFromZero;

			areaAxis.AxisY.LabelStyle.Font = area.AxisY.LabelStyle.Font;



			// Adjust area position

			areaAxis.Position.X -= axisOffset;

			areaAxis.InnerPlotPosition.X += labelsSize;



		}