DevExpress Util HelpV3

using System; using System.Drawing; using DevExpress.XtraCharts;

namespace DevExpressUtilHelpV3

{

public static class ChartToolV3

{

/// <summary>

/// 创建Series

/// </summary>

/// <param name="chat">ChartControl</param>

/// <param name="seriesName">Series名字『诸如：理论电量』</param>

/// <param name="seriesType">seriesType『枚举』</param>

/// <param name="dataSource">数据源</param>

/// <param name="xBindName">ChartControl的X轴绑定</param>

/// <param name="yBindName">ChartControl的Y轴绑定</param>

public static void CreateSeries(this ChartControl chat, string seriesName, ViewType seriesType, object dataSource, string xBindName, string yBindName)

{

CreateSeries(chat, seriesName, seriesType, dataSource, xBindName, yBindName, null);

}

/// <summary>

/// 创建Series

/// </summary>

/// <param name="chat">ChartControl</param>

/// <param name="seriesName">Series名字『诸如：理论电量』</param>

/// <param name="seriesType">seriesType『枚举』</param>

/// <param name="dataSource">数据源</param>

/// <param name="xBindName">ChartControl的X轴绑定</param>

/// <param name="yBindName">ChartControl的Y轴绑定</param>

/// <param name="createSeriesRule">Series自定义『委托』</param>

public static void CreateSeries(this ChartControl chat, string seriesName, ViewType seriesType, object dataSource, string xBindName, string yBindName, Action<Series> createSeriesRule)

{

if (chat == null)

throw new ArgumentNullException("chat");

if (string.IsNullOrEmpty(seriesName))

throw new ArgumentNullException("seriesType");

if (string.IsNullOrEmpty(xBindName))

throw new ArgumentNullException("xBindName");

if (string.IsNullOrEmpty(yBindName))

throw new ArgumentNullException("yBindName");

Series _series = new Series(seriesName, seriesType);

_series.ArgumentScaleType = ScaleType.Qualitative;

_series.ArgumentDataMember = xBindName;

_series.ValueDataMembers[0] = yBindName;

_series.DataSource = dataSource;

if (createSeriesRule != null)

createSeriesRule(_series);

chat.Series.Add(_series);

}

}

} 代码示例：

public Form1()

{

InitializeComponent();

}

private void Form1_Load(object sender, EventArgs e)

{

DataTable _dt = CreateTestDB();

chartControl1.CreateSeries("理论功率", ViewType.Spline, _dt, "time", "Power");

chartControl1.CreateSeries("实际功率", ViewType.Spline, _dt, "time", "ActulPower");

}

/// <summary>

/// 准备数据源

/// </summary>

/// <returns>DataTable</returns>

private DataTable CreateTestDB()

{

DataTable _testData = new DataTable();

_testData.Columns.Add(new DataColumn("time", typeof(string)));

_testData.Columns.Add(new DataColumn("Power", typeof(decimal)));

_testData.Columns.Add(new DataColumn("ActulPower", typeof(decimal)));

Random _rm = new Random();

for (int i = 0; i < 24; i++)

{

DataRow _drNew = _testData.NewRow();

_drNew["time"] = string.Format("{0}点", i);

_drNew["Power"] = 250;

_drNew["ActulPower"] = _rm.Next(220, 245);

_testData.Rows.Add(_drNew);

}

return _testData;

}