defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Telerik.QuickStart;
using Telerik.WebControls;

namespace Telerik.ChartExamplesCS.PostbackEvents
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class DefaultCS: XhtmlPage
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox txtBoxClickedSeries;
		protected System.Web.UI.WebControls.TextBox txtBoxClickedItem;
		protected Telerik.WebControls.RadChart RadChart1;
		protected System.Web.UI.WebControls.TextBox txtBoxClickedLegendItem;

		private ChartLegendItem CreateLegendItem(string name, ChartLegendItemMark mark, Color color)
		{
			ChartLegendItem	legendItem = new ChartLegendItem();

			legendItem.ItemMark = mark;
			legendItem.Name = name;
			legendItem.Appearance.MainColor = color;
			legendItem.Appearance.FillStyle = FillStyle.Solid;
			
			return legendItem;
		}

		

		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!Page.IsPostBack)
			{
				ChartSeries s = RadChart1.GetChartSeries(0);
				ChartSeries s1 = RadChart1.GetChartSeries(1);

				s.SetValues(12, 50, 17, 37, 63, 19);				
				s1.SetValues(25, 15, 46, 84, 14, 70);				

				foreach (ChartSeries series in RadChart1.ChartSeriesCollection)
				{
					int itemIndex = 0;

					foreach (ChartSeriesItem item in series.Items)
					{
						item.Name = "item " + itemIndex++;
					}
				}

				RadChart1.Legend.Items.Add(CreateLegendItem("legend 1", ChartLegendItemMark.Circle, Color.Red));
				RadChart1.Legend.Items.Add(CreateLegendItem("legend 2", ChartLegendItemMark.Rectangle, Color.Blue));
				RadChart1.Legend.Items.Add(CreateLegendItem("legend 3", ChartLegendItemMark.Triangle, Color.Green));

				foreach (ChartLegendItem legendItem in RadChart1.Legend.Items)
				{
					legendItem.ImageMap.ToolTip = "Click here";
				}
						
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.RadChart1.Click += new Telerik.WebControls.RadChart.ChartClickEventHandler(this.RadChart1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void RadChart1_Click(object sender, Telerik.WebControls.ChartClickEventArgs args)
		{
			if (args.Series != null)
			{
				txtBoxClickedSeries.Text = args.Series.Name;
			}
			else
			{
				txtBoxClickedSeries.Text = "N/A";
			}

			if (args.SeriesItem != null)
			{
				txtBoxClickedItem.Text = args.SeriesItem.Name;
			}
			else
			{
				txtBoxClickedItem.Text = "N/A";
			}
			if (args.LegendItem != null)
			{
				txtBoxClickedLegendItem.Text = args.LegendItem.Name;
			}
			else
			{
				if (args.IsLegendItem)
				{
					txtBoxClickedLegendItem.Text = "A legend item is clicked.";
				}
				else
				{
					txtBoxClickedLegendItem.Text = "N/A";
				}
			}			
		}
			
	}
}