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.Series
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class DefaultCS: XhtmlPage
	{
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.DropDownList ddlSeries;
		protected System.Web.UI.WebControls.DropDownList ddlSeriesType;
		protected System.Web.UI.WebControls.DropDownList ddlAxisLayout;
		protected System.Web.UI.WebControls.TextBox tbSeriesName;
		protected System.Web.UI.WebControls.Button Button1;
		protected Telerik.WebControls.RadChart RadChart1;
              
		static Color[] MainColors   = { Color.FromArgb(199, 243, 178),  
										  Color.FromArgb(253, 226, 0),
										  Color.FromArgb(0, 111, 223),
										  Color.FromArgb(255, 153, 32),
										  Color.FromArgb(197, 00, 65)
									  };
		protected System.Web.UI.WebControls.DropDownList ddlAlignment;
		protected System.Web.UI.WebControls.TextBox txtBoxLabelDistance;
		protected System.Web.UI.WebControls.TextBox txtBoxLabelRotationAngle;
		protected System.Web.UI.WebControls.DropDownList ddlDefaultLabel;
		protected System.Web.UI.WebControls.Label lblIncorrectSettings;

		static Color[] SecondColors = { Color.FromArgb(17, 147, 7), 
										  Color.FromArgb(255, 156, 0),
										  Color.FromArgb(154, 233, 255),
										  Color.FromArgb(255, 200, 182),
										  Color.FromArgb(255, 150, 215)
									  };

		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!Page.IsPostBack)
			{
				InitControls();
				SetControlValues();
			}
		}

        
		private void InitControls()
		{            
			InitControl(ddlAxisLayout, typeof(ChartAxisLayoutStyle));
			InitControl(ddlSeriesType, typeof(ChartSeriesType));
			InitControl(ddlAlignment, typeof(ContentAlignment));
		}

		private void SetControlValues()
		{			
			InitdllSeries();
			SetValuesFromSeries(RadChart1.GetChartSeries(ddlSeries.SelectedIndex));
		}

		private void InitControl(DropDownList ddl, Type type)
		{
			string[] valueNames = Enum.GetNames(type);

			ddl.Items.Clear();

			foreach (string s in valueNames)
			{
				ddl.Items.Add(s);
			}
		}

		private void InitdllSeries()
		{
			ddlSeries.Items.Clear();

			foreach (ChartSeries series in RadChart1.ChartSeriesCollection)
			{
				ddlSeries.Items.Add(series.Name);
			}
		}

       
		private void SetValuesFromSeries(ChartSeries series)
		{   
			if (series != null)
			{
				SetControlValue(ddlSeriesType, series.Type.ToString());
				tbSeriesName.Text = series.Name;
                
				txtBoxLabelDistance.Text = series.LabelAppearance.Distance.ToString();
				SetControlValue(ddlAlignment, series.LabelAppearance.Alignment.ToString());
				txtBoxLabelRotationAngle.Text = series.LabelAppearance.RotationAngle.ToString();								

				foreach (ChartSeries s in RadChart1.ChartSeriesCollection)
				{
					s.Appearance.BorderColor = Color.DimGray;
				}
				series.Appearance.BorderColor = Color.Red;
			}
		}

		private void SetControlValue(DropDownList ddList, string val)
		{
			ddList.SelectedItem.Selected = false;
			ddList.Items.FindByValue(val).Selected = true;
		}

		#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.ddlSeries.SelectedIndexChanged += new System.EventHandler(this.ddlSeries_SelectedIndexChanged);
			this.ddlAxisLayout.SelectedIndexChanged += new System.EventHandler(this.ddlAxisLayout_SelectedIndexChanged);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ddlSeries_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			SetValuesFromSeries(RadChart1.GetChartSeries(ddlSeries.SelectedIndex));
		}

		private void Button3_Click(object sender, System.EventArgs e)
		{
			try
			{
				ModifySeries(RadChart1.GetChartSeries(ddlSeries.SelectedIndex));
				SetControlValues();
				lblIncorrectSettings.Visible = false;
			}
			catch
			{
				lblIncorrectSettings.Visible = true;
			}
		}

		private void ModifySeries(ChartSeries series)
		{           
			series.Type			= (ChartSeriesType) Enum.Parse(typeof(ChartSeriesType), ddlSeriesType.SelectedItem.Value);
			series.Name			= tbSeriesName.Text; 
			foreach (ChartSeriesItem item in series.Items)
			{
				item.Label = ddlDefaultLabel.SelectedItem.Value;
			}
			series.DefaultLabel = ddlDefaultLabel.SelectedItem.Value;
			series.LabelAppearance.Alignment = (ContentAlignment) Enum.Parse(typeof(ContentAlignment), ddlAlignment.SelectedItem.Value);
			series.LabelAppearance.Distance = int.Parse(txtBoxLabelDistance.Text);
			series.LabelAppearance.RotationAngle = double.Parse(txtBoxLabelRotationAngle.Text);
		}

		private void ddlAxisLayout_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			RadChart1.XAxis.LayoutStyle = (ChartAxisLayoutStyle) Enum.Parse(typeof(ChartAxisLayoutStyle), ddlAxisLayout.SelectedItem.Value);
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			if (RadChart1.ChartSeriesCollection.Count > 0)
			{
				RadChart1.RemoveSeriesAt(ddlSeries.SelectedIndex);
				SetControlValues();
			}
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			ChartSeriesType seriesType = (ChartSeriesType) Enum.Parse(typeof(ChartSeriesType), ddlSeriesType.SelectedItem.Value);
			ChartSeries series = RadChart1.CreateSeries(tbSeriesName.Text, Color.Blue, seriesType);
			ModifySeries(series);

			Random r = new Random();

			series.AddItem(r.Next(-100, 100), "A");
			series.AddItem(r.Next(-100, 100), "B");
			series.AddItem(r.Next(-100, 100), "C");
			series.AddItem(r.Next(-100, 100), "D");            

			series.Name = "Series " + (ddlSeries.Items.Count + 1).ToString();
			series.LabelAppearance.TextFont = new Font("Arial", 9, FontStyle.Bold);
			series.LabelAppearance.TextColor = Color.DimGray;
			series.Appearance.MainColor     =   MainColors[ (RadChart1.ChartSeriesCollection.Count - 1) % MainColors.Length];
			series.Appearance.SecondColor   = SecondColors[ (RadChart1.ChartSeriesCollection.Count - 1) % SecondColors.Length];
			series.Appearance.FillStyle = FillStyle.Gradient;

			if (series.Type == ChartSeriesType.Pie)
			{
				foreach (ChartSeriesItem seriesItem in series.Items)
				{
					seriesItem.YValue = Math.Abs(seriesItem.YValue);
				}
			}

			SetControlValues();
		}
			
	}
}