Bubble Chart in ASP.Net

Today we will discuss the bubble type chart of ASP.Net. We will learn about this chart type control step-by-step. Now let us learn about the properties of the bubble charts. A bubble chart type has the following common properties:
  • AlternetText: Sets the alternate text when the image is not available.
  • Annotation: Stores the chart annotations.
  • AntiAliasing: Sets a value that determines whether anti-aliasing is used when text and graphics are drawn.
  • BackGradientStyle: Sets the orientation for the background gradient for the Chart control. Also determines whether a gradient is used, the default is None.
  • Backcolor: Sets the background color for a chart, the default color is White.
  • BackImage: Sets the background image for the chart control.
  • BackHatchStyle: Sets the hatching style for the chart control, the default is None.
  • Height: Sets the height for the chart control.
  • Width: Sets the width for the chart control.
  • Palette: Sets the style with the color for the chart control, the default style is Chocolate.
  • PaletteCustomColors: Sets the custom color for the chart control.
  • Series: Sets the series collection for the chart control.
  • Legends: Sets the series of legends for the chart.

Now let us illustrate the preceding explanation with a practical example by creating a simple web application.

Step 1: Use the following script to create a table for the chart data:

CREATE TABLE [dbo].[orderdet](    
    [id] [int] IDENTITY(1,1) NOT NULL,    
    [Month] [varchar](50) NULL,    
    [Orders] [int] NULL,    
    [id] ASC    
) ON [PRIMARY]    
Now the design will look as follows:
Now insert the records using the following script:
SET IDENTITY_INSERT [dbo].[orderdet] ON             
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (1, N'Jan', 0)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (2, N'Feb', 5)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (3, N'March', 20)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (4, N'April', 40)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (5, N'May', 15)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (6, N'Jun', 60)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (7, N'July', 75)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (8, N'Aug', 80)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (9, N'Sep', 85)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (10, N'Oct', 100)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (11, N'Nov', 2)            
INSERT [dbo].[orderdet] ([id], [Month], [Orders]) VALUES (12, N'Dec', 90)            
SET IDENTITY_INSERT [dbo].[orderdet] OFF     

After running the preceding script the records in the table will look as follows:
Step 2
Create a Stored Procedure to fetch the records from the database.
Create procedure [dbo].[GetCharData]            
@id int =null            
Select Month,Orders from Orderdet            
Step 3
Create a Web Application. Create the website with:
  1. "Start" - "All Programs" - "Microsoft Visual Studio 2010".

  2. "File" - "New Project" - "C#" - "Empty Website" (to avoid adding a master page).

  3. Provide the project a name such as "UsingBubbleChart" or another as you wish and specify the location.

  4. Then right-click on the Solution Explorer and select "Add New Item" then select Default.aspx page.

  5. Drag and Drop a Chart control from the ToolBox onto the Default.aspx page.
Now the Default.aspx source code will be as follows:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>    
<%@ Register Assembly="System.Web.DataVisualization, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35"    
    Namespace="System.Web.UI.DataVisualization.Charting" TagPrefix="asp" %>    
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">    
<html xmlns="http://www.w3.org/1999/xhtml">    
<head runat="server">    
    <title>Article by Vithal Wadje</title>    
<body bgcolor="black">    
    <form id="form1" runat="server">    
    <h4 style="color: White;">    
        Article for C#Corner    
    <asp:Chart ID="Chart1" runat="server" BackColor="192, 64, 0" BackGradientStyle="LeftRight"    
        BorderlineWidth="0" Height="360px" Palette="None" PaletteCustomColors="128, 64, 0"    
        Width="380px" BorderlineColor="255, 128, 0">    
            <asp:Series Name="Series1"  YValuesPerPoint="12">    
            <asp:ChartArea Name="ChartArea1">    

Step 4
The entire code of the default.aspx.cs page will look as follows:
using System;    
using System.Collections.Generic;    
using System.Linq;    
using System.Web;    
using System.Web.UI;    
using System.Web.UI.WebControls;    
using System.Data.SqlClient;    
using System.Configuration;    
using System.Data;    
using System.Web.UI.DataVisualization.Charting;    
public partial class _Default : System.Web.UI.Page    
    private SqlConnection con;    
    private SqlCommand com;    
    private string constr, query;    
    private void connection()    
        constr = ConfigurationManager.ConnectionStrings["getconn"].ToString();    
        con = new SqlConnection(constr);    
    protected void Page_Load(object sender, EventArgs e)    
        if (!IsPostBack)    
    private void Bindchart()    
        com = new SqlCommand("GetCharData", con);    
        com.CommandType = CommandType.StoredProcedure;    
        SqlDataAdapter da = new SqlDataAdapter(com);    
        DataSet ds = new DataSet();    
        DataTable ChartData = ds.Tables[0];    
        //storing total rows count to loop on each Record    
        string[] XPointMember = new string[ChartData.Rows.Count];    
        int[] YPointMember = new int[ChartData.Rows.Count];    
        for (int count = 0; count < ChartData.Rows.Count; count++)    
            //storing Values for X axis    
            XPointMember[count] = ChartData.Rows[count]["Month"].ToString();    
            //storing values for Y Axis    
            YPointMember[count] = Convert.ToInt32(ChartData.Rows[count]["Orders"]);    
        //binding chart control    
        Chart1.Series[0].Points.DataBindXY(XPointMember, YPointMember);    
        //Setting width of line    
        Chart1.Series[0].BorderWidth = 1;    
        //setting Chart type     
         Chart1.Series[0].ChartType = SeriesChartType.Bubble;    
        //Hide or show chart back GridLines    
  // Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;    
  // Chart1.ChartAreas["ChartArea1"].AxisY.MajorGrid.Enabled = false;    
        //Enabled 3D    
      // Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true;    
Now, we have the entire logic to bind the chart from the database, let us run the application. The Bubble Chart will then look as follows:
Now let us hide the Grid Lines as in the following:
//Hide or show chart back GridLines            
Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;            
Chart1.ChartAreas["ChartArea1"].AxisY.MajorGrid.Enabled = false; 
Now the Bubble chart will be as follows:
The preceding is the Normal Bubble chart. Now let us enable the 3D style as in the following:
//Enabled 3D            
 Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true;   
Now the 3D style chart will be as:
Let us hide the Grid Line in 3D style as:
//Hide or show chart back GridLines              
Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;              
Chart1.ChartAreas["ChartArea1"].AxisY.MajorGrid.Enabled = false; 
Now the Bubble chart will look as follows:
Now from all the preceding explanations we saw how to create and use a Bubble type chart.

  • Change the connection string in the web.config file to specify your server location.
My next article explains another chart type of ASP.Net. I hope this article is useful for all readers, if you have any suggestion then please contact me including beginners also.

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