Column and Bar charts

Let's create a Column 2D chart showing the "Most popular programming language".

The chart will look as shown below:

FusionCharts will load here..

Click here to edit the column chart.

The data for the above chart is shown in the table below:

Programming Language Users
Java 62000
Python 46000
Javascript 38000
C++ 31000
C# 27000
PHP 14000
Perl 14000

Now that you have the tabular data ready, let's see how to render the chart.

Render the chart

Create the FirstChart.aspx.cs file and do the following:

  • Include the FusionCharts.DataEngine and FusionCharts.Visualization .dll files.
  • Create DataTable.
  • Retrieve data using database query.
  • Set server name.
  • Set DataBase name.
  • Connect with DataBase using a connection string.
  • Create StaticSource using the DataTable.
  • Create an instance of DataModel class.
  • Add DataSource to the DataModel.
  • Instantiate Column Chart
  • Set Chart's width and height
  • Set DataModel instance as the data source of the chart.
  • Set Chart Title.
  • Finally, use a container using <div> to render the chart.

The code is shown below:

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using FusionCharts.DataEngine;
using FusionCharts.Visualization;

namespace FusionChartsVisualisationWebFormsSamples.Samples
{
    public partial class FirstChart: System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
           // Create data table
            DataTable primaryData = new DataTable();

            // Retrieve data using database query
            string query = "select [Languages], [User] from dbo.UserPerLanguage";
            string connetionstring = null;

            // Servevr name
            string serverName = "FusionChartsServer";

            // DataBase name
            string databaseName = "FusionChartsSamplesDB";
            primaryData.Clear();

            // Connection string
            connetionstring = "Data Source=" + serverName + ";Initial Catalog=" + databaseName + ";Trusted_Connection=true;";

            using (SqlConnection con = new SqlConnection(connetionstring))
            {
                con.Open();
                using (SqlCommand command = new SqlCommand(query, con))
                using (SqlDataAdapter da = new SqlDataAdapter(command))
                {
                    da.Fill(primaryData);
                }
            }
            // Create static source with this data table
            StaticSource source = new StaticSource(primaryData);
            // Create instance of DataModel class
            DataModel model = new DataModel();
            // Add DataSource to the DataModel
            model.DataSources.Add(source);
            // Instantiate Column Chart
            Charts.ColumnChart column = new Charts.ColumnChart("first_chart");
            // Set Chart's width and height
            column.Width = "700";
            column.Height = "400";
            // Set DataModel instance as the data source of the chart
            column.Data.Source = model;
            // Set Chart Title
            column.Caption.Text = "Most popular programming language";
            // hide chart Legend
            column.Legend.Show = false;
            // set XAxis Text
            column.XAxis.Text = "Programming Language";
            // Set YAxis title
            column.YAxis.Text = "User";
            // Render the chart to 'Literal1' literal control
            Literal1.Text = column.Render();
        }
    }
}

The .aspx template for the above sample is shown below:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="FirstChart.aspx.cs" Inherits="FusionChartsVisualisationWebFormsSamples.Samples.FirstChart" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <script type="text/javascript" src="//cdn.fusioncharts.com/fusioncharts/latest/fusioncharts.js"></script>
    <script type="text/javascript" src="//cdn.fusioncharts.com/fusioncharts/latest/themes/fusioncharts.theme.fusion.js"></script>

    <form id="form1" runat="server">
        <div>
            <asp:Literal ID="Literal1" runat="server"></asp:Literal>
        </div>
           </form>
</body>
</html>

Bar Chart

Now, let's learn how to create a bar chart with the same data. The code remains the same as that of the column chart. The only difference is instead of instantiating a column chart you have to instantiate a bar chart. Create a barChart.aspx.cs and refer to the code below:

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using FusionCharts.DataEngine;
using FusionCharts.Visualization;

namespace FusionChartsVisualisationWebFormsSamples.Samples
{
    public partial class FirstChart: System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
           // Create data table
            DataTable primaryData = new DataTable();

            // Retrieve data using database query
            string query = "select [Languages], [User] from dbo.UserPerLanguage";
            string connetionstring = null;

            // Servevr name
            string serverName = "FusionChartsServer";

            // DataBase name
            string databaseName = "FusionChartsSamplesDB";
            primaryData.Clear();

            // Connection string
            connetionstring = "Data Source=" + serverName + ";Initial Catalog=" + databaseName + ";Trusted_Connection=true;";

            using (SqlConnection con = new SqlConnection(connetionstring))
            {
                con.Open();
                using (SqlCommand command = new SqlCommand(query, con))
                using (SqlDataAdapter da = new SqlDataAdapter(command))
                {
                    da.Fill(primaryData);
                }
            }
            // Create static source with this data table
            StaticSource source = new StaticSource(primaryData);

            // Create instance of DataModel class
            DataModel model = new DataModel();

            // Add DataSource to the DataModel
            model.DataSources.Add(source);

            // Instantiate bar Chart
            Charts.BarChart bar = new Charts.BarChart("bar_chart");

            // Set Chart's width and height
            bar.Width = 500;
            bar.Height = 400;

            // Set DataModel instance as the data source of the chart
            bar.Data.Source = model;

            // Set Chart Title
            bar.Caption.Text = "Most popular programming language";

            // Render the chart to 'barChartLiteral' literal control
            Literal1.Text = bar.Render();
        }
    }
}

The .aspx template for the above sample is shown below:


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="barChart.aspx.cs" Inherits="FusionChartsVisualisationWebFormsSamples.Samples.barChart" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <script type="text/javascript" src="//cdn.fusioncharts.com/fusioncharts/latest/fusioncharts.js"></script>
    <script type="text/javascript" src="//cdn.fusioncharts.com/fusioncharts/latest/themes/fusioncharts.theme.fusion.js"></script>

    <form id="form1" runat="server">
        <div>
            <asp:Literal ID="Literal1" runat="server"></asp:Literal>
        </div>
        <div>
            <input type ="button" value ="Samples" onclick="location.href = 'Index.aspx';" />
        </div>
    </form>
</body>
</html>

The chart will look as shown below:

FusionCharts will load here..

Click here to edit the bar chart.

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