using System;
using System.Text;
using System.Collections.Generic;
using FusionCharts.Charts;
public partial class FirstChart : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//store label-value pair
var dataValuePair = new List<KeyValuePair<string, double>>();
dataValuePair.Add(new KeyValuePair<string, double>("Venezuela", 290));
dataValuePair.Add(new KeyValuePair<string, double>("Saudi", 260));
dataValuePair.Add(new KeyValuePair<string, double>("Canada", 180));
dataValuePair.Add(new KeyValuePair<string, double>("Iran", 140));
dataValuePair.Add(new KeyValuePair<string, double>("Russia", 115));
dataValuePair.Add(new KeyValuePair<string, double>("UAE", 100));
dataValuePair.Add(new KeyValuePair<string, double>("US", 30));
dataValuePair.Add(new KeyValuePair<string, double>("China", 30));
StringBuilder jsonData = new StringBuilder();
StringBuilder data = new StringBuilder();
// store chart config name-config value pair
Dictionary<string, string> chartConfig = new Dictionary<string, string>();
chartConfig.Add("caption", "Countries With Most Oil Reserves [2017-18]");
chartConfig.Add("subCaption", "In MMbbl = One Million barrels");
chartConfig.Add("xAxisName", "Country");
chartConfig.Add("yAxisName", "Reserves (MMbbl)");
chartConfig.Add("numberSuffix", "k");
chartConfig.Add("theme", "fusion");
// json data to use as chart data source
jsonData.Append("{'chart':{");
foreach (var config in chartConfig)
{
jsonData.AppendFormat("'{0}':'{1}',", config.Key, config.Value);
}
jsonData.Replace(",", "},", jsonData.Length - 1, 1);
// build data object from label-value pair
data.Append("'data':[");
foreach (KeyValuePair<string, double> pair in dataValuePair)
{
data.AppendFormat("{{'label':'{0}','value':'{1}'}},", pair.Key, pair.Value);
}
data.Replace(",", "]", data.Length - 1, 1);
jsonData.Append(data.ToString());
jsonData.Append("}");
//Create chart instance
// charttype, chartID, width, height, data format, data
Chart chart = new Chart("column2d", "first_chart", "800", "550", "json", jsonData.ToString());
Literal1.Text = chart.Render();
}
}