I'd like to use a polar chart in my test application. I've a data table with a couple of columns where the column with the name of "X" should provide the x value members, the others should be the y value members. I found a tutorial on MSDN but it doesn't really work because the line
chart1.DataBindTable(dt, "X");
won't compile. Any tip is welcome and thank you.
Here is the code :
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
namespace PolarChartTest_01
{
public partial class Form1 : Form
{
public DataTable dt;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
dt.Rows.Clear();
dt.Columns.Clear();
chart1.Series.Clear();
dt.Columns.Add("X", typeof(int));
dt.Columns.Add("Y", typeof(int));
for (int j = 0; j < 7; j++)
{
DataRow dr = dt.NewRow();
dr["X"] = j * 45;
dr["Y"] = j;
dt.Rows.Add(dr);
}
chart1.DataBindTable(dt, "X");
}
}
}
Another solution might be:
As a bonus, the DataView this returns can be used for sorting and filtering, besides being "databindable".
This may help you Write this on page load
It won't compile because DataTable doesn't implement IEnumerable interface. Try: