Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "ChartDemo" and then click OK
Step 2: Create a local database, then add a AgeStatistic table to your database -> create a dataset then drag the AgeStatistic table to your dataset as below

Step 3: Design your form as below
Step 4: Add code to handle your form as below
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ChartDemo
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'database.AgeStatistics' table. You can move, or remove it, as needed.
this.ageStatisticsTableAdapter.Fill(this.database.AgeStatistics);
}
private void btnSave_Click(object sender, EventArgs e)
{
try
{
//Update data to sql database
ageStatisticsBindingSource.EndEdit();
ageStatisticsTableAdapter.Update(database.AgeStatistics);
MessageBox.Show("Your data has been successfully saved.", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnLoad_Click(object sender, EventArgs e)
{
//Load data to chart/graph
chart1.Series["Age"].XValueMember = "Age";
chart1.Series["Age"].YValueMembers = "Total";
chart1.DataSource = database.AgeStatistics;
chart1.DataBind();
}
}
}
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