Windows Forms: Chart / Graph in C#
By FoxLearn 3/30/2019 11:21:29 PM 17.64K
Create Chart/Graph include bar, line, pie chart with SQL Server database using C#
Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "ChartExample" and then click OK
Step 2: Create an Entity Framework Model First, then add the Revenue table to your Model
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 ChartExample { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void btnLoad_Click(object sender, EventArgs e) { using(ChartEntities db = new ChartEntities()) { //Load data to chart control chartRevenue.DataSource = db.Revenues.ToList(); chartRevenue.Series["Revenue"].XValueMember = "Year"; chartRevenue.Series["Revenue"].XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Int32; chartRevenue.Series["Revenue"].YValueMembers = "Total"; chartRevenue.Series["Revenue"].YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Double; } } private void Form1_Load(object sender, EventArgs e) { //chartSalary.Series["Salary"].Points.AddXY("Peter", 1000); //chartSalary.Series["Salary"].Points.AddXY("John", 5000); //chartSalary.Series["Salary"].Points.AddXY("Tan", 1500); //chartSalary.Series["Salary"].Points.AddXY("Lucy", 7000); chartSalary.Series["Salary"].Points.Add(1000); chartSalary.Series["Salary"].Points[0].Color = Color.Red; chartSalary.Series["Salary"].Points[0].AxisLabel = "Peter"; chartSalary.Series["Salary"].Points[0].LegendText = "Peter"; chartSalary.Series["Salary"].Points[0].Label = "1000"; //Init data chartSalary.Series["Salary"].Points.Add(5000); chartSalary.Series["Salary"].Points[1].Color = Color.Green; chartSalary.Series["Salary"].Points[1].AxisLabel = "John"; chartSalary.Series["Salary"].Points[1].LegendText = "John"; chartSalary.Series["Salary"].Points[1].Label = "5000"; // chartSalary.Series["Salary"].Points.Add(1500); chartSalary.Series["Salary"].Points[2].Color = Color.Yellow; chartSalary.Series["Salary"].Points[2].AxisLabel = "Tan"; chartSalary.Series["Salary"].Points[2].LegendText = "Tan"; chartSalary.Series["Salary"].Points[2].Label = "1500"; // chartSalary.Series["Salary"].Points.Add(7000); chartSalary.Series["Salary"].Points[3].Color = Color.Blue; chartSalary.Series["Salary"].Points[3].AxisLabel = "Lucy"; chartSalary.Series["Salary"].Points[3].LegendText = "Lucy"; chartSalary.Series["Salary"].Points[3].Label = "7000"; } } }
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