Draw a pie chart in C# .net win forms

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I was trying to create a pie chart in windows form using c# and the numerical data is coming from SQL server. Is there any one who know how to create a pie chart on windows form? I really appreciate any answer in this.
Thanks!

Mequ

Posted 1-Apr-10 8:28am

Meq2

Updated 1-Apr-10 8:30am

v3

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William Winner · Answer 1 · 2010-04-01T08:32:00

Solution 1

There are a lot of sample available on the web. Let me Topeka that for you: C# pie chart[^]

Posted 1-Apr-10 8:32am

William Winner

HemendraP · Answer 2 · 2012-09-05T21:14:00

C#

//for input for pie chart..
            int i1 = int.Parse(textBox1.Text);
            int i2 = int.Parse(textBox2.Text);
            int i3 = int.Parse(textBox3.Text);
            int i4 = int.Parse(textBox4.Text);

            float total = i1 + i2 + i3 + i4;
            float deg1 = (i1 / total) * 360;
            float deg2 = (i2 / total) * 360;
            float deg3 = (i3 / total) * 360;
            float deg4 = (i4 / total) * 360;

            Pen p = new Pen(Color.Black, 2);

            Graphics g = this.CreateGraphics();

            Rectangle rec = new Rectangle(textBox1.Location.X + textBox1.Size.Width + 10, 12, 150, 150);

            Brush b1 = new SolidBrush(Color.Red);
            Brush b2 = new SolidBrush(Color.Blue);
            Brush b3 = new SolidBrush(Color.Black);
            Brush b4 = new SolidBrush(Color.BlueViolet);


            g.Clear(Form1.DefaultBackColor);
            g.DrawPie(p, rec, 0, deg1);
            g.FillPie(b1, rec, 0, deg1);
            g.DrawPie(p, rec, deg1, deg2);
            g.FillPie(b2, rec, deg1, deg2);
            g.DrawPie(p, rec, deg2 + deg1, deg3);
            g.FillPie(b3, rec, deg2 + deg1, deg3);
            g.DrawPie(p, rec, deg3 + deg2 + deg1, deg4);
            g.FillPie(b4, rec, deg3 + deg2 + deg1, deg4);