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3550
How to make line chart?
posted

I want a 2D line chart for a list of points with x, y values.

I want 1 line, that goes threw the points, but I get 4 lines, 1 for each point.

I want the points to be in the right place, according to their numerical value. So that (1,1) point

Will be in 1 on x axis, 1 on y axis,  and (7,9)  point Will be in 7 on x axis, 9 on y axis.

I have this code.

List<Point> pointLs = new List<Point>();
            pointLs.Add(new Point(1,1));
            pointLs.Add(new Point(2, 4));
            pointLs.Add(new Point(7, 9));
            pointLs.Add(new Point(12, 20));
            ultraChart1.DataSource = pointLs;
            this.ultraChart1.DataBind(); 

public class Point {
        public Point(double x, double y) {
            mX = x;
            mY = y;
        }
        private double mX;

        private double mY;

        public double Y
        {
            get { return mY; }
            set { mY = value; }
        }

        public double X
        {
            get { return mX; }
            set { mX = value; }
        }
       
    }    


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