이런 식으로 뭔가 ...
//// initialize an array of doubles for Y values
double[] yval = { 5, 6, 4, 6, 3 };
// initialize an array of strings for X values
double[] xval = { 1, 4, 6, 8, 9 };
// bind the arrays to the X and Y values of data points in the "ByArray" series
chart1.Series["Series1"].Points.DataBindXY(xval, yval);
chart1.Series["Series1"].ChartType = SeriesChartType.Point;
chart1.Series["Series1"].Points[0].MarkerStyle = MarkerStyle.Square;
chart1.Series["Series1"].Points[1].MarkerStyle = MarkerStyle.Cross;
chart1.Series["Series1"].Points[2].MarkerStyle = MarkerStyle.Triangle;
chart1.Series["Series1"].Points[3].MarkerStyle = MarkerStyle.Circle;
chart1.Series["Series1"].Points[4].MarkerStyle = MarkerStyle.Star4;