Column Chart with different Color

Question

Hi expert, i need help here, below is my code
foreach (DataRow row in dtTest.Rows)
int intIndex = 0;
string strVLegendName = row["Vehicle"].ToString();
if (chart1.Series.IndexOf(strVLegendName) != -1)
chart1.Series[intIndex].ChartType = SeriesChartType.Column;
chart1.Series[intIndex].BorderWidth = 2;
chart1.Series[intIndex].ShadowOffset = 5;
chart1.Series[intIndex].LabelForeColor = Color.Black;
chart1.Series[intIndex]["DrawingStyle"] = "Cylinder";
int intYValue = (int)row["Value"];
chart1.Series[intIndex].Points.AddXY(row["SeriesName"].ToString(), Convert.ToInt32(row["Value"].ToString()));
chart1.Series[intIndex].IsValueShownAsLabel = true;
chart1.ChartAreas[intIndex].AxisX.MajorGrid.Enabled = false;
chart1.ChartAreas[intIndex].AxisY.MajorGrid.Enabled = false;
else
chart1.Series.Add(strVLegendName);
chart1.Series[intIndex].ChartType = SeriesChartType.Column;
chart1.Series[intIndex].BorderWidth = 2;
chart1.Series[intIndex].ShadowOffset = 5;
chart1.Series[intIndex].LabelForeColor = Color.Black;
chart1.Series[intIndex].Color = Color.Yellow;
chart1.Series[intIndex]["DrawingStyle"] = "Cylinder";
int intYValue = (int)row["Value"];
chart1.Series[intIndex].Points.AddXY(row["SeriesName"].ToString(), Convert.ToInt32(row["Value"].ToString()));
chart1.Series[intIndex].IsValueShownAsLabel = true;
chart1.ChartAreas[intIndex].AxisX.MajorGrid.Enabled = false;
chart1.ChartAreas[intIndex].AxisY.MajorGrid.Enabled = false;
intIndex++;
the output is below
the problem is, instead of the only "Yellow" color in the chart, how can i change it to make it different color for example, Sedan = Yellow, SUV=Red, 4ton=Blue, 8ton=Purple... 
Thanks in advanced...

Answer 1

All what you need is to create a small function to pass category and retrurn color as below:
private Color GetColor(string category)
switch(category){
case "Sedan":
return Color.Yellow;
case "SUV":
return Color.Red;
case "4ton":
return Color.Blue;
case "8ton":
return Color.Purple;
default:
return Color.White;
and then in your code you call it as :
chart1.Series[intIndex].Color = GetColor(strVLegendName);
Also note that you can create color from name as below, so if you saving colors in your DB/DT you can just pass as below and it will return color for you.
Color.FromName("Blue");
Which you will be able to pass in your code as below:
chart1.Series[intIndex].Color = Color.FromName(row["DBColor"].ToString());
Fouad Roumieh