protected void Page_Load(object sender, System.EventArgs e)
{
// Set return type to png image format
Response.ContentType = "image/png";
string xValues, yValues;
// Get input parameters from query string
xValues = Request.QueryString["xValues"];
yValues = Request.QueryString["yValues"];
if (xValues != null && yValues != null)
{
Bitmap bmp;
MemoryStream memStream = new MemoryStream();
BarGraph bar = new BarGraph(Color.White);
// Set bar color for 7 days
for (int i = 0; i < 7; i++)
{
bar.SetColor(i, Color.Sienna);
}
// Graph settings
bar.VerticalTickCount = 2;
bar.ShowLegend = false;
bar.ShowData = true;
bar.Height = 119;
bar.Width = 195;
bar.TopBuffer = 5;
bar.BottomBuffer = 15;
bar.FontColor = Color.Gray;
bar.CollectDataPoints(xValues.Split("|".ToCharArray()), yValues.Split("|".ToCharArray()));
bmp = bar.Draw();
// Render BitMap Stream Back To Client
bmp.Save(memStream, ImageFormat.Png);
memStream.WriteTo(Response.OutputStream);
}
}
