public string MakeInnerHtmlChart(ChartData[] cds, int Width, int Height)
{
//Check that we have some data
if (cds == null)
{
return("An error occured, could not find any plots!");
}
try
{
//Get paths, set in global.cs
string RelativePath = (string)Application["RelativePath"] + "/";
string AbsolutePath = (string)Application["PhysicalPath"] + "/";
//Generate unique filename
string filename = DateTime.Now.Ticks.ToString();
//Get hostinfo
IPHostEntry ihe = Dns.GetHostByName(this.Server.MachineName);
//Initialize variables
string[] imgs = new string[cds.Length];
StringBuilder sr = new StringBuilder();
string[] datanames = new string[cds.Length];
string xmldata;
string tabdata;
ArrayList files = new ArrayList();
//Run through ChartData[] and create charts
for (int i = 0; i < cds.Length; i++)
{
//Initialize chart
ChartControl cc = new ChartControl();
cc.AddChartData(cds[i]);
cc.BackColor = Color.White;
//Check X and Y values
if (cds[i].X == null || cds[i].Y == null)
{
continue;
}
//Check y values
bool ok = false;
foreach (double[] d in cds[i].Y)
{
if (d != null)
{
ok = true;
}
}
if (!ok)
{
continue;
}
//Check if the current ChartData has Width and Height set
try
{
if (cds[i].Width != 0)
{
cc.Width = cds[i].Width;
}
else
{
cc.Width = Width;
}
if (cds[i].Height != 0)
{
cc.Height = cds[i].Height;
}
else
{
cc.Height = Height;
}
}
catch {}
//Create Image
Image img = cc.GetImage();
if (img == null)
{
continue;
}
//Save image to disk
img.Save(AbsolutePath + filename + "_" + i + ".png", ImageFormat.Png);
//Store relative path to image
imgs[i] = RelativePath + filename + "_" + i + ".png";
//Save ChartData as XML
try
{
xmldata = filename + "_" + i + ".xnc";
using (Stream s = File.OpenWrite(AbsolutePath + xmldata))
{
cds[i].ToXML(s);
}
}
catch
{
xmldata = null;
}
//Save ChartData as HTML
try
{
tabdata = filename + "_" + i + ".html";
using (Stream s = File.OpenWrite(AbsolutePath + tabdata))
{
cds[i].ToHtml(s);
}
}
catch
{
tabdata = null;
}
//Create HTML to return to client
sr.Append("<table cellpadding=0 cellspacing=2><tr><td >");
sr.Append("<img src='" + "http://" + ihe.HostName + imgs[i] + "'>\n");
if (xmldata != null)
{
sr.Append("<tr><td align=right><a href='http://" + ihe.HostName + RelativePath + xmldata + "'>Xml format</a> | ");
}
if (tabdata != null)
{
sr.Append("<a href='http://" + ihe.HostName + RelativePath + tabdata + "' target='htmldata'>Html format</a></table><br>");
}
//Files to be deleted at the end of session
files.Add(AbsolutePath + filename + "_" + i + ".png");
files.Add(AbsolutePath + xmldata);
files.Add(AbsolutePath + tabdata);
}
//Add to session end delete
AddToDelete((string[])files.ToArray(typeof(string)));
//Return HTML
return(sr.ToString());
}
catch (Exception e)
{
return("An unknown error occured. Please send the following message to the administrator:<br>" + e.Message + "<br>" + e.StackTrace +
"<br>" + cds.Length + ", " + Width + ", " + Height);
}
}
