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protected void Page_Load(object sender, EventArgs e)
{
string Filename;
System.Drawing.Image g;
Filename = Server.MapPath("./1.jpg");
g = System.Drawing.Image.fromFile(Filename);
Response.ContentType = "image/jpeg";
g.Save(Response.OutputStream, g.RawFormat);
g.Dispose();
}
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public Byte[] DrawChart(int north, int east, int south, int west)
{
System.IO.MemoryStream outStream;
outStream = new System.IO.MemoryStream();
float thisAngle = 0;
float totalAngle = 0;
int width = 200;
int height = width;
int diameter = width - (width / 10);
int top = (height / 2) - (diameter / 2);
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