public const string SESSION_VAR_NAME = "RandomStr";
protected void Page_Load(object sender, EventArgs e)
{
TODO
Bitmap objBMP = new Bitmap(100, 30);
Graphics objGraphics = Graphics.FromImage(objBMP);
objGraphics.Clear(Color.Wheat);
objGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
Font objFont = new Font("Arial", 14, FontStyle.Italic);
string randomStr = "";
char[] myArray = new char[5];
int x;
Random autoRand = new Random();
for (x = 0; x < 5; x++)
{
myArray[x] = System.Convert.ToChar(autoRand.Next(65, 90));
randomStr += (myArray[x].ToString());
}
Session.Add(SESSION_VAR_NAME, randomStr);
objGraphics.DrawString(randomStr, objFont, Brushes.Red, 3, 3);
Response.Buffer = false;
Response.Clear();
Response.ContentType = "image/GIF";
objBMP.Save(Response.OutputStream, ImageFormat.Gif);
objFont.Dispose();
objGraphics.Dispose();
objBMP.Dispose();
Response.Flush();
Response.End();
}