Why Tesseract OCR is not working in Asp.net with C#3.5?

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ASP.NET

C#3.5

OCR

Why Tesseract OCR is not working in Asp.net with C#3.5? I am able to extract the text from the scanned image in c# application. But while using in web application the same is not working. Here OCR.Init method its not working in Asp.net but in windows application there are no such issues.I have set the tessdata folder under bin directory and tesseract bll also has been added as reference.
My code is as follows:

string Results = string.Empty;

 string path = @"D:\OCR\test.jpg";
 // string path = Server.MapPath("~/Images/test.jpg");
 Bitmap image = new Bitmap(path);
 tessnet2.Tesseract ocr = new tessnet2.Tesseract();
 ocr.Init(null, "eng", false); // To use correct tessdata
 
 //To recognise the text in the selected image area (x cordinate,y cordinate,width,height)
 if (rdSelectedAreaTextImage.Checked == true)
 {
     int xCoordinate = int.Parse(txtXCooridnate.Text);
     int yCoordinate = int.Parse(txtYCooridnate.Text);

     List<tessnet2.Word> r1 = ocr.DoOCR(image, new Rectangle(xCoordinate, yCoordinate, 1187, 623));
     foreach (tessnet2.Word word in r1)
     //if (word.Text.Contains("About"))
     {
         // Console.WriteLine("{0} : {1}", word.Confidence, word.Text);
         Results += word.Text;
     }
 }