Bugs and Suggestions

public Bitmap Draw() 
{ 
Bitmap obj_Bitmap = new Bitmap(500, 500); 
obj_Graphics = Graphics.FromImage(obj_Bitmap); 
obj_Graphics.Clear(Color.Wheat); 
obj_Graphics.SmoothingMode = SmoothingMode.HighQuality; 
obj_Graphics.DrawString("Line Chart", new Font("Arial", 10, FontStyle.Bold), new SolidBrush(Color.Purple), new Point(30, 30)); 
System.Web.HttpContext.Current.Response.ContentType = "image/jpeg"; obj_Bitmap.Save(System.Web.HttpContext.Current.Response.OutputStream, ImageFormat.Jpeg); 
obj_Bitmap.Dispose(); 
obj_Graphics.Dispose(); 
System.Web.HttpContext.Current.Response.End(); 
return obj_Bitmap; 
} 
Bitmap bmp = new Bitmap(500, 500); 
bmp=draw();

public Bitmap Draw() { Bitmap obj_Bitmap = new Bitmap(500, 500); obj_Graphics = Graphics.FromImage(obj_Bitmap); obj_Graphics.Clear(Color.Wheat); obj_Graphics.SmoothingMode = SmoothingMode.HighQuality; obj_Graphics.DrawString("Line Chart", new Font("Arial", 10, FontStyle.Bold), new SolidBrush(Color.Purple), new Point(30, 30)); System.Web.HttpContext.Current.Response.ContentType = "image/jpeg"; obj_Bitmap.Save(System.Web.HttpContext.Current.Response.OutputStream, ImageFormat.Jpeg); obj_Bitmap.Dispose(); obj_Graphics.Dispose(); System.Web.HttpContext.Current.Response.End(); return obj_Bitmap; } Bitmap bmp = new Bitmap(500, 500); bmp=draw();