Draw a bitmap image in vb.net.
Add this namespace
Imports System.Drawing
Imports System.Drawing.Imaging
Write this code on ASPX.VB page
Protected Sub Page_Load(sender As Object, e As EventArgs)
Dim bitmapimg As New Bitmap(120, 120, PixelFormat.Format32bppArgb)
Dim grph As Graphics = Graphics.FromImage(bitmapimg)
Dim br As New SolidBrush(Color.Green)
grph.FillEllipse(br, 4, 4, 110, 110)
Response.ContentType = "image/gif"
bitmapimg.Save(Response.OutputStream, ImageFormat.Gif)
bitmapimg.Dispose()
End Sub