ASP.NET

_oSqlConn = New SqlConnection(ConfigurationManager.AppSettings("Test"))
            _oSqlConn.Open()
            _oSqlCmd = New SqlCommand("select cMail_Address from Mail_Tbl where bActive=1", _oSqlConn)
            _oSqlCmd.CommandType = CommandType.Text
            _oSqlAdpat.SelectCommand = _oSqlCmd
            _oSqlAdpat.Fill(DT)

            If DT.Rows.Count > 0 Then

                For i As Integer = 0 To DT.Rows.Count - 1
                    mail.To.Add(DT.Rows(i).Item("cMail_Address"))

                Next
                mail.From = New MailAddress("sathimailin@gmail.com")

                mail.Subject = "Test with Image Embed in Mail and Mail Ids from SQL Database"
                'mail.BodyEncoding = System.Text.Encoding.GetEncoding("utf - 8")

                Body = "<table cellpadding="0" cellspacing="0" width="100%" border="0">"
                Body &= "Welcome to www.website.com!!<br><br>Image Embed."
                '<br><img alt="ss" src="cid:imageId">"
                Body &= "<tr bgcolor="#ffffff">"
                Body &= "<td style="font-size:15px;color:#102C5E;padding-top:20px;padding-bottom:10px;" align="center"><img alt="" hspace="0" src="" cid:imageid="" align="middle" border="0" xmlns:cid="#unknown"><br>  An Image Embed in a Page with ASP.NET/VB.NET/C#/SQL  </br></img></td>"
                Body &= "</tr>"
                Body &= "</img></br></br></br></table>"
                'htmlV = AlternateView.CreateAlternateViewFromString(Body, Nothing, "text/html")
                Dim plainview As System.Net.Mail.AlternateView
               
                plainview = System.Net.Mail.AlternateView.CreateAlternateViewFromString(System.Text.RegularExpressions.Regex.Replace(Body, " @<(.|\n)*?>", String.Empty), Nothing, "text/plain")

                htmlV = System.Net.Mail.AlternateView.CreateAlternateViewFromString(Body, Nothing, "text/html")

                imagelink = New LinkedResource(Server.MapPath(".") + "\pic.jpeg", "image/jpeg")
                imagelink.ContentId = "imageId"
                imagelink.TransferEncoding = System.Net.Mime.TransferEncoding.Base64

                mail.AlternateViews.Add(plainview)
                htmlV.LinkedResources.Add(imagelink)
                mail.AlternateViews.Add(htmlV)

                'smtp(configuration)
                smtp.Host = "smtp.gmail.com"
                mail.Priority = MailPriority.High
                smtp.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis
                smtp.Send(mail)
            End If