ASP.NET

1. dedicated to updating the database
2. dedicated to generating the PDF
3. dedicated to sending emails

Imports System.Net.Mail
Imports System.Threading.Tasks
Imports CO_Standard.Models
Imports System.Net
Imports System.Net.Security
Imports System.Configuration

Public Class sendEngineAsync

    Public Shared Function Create_SMTPClient(ByVal smtpC As hx5.common.structure_smtp_connector) As SmtpClient

        Dim smtpClient As New SmtpClient()

        smtpClient.UseDefaultCredentials = False
        smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network

        Select Case smtpClient.Port
            Case 587
                smtpClient.EnableSsl = False

            Case 443
                smtpClient.EnableSsl = True

            Case 25
                smtpClient.EnableSsl = False

            Case Else
                smtpClient.EnableSsl = False

        End Select

        Dim smtpCredentials = New Net.NetworkCredential
        smtpCredentials.UserName = smtpC.Credentials_LoginID
        smtpCredentials.Password = smtpC.Credentials_Password
        smtpClient.Credentials = smtpCredentials

        smtpClient.Host = smtpC.Connector_ServerAddress
        smtpClient.Port = smtpC.Connector_SMTP_PortNum
        smtpClient.Timeout = 250000

        Return smtpClient

    End Function
    Public Shared Async Function SendEmailAsync( _
        ByVal smtpClient As SmtpClient,
        ByVal message As MailMessage,
        ByVal retryCount As Integer) As Task(Of SendEmailCompletedEventArgs)

        Dim currentTry As Integer = 0
        While currentTry < retryCount

            Try

                Await smtpClient.SendMailAsync(message)
                Return New SendEmailCompletedEventArgs(Nothing, False, Nothing, currentTry)

            Catch ex As Exception

                currentTry += 1
                If currentTry >= retryCount Then
                    Return New SendEmailCompletedEventArgs(ex, True, Nothing, currentTry)
                End If

            End Try

        End While

        //Code should never reach here, but without this line you ll get a BC42105 warning:
        Return New SendEmailCompletedEventArgs(Nothing, True, Nothing, currentTry)

    End Function

Dim mailMessage As New MailMessage()
mailMessage.From = New MailAddress(smtpC.Options_WebsiteName & " < " & smtpC.Options_SentFrom & " >")
mailMessage.ReplyToList.Add(New MailAddress(smtpC.Options_ReplyTo))
mailMessage.To.Add(New MailAddress(names.firstName & " " & names.lastName & "<" & p.Email_Destination & ">"))
mailMessage.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure
mailMessage.IsBodyHtml = True
mailMessage.BodyEncoding = System.Text.Encoding.UTF8
mailMessage.Priority = MailPriority.High
mailMessage.Subject = m_Subject & " - " & DateTime.Now.ToLongTimeString()
mailMessage.SubjectEncoding = System.Text.Encoding.UTF8

Using SmtpClient As SmtpClient = sendEngine.Create_SMTPClient(smtpC)

   Dim result As SendEmailCompletedEventArgs = sendEngine.SendEmail(SmtpClient, mailMessage, p.retryCount)
   sendEngineAsync.ProcessSendResult(model, result, pValue)

End Using

samflex wrote:

What is so complicated about asking how to save records to the db and generate and send a pdf attachment via email?

1. you send the class to a function to write the data,
2. then send the class to a function to generate your pdf,
3. then send the class to a function to send the email.

Task, Async

public async Task<ActionResult> Test()
        {
            var parameters = new List<KeyValuePair<string, string>>
            {
                new KeyValuePair<string, string>("login", ""),
                new KeyValuePair<string, string>("password", ""),
            };

            var data = new FormUrlEncodedContent(parameters);

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://ekinobilet.ru/ekbs/upload.aspx");
            request.Method = "POST";

            byte[] dataArray = await data.ReadAsByteArrayAsync();
            request.ContentLength = dataArray.Length;
            request.ContentType = "application/x-www-form-urlencoded";

            var dataStream = await request.GetRequestStreamAsync();
            dataStream.Write(dataArray, 0, dataArray.Length);
            dataStream.Close();

            var resp = await request.GetResponseAsync();
            dataStream = resp.GetResponseStream();

            Stream receiveStream = resp.GetResponseStream();
            StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8);
            var responseText = readStream.ReadToEnd();

            StringBuilder output = new StringBuilder();
            XmlReader reader = XmlReader.Create(new StringReader(responseText));
            {
                reader.ReadToFollowing("list");
                reader.MoveToFirstAttribute();
                string count = reader.Value;
                output.AppendLine(count);
                string size = reader.Value;
                output.AppendLine(size);
                string file = reader.Value;
                output.AppendLine(file);
                string name = reader.Value;
                output.AppendLine(name);
            }
            ViewBag.list = output.ToString();

            return View(responseText);

The challenge now is to send an xml file with an operating authorization that was above...

public class CatalogModel
{
  public int LocalCodeColumn { get; set; }
  public Dictionary<string, string> CustomerTypes { get; set; }
}

public ActionResult Index()
{
  CatalogModel m = new CatalogModel();
  m.CustomerTypes = SelectListHelper.Get_Customer_Types();

  return View(m);
}

public static Dictionary<string, string> Get_Customer_Types()
{
   return new Dictionary<string, string>
  {
    {"Private", "PRIVATE"},
    {"Public", "PUBLIC"},
    {"Both", "BOTH"}
  };
}

@Html.DropDownListFor(m => m.CustomerType, new SelectList(Model.select_customerType, "Value", "Key"), "-- Select Customer Type --", new { @class = "form-control" })

function Save()
{
var Employee = {  
fname: $("#fname").val(),
mname: $("#mname").val(),  
lname: $("#lname").val()
};  
$.ajax({

type:"post",
url:"write url of server method here",
data:JSON.stringify(Employee),
dataType:"json",
success:function(data){
alert("Data saved successfully !");
}
});

}

<div id="selectBrand" class="dropdown-menu selectBrand-menu" role="menu">
    <div class="filter-bar-checkboxes">                                                                                                       
        @Html.CheckBoxListFor(x => x.Brands_Posted.BrandIDs, x => x.Brands_Available, x => x.ID, x => x.Name, x => x.Brands_Selected)
    </div>
    <div class="filter-bar-applyfilters">
        <button id="js_filterBrand" type="submit" class="btn btn-primary">Apply Filter</button> 
    </div>                                                                                 
</div>