C# - Sending Emails From A Windows Forms Application?
Jun 7, 2012
I'm building a windows forms application that's supposed to run on a remote/isolated machine and send error notifications by email to the admins. I've tried employing System.Net.Mail classes to achieve this but I'm running into a strange problem:
1. I get an error message:
System.IO.IOException: Unable to read data from the transport connection:
An existing connection was forcibly closed by the remote host.--->
System.Net.Sockets.SocketException: An existing connection was forcibly closed by
the remote host at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset,
[code]....
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Mar 17, 2012
I want to send emails to all the followers of my website as soon as a new article is submitted.
PROBLEM: I want to send the emails asynchronously using threading or a windows service. I am not sure about windows service as I am using a shared hosting. But my real concern is that I want to send out the emails only when traffic is low in my site. How do I go about this? Ho do I check if traffic is low or not?
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Jun 11, 2011
how to send emails from a vb.net(visual studio 2005) application using System.net.mail
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Apr 9, 2012
class code:-
Imports Microsoft.VisualBasic
Imports System.Net.Mail
Public Class SendEmail
[code]....
code inside the ctrl "button sub"
Dim objemail As New SendEmail
objemail.Mailto = txtEmail.Text
objemail.email()
LabelEmail.Text = "The email has been sent"
The specified string is not in the form required for an e-mail address, and i have tried to intilize vaild email in "mailto" field and ive removed everything in proprieties and fields?
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Mar 14, 2012
Now there's a user "A" who has 100 followers...now what i want to do is whenever user "A" submits an article in the website all his followers should get an email with the article link...that is okay i can do it.
Problem: Now, there's a submit button on the page which stores the article in the DB and sends email to the followers...as there are many followers it takes a lot of time sending the emails...so the page keeps showing loading msg till all the emails are sent..how can i send all the emails asynchronously ??
i mean after the article has been submitted ...the emails should go automatically to the followers without putting the email sending function in the click event of the button....hope am not confusing you folks.
can i do something like store the article in the DB , redirect to the article page , start sending emails in a batch of 10 per 10 mins automatically...this process should start as soon as an article has been submitted by an user.
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Jul 14, 2009
What are the different ways to send the emails using vb.net?
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Apr 16, 2009
I have been trying to make my own app for sending emails. But I have been trying to make it where I don't have to sign into my hotmail account, it just does it automatically. Then all I need to do is fill out the recipients, subject, and body for the message and hit send but I am having issues. I can't for the life of me get it to work. After a week of messing around with it and scouring the internet for help, I have gotten to where the only error I get is, failure to send message.
Imports System.Net.Mail
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[code]....
I have been working on this because I can't use Outlook with hotmail and I figured it would be interesting to try, but it turns out to be a lot harder than I expected.
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Sep 25, 2010
On my Contacts page I have a form with Name,Email,Subject,Message textboxes.when I click the Send button I receive this error message "The SMTP server requires a secure connection or the client was not authenticated. The server response was: authentication required"this is the code I have behind the Send button
Protected Sub btnsend_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnsend.Click
Dim mail_to As String = (my yahoo email)
[code]......
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Jul 20, 2009
I used the following code to send emails through outlook using vb.net. I installed windows xp professioanal,ms visual studio 2005, ms outlook 2002. But i am getting the following error. Operation aborted (Exception from HRESULT: 0x80004004 (E_ABORT))".
' Create an Outlook application.
Dim oApp As Object
oApp = New Outlook.Application()
[Code].....
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Mar 18, 2011
Now there's a user "A" who has 100 followers...now what i want to do is whenever user "A" submits an article in the website all his followers should get an email with the article link...that is okay i can do it.roblem: Now, there's a submit button on the page which stores the article in the DB and sends email to the followers...as there are many followers it takes a lot of time sending the emails...so the page keeps showing loading msg till all the emails are sent..how can i send all the emails asynchronously ?? i mean after the article has been submitted ...the emails should go automatically to the followers without putting the email sending function in the click event of the button....hope am not confusing you folks.
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Jul 21, 2009
is it possible to send emails with vb? i searched some other websites and they say its possible but none of them say how
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Jun 25, 2012
I'm currently using SmtpClient to send emails to users that register or sign up for an event.When they click register it saves the info and calls the send email function, but it takes slightly less than a second to send an email which is too long.Is there a way to save the users info and after the page is loaded it calls the send email function from vb in the background.
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Dec 13, 2011
I am working on a project in which admin wants to send updates of website via email to all registered users on web site.How to do this.?
[Code]...
This is the backend code i am using for sending 1 email.How can i use this to send emails in bulk?
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Dec 5, 2011
I need to send e mail from a asp.net web site. I use this code to send mail
Dim Mail As New MailMessage(fromEmail, toEmail, subject, message)
Mail.IsBodyHtml = True
Mail.Priority = MailPriority.Normal
[Code]....
Sometimes this works fine (sends the mail without any error), but sometimes it does not work and gives an error saying,
Mailbox unavailable. The server response was: address@domain.com must check for new mail first
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Jun 8, 2011
I am using tiny mce in a text box and trying to send emails.
<asp:TextBox ID="txtBody" runat="server" Rows="10" class="tinymce"
TextMode="MultiLine" Width="100%"></asp:TextBox>
but the email which is sent is not formatted..
<p><span style="background-color: #ff0000;">hello</span></p>
it shouldnt say all that? just hello with a red background?
Sub SendEmail(ByVal sEmailAddressFrom As String, ByVal sEmailAddressTo As String, ByVal sSubject As String, ByVal sBody As String)
Dim msg As New MailMessage
msg.To = sEmailAddressTo[code].......
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Oct 11, 2009
My latest project requires both sending and receiving emails. Now i know how to send emails using a gmail account, but what im having incredible difficulty with, is accepting emails. What i want, is to have a program that both has the ability to send emails, and capture emails being sent to the logged in user, and place them in an inbox list. I was wondering if anyone knew how to receive emails with a program, even temporarily, so that when an email is sent to the user, my program knows about it, and can take the body from the email, and place it in say a textbox.
[Code]...
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Dec 15, 2011
I am developing project in which i am sending emails to multiple user as follows
Dim users(20) As String
users(0) = "xxx@xxx.com"
users(1) ="xxx@xxx.com"
[Code]....
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Jan 28, 2012
When I try to send an email with Gmail using VB.Net or C# I keep getting the following message: Failure sending email - An attempt was made to access a socket in a way forbidden by its access permissions - Unable to access remote server. I have tried using several Gmail accounts including VB.Net code that worked in the past, like the following:
[Code]...
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May 16, 2009
I have a simple program that uses this code
Dim sParams as string = ""
Dim emailto as string = TextBox1.Text
Dim subject as string = TextBox2.Text
Dim body as string = TextBox3.Text
sParams = "mailto:" & emailto & "?subject=" & subject & "&body=" & body System.Diagnostics.Process.Start(sParams)
From this thread [URL]
Now I have a table with about 6 email address's in. How would I go about sending emails to each one of these emails in the database using this code. User can also add emails to the database.
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Jan 5, 2011
At present I have wrote an application (in-house CRM, vb .net 2010) which allows me to send emails under the selected customer & I categorised these emails.As these are categorised I can return data to display email history in my program by using search criteria:
Dim oMail As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderSentMail)
Dim sSearch As String
sSearch = "[Categories] = '" + "[" + tAccount.Text.Trim + "]" + "(" + tShipTo.Text.Trim + ")'"
Dim oItems As Outlook.Items = oMail.Items.Restrict(sSearch)
However the limitation to the above is it only looks at sent items & no other folder.My ideal solution would be to display all email correspondence for a certain contact.
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Oct 15, 2009
I am using VB5 on a Windows XP SP3 computer.I have an application that send emails to customers that have birthdays today and that bought a product from me today. If I run the application several times with the same search criteria with the same customers and the same date and time, I "may" or "may not" get the save Emails sent out.I am using a MAPI Signon prior to the birthday select and MAPI Signoff after the birthday select; another MAPI Signon prior to the sales today select and MAPI Signoff after the sales today select.I count the emails that are supposed to be produced in each select above and the counts are correct. It's the emails that may not agree with the counts.What could cause this?
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Jul 9, 2010
I have a basic three form application. It doesn't seem to close after navigating through forms. If I were to open the application, and the main form is displayed. If I press the X button, the application closes fine(Goes from processes) If I were to open the application, and then navigate from the main form to another form using me.hide & form1.show, and press the red X on Form1, the application again, closes fine.
[Code]...
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Apr 9, 2010
I have the requirement to create an application that has multiple front ends developed using Windows Forms, WPF, ASP and Compact Framework Mobile Forms.I would like to be able to create a series of obejct representing the business logic and have this logic accessible from the various front ends available. My first thought was to use remoting as I'd like to be able to pass the business objects back and forth between client and server but the compact framework doesn't support remoting and also transferring a full framework business object to a compact framework business object doesn't seem possible.My next thought was to use web services but again the passing of business objects seems to be very hard to accomplish. Without doing this I would have to create individual web methods for each business operation.
Finally my next option is to use sockets and write the whole client/server logic within some classes and expose them to the UI/Business layer. My only problem with this is it is not scaleable should the number of clients increase dramatically whereas using remoting or web services I can host the solution via ASP.Net.Does anybody have an ideas on the best way forward for this or even have any input on how they would write an application that required a windows form, wpf, asp website and mobile device GUI all of which want to use the same business logic?
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Jan 19, 2010
I'm porting code that I wrote for use in a Windows Forms application to a Windows Service, but for some reason, the code that worked in the Windows Forms application is now throwing errors in the Service
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Sep 24, 2010
I am making a System Tray Application when i minimize my form its hide itself in the tray but whenever i click on the tray icon my form shows now when my form shows up i would like to disable my Background desktop same as CardSpace when its shows up.
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Aug 2, 2011
I have a windows forms application written in VB.NET which scrapes information from serveral web pages (who doesn't right)? Anyway, I am having problem with one particular site where partway through the page navigation my application hangs. When I press pause (or break) in the debugger, it stops on a call to System.Windows.Forms.Application.DoEvents.
Resuming execution shows that it really is stuck on this line (it does not reach the next line of code). It also hangs about the same point each time I run it (at least its consistent). Since System.Windows.Forms.Application.DoEvents yields to other threads on the same processor and then resumes execution of the current thread, I think the problem is that some other thread is not behaving well (not returning from some event handling code). I thought Windows 7 was pre-emptive, which makes me
doubt that theory but I really don't know.
[Code]...
The program scrapes somewhere between 12 and 14 pages before it gets stuck on the call to DoEvents. Does anyone have a clue why this would happen? Why would any call to DoEvents hang?
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Sep 14, 2010
I am trying to use the System.Diagnostics.Process class.I have the following Windows Forms application. It consists of 1 Button and 1 TextBox. The only code is for the button click event as follows.
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim myProcess As New Process()
[code]....
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Feb 7, 2010
I have a fully functional multi-threaded VB2008 console application that I need to convert to a windows forms application. I am doing this to add additional functionality at a later time. How would I go about doing this?
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Jun 23, 2010
My boss gave me an MS Access application that was developed by our former colleague. He wants me to convert that application to VB.Net Windows form application. I went through the MS Access Application. It contains tables, queries, forms, reports and macros. I could not find the programming (Where is the code written in MS Access?). My boss wants the windows application to be same as the MS Access Application (both in design and logic). I don't how will i develop the windows form. How can I achieve this?
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Jun 23, 2010
My boss gave me an MS Access application that was developed by our former colleague. He wants me to convert that application to VB.Net Windows form application. I went through the MS Access Application. It contains tables, queries, forms, reports and macros. I could not find the programming (Where is the code written in MS Access?). My boss wants the windows application to be same as the MS Access Application (both in design and logic). I don't how will i develop the windows form.
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