C#

public Orientation CurrentSplitterOrientation
{
    set { splitContainer1.Orientation = value; }

    get { return splitContainer1.Orientation; }
}

private SubForm1 subForm1 = new SubForm1();

private void Form1_Load(object sender, EventArgs e)
{
    subForm1.MdiParent = this;
    subForm1.Show();

}

private void button1_Click_1(object sender, EventArgs e)
{
    subForm1.MdiParent = null;
    subForm1.CurrentSplitterOrientation = Orientation.Vertical;
}

using (MailMessage mail = new MailMessage())
{
    mail.From = new MailAddress("me@mycompany.com");
    mail.To.Add("you@yourcompany.com");
    mail.Subject = "This is an email";
    
    AlternateView plainView = AlternateView.CreateAlternateViewFromString("This is my plain text content, viewable by those clients that don't support html", null, "text/plain");
    AlternateView htmlView = AlternateView.CreateAlternateViewFromString("<p>Here is an embedded image: <img src=\"cid:myimage\"></p>", null, "text/html");
    
    MemoryStream stream = new MemoryStream();
    theImage.Save(stream, ImageFormat.Jpeg);
    stream.Seek(0L, SeekOrigin.Begin);
    
    LinkedResource imageResource = new LinkedResource(stream, MediaTypeNames.Image.Jpeg);
    imageResource.ContentId = "myimage";
    htmlView.LinkedResources.Add(imageResource);
    
    mail.AlternateViews.Add(plainView);
    mail.AlternateViews.Add(htmlView);
    
    SmtpClient smtp = new SmtpClient("127.0.0.1");
    smtp.Send(mail);
}

void OnDataChange(object sender, SqlNotificationEventArgs e)
        {
            ((SqlDependency)sender).OnChange -= OnDataChange;

            if (e.Source == SqlNotificationSource.Timeout)
            {
                var template = new MailTemplate()
                    .WithBody("HI,<br><br>Part Indexer Service Exception Timeout occur " + DateTime.Now.ToLongDateString())
                    .WithSubject("Part Indexer Service Exception Timeout occur")
                    .WithSender("bba-india@bba-reman.com")
                    .WithRecepient("tridip@bba-reman.com")
                    .Send();
                RegisterNotification();
                return;
            }
            else if (e.Source != SqlNotificationSource.Data)
            {
                var template = new MailTemplate()
                    .WithBody("HI,<br><br>Part Indexer Service Exception SqlNotificationSource.Data " + DateTime.Now.ToLongDateString())
                    .WithSubject("Part Indexer Service Exception SqlNotificationSource.Data")
                    .WithSender("bba-india@bba-reman.com")
                    .WithRecepient("tridip@bba-reman.com")
                    .Send();

                Environment.Exit(1);
            }

            StartIndex();
            RegisterNotification();
        }

Quote:

please answer my all question point wise.

Tridip Bhattacharjee wrote:

what technology people use in share trading application

Tridip Bhattacharjee wrote:

because each share price frequently goes up and down

Tridip Bhattacharjee wrote:

o discuss if you were in that kind of situation.

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]