C#

Sunil G wrote:

I dont have depth knowledge.
can u explain how to look into inner exception?

void sendEmail(string strFrom
                             , string strTo
                             , string strSubject
                             , string strBody)
        {
            /// Author, Md. Marufuzzaman
            /// Created,
            /// Local dependency, Microsoft .Net framework 
            /// Description, Send an email using (SMTP).           

            MailMessage objMailMessage = new MailMessage();
            System.Net.NetworkCredential objSMTPUserInfo = 
				new System.Net.NetworkCredential();
            SmtpClient objSmtpClient = new SmtpClient();

            try
            {
                objMailMessage.From = new MailAddress(strFrom);
                objMailMessage.To.Add(new MailAddress(strTo));
                objMailMessage.Subject = strSubject;
                objMailMessage.Body = strBody;

                objSmtpClient = new SmtpClient("172.0.0.1"); /// Server IP
                objSMTPUserInfo = new System.Net.NetworkCredential
				("User name", "Password","Domain");
                objSmtpClient.Credentials = objSMTPUserInfo;
                objSmtpClient.UseDefaultCredentials = false;
                objSmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;

                objSmtpClient.Send(objMailMessage);
            }
            catch (Exception ex)
            { MessageBox.Show (ex.Message.Tostring()); }

            finally
            {
                objMailMessage = null;
                objSMTPUserInfo = null;
                objSmtpClient = null;
            }
        }

public event EventHandler Changed;

protected virtual void OnChanged(EventArgs e)
   {
   EventHandler eh = Changed;
   if (eh != null)
      {
      eh(this, e);
      }
   }

private void DoSomethingToChangeData()
   {
   OnChanged(null);
   }

frmChild.Change += new frmChange.ChangeHandler(Changed);

private void Changed(object sender, EventArgs e)
    {
    }

this.Parent.BtnEnabled = true;

"Some text that wont appear, A" == "A" ? "its A" : "its something else"

string text = "A";
string newText = "Some text that wont appear, " + ((text == "A") ? "its A" : "its something else"); 

string text = "A";
string newText = string.Format("Some text that wont appear, {0}", (text == "A") ? "its A" : "its something else"); 

StringBuilder newText2 = new StringBuilder("");
newText2.AppendFormat("Some text that wont appear, {0}", (text == "A") ? "its A" : "its something else");