Luigi Melisi » Tips and Tricks

Come rimuovere tutti i tag HTML da una stringa con Visual C#

Luigi Melisi — Mon, 21 Jun 2010 08:32:00 +0000

L’esempio riportato di seguito mostra un metodo molto semplice per rimuovere tutti i tag HTML, presenti in una stringa, utilizzando Visual C#(sharp) e le Regular Expressions :

using System.Text.RegularExpressions;
...
const string HTML_TAG_PATTERN = "<.*?>";
static string StripHTML (string inputString)
{
    return Regex.Replace(inputString, HTML_TAG_PATTERN, string.Empty);
}

Come eliminare i file temporanei di Internet con Visual C#

Luigi Melisi — Fri, 18 Jun 2010 09:16:17 +0000

Ecco una semplice procedura per eliminare la cache di Microsoft Internet Explorer con Visual C#

using System.IO;
...
void clearIECache()
{
     ClearFolder (new DirectoryInfo (Environment.GetFolderPath
      (Environment.SpecialFolder.InternetCache)));
}
void ClearFolder (DirectoryInfo folder)
{
   foreach (FileInfo file in folder.GetFiles())
      { file.Delete(); }
   foreach (DirectoryInfo subfolder in folder.GetDirectories())
      { ClearFolder(subfolder); }
}
public static void Main( )
{
   new Test().clearIECache ();
}

[C#] : Come scansionare un Array con LINQ

Luigi Melisi — Sat, 12 Jun 2010 10:05:59 +0000

using System;
using System.Collections;
using System.Collections.Generic;
namespace ForEachExaple
{
     public static class Utility
     {
         public static void ForEach(this IEnumerable coll, Action function)
         {
            IEnumerator en = coll.GetEnumerator();
            while (en.MoveNext())
            function(en.Current);
          }
     }
class Program
{
   static void Main(string[] args)
   {
      var array = new int[] { 1, 2, 3 };
      //Output : 123
      array.ForEach(val => Console.Write(val));
    }
 }
}

[C#] : Come inviare una mail con gmail

Luigi Melisi — Thu, 10 Jun 2010 21:57:29 +0000

Ecco un metodo sempice e veoloce per inviare una mail da Gmail con C# :

string host = "smtp.gmail.com";
int port;
//port = 587; // with TLS
//port = 465; // with SSL
port = 25; // normal ‐ works for my gmail account with enableSSL
string fromEmail = "myemail@mydomain.com";
var fromAddress = new MailAddress(fromEmail);
var toAddress = new MailAddress("myemail@aDifferentDomain.com");
MailMessage message = new MailMessage(fromAddress, toAddress)
{
Subject = "subject",
Body = "body",
};

var smtp = new SmtpClient(host, port) {
Credentials=new NetworkCredential(fromEmail, "password"),
EnableSsl = true,
Timeout = 30000,
};
try {
smtp.Send(message);
}
catch(SmtpException se) {
//log
}
message.Dispose();
};

[C#] : Come passare da Excel a Datatable

Luigi Melisi — Thu, 10 Jun 2010 21:14:48 +0000

string connectionString = string.Format("Provider = Microsoft.Jet.OLEDB.4.0; data source =
                                                                   {0};Extended Properties=Excel 8.0;",file);
 
OleDbDataAdapter = new OleDbDataAdapter("SELECT * FROM [TABLES1$]",connectionString);
 
DataSet ds = new DataSet();
 
adapter.Fill(ds,"Name");
 
DataTable dt = ds.Tables["Name"];

[VB.NET] : Inviare una mail in formato HTML

Luigi Melisi — Sat, 20 Mar 2010 00:58:34 +0000

Function SendEmail(ByVal ToAddress As String, ByVal FromAddress As String, ByVal MessageSubject As String, ByVal MessageBody As String)
Dim MessageHead As String = ""
MessageHead = MessageHead & "