C#

using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Windows.Forms;
namespace WinForms.Controls
{
    /// <summary>
    /// LinkLabel with URL.
    /// </summary>
    public class URLLabel : LinkLabel
    {
        /// <summary>
        /// Creates a new instance of the URLLabel.
        /// </summary>
        public URLLabel()
        {
            URL = "about:blank";
        }
        /// <summary>
        /// Gets or sets the URL that will launched in the default browser when the label is clicked.
        /// </summary>
        [DefaultValue("about:blank"),
        Description("The URL that will launched in the default browser when the label is clicked.")]
        public string URL
        {
            get;
            set;
        }
        protected override void OnClick(EventArgs e)
        {
            try
            {
                Process.Start(URL);
            }
            catch (Exception ex)
            {
                // Log error here, or alert user.
                Console.WriteLine(ex.Message);
            }
            finally
            {
                base.OnClick(e);
            }
        }
    }
}

//Encrypt Value formatted as a base64-encoded string.
public static string Encrypt(string plainText,
                             string passPhrase,
                             string saltValue,
                             string hashAlgorithm,
                             int passwordIterations,
                             string initVector,
                             int keySize)
{
    //Covert strings into byte arrays.
    byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
    byte[] salValueBytes = Encoding.ASCII.GetBytes(saltValue);
    //Convert our plaintext password to a byte array.
    byte[] plainTextBytes = Encoding.UTF8.GetBytes(plainText);
    //Create a password from which the value will be derived
    PasswordDeriveBytes password = new PasswordDeriveBytes(passPhrase,
        salValueBytes, hashAlgorithm, passwordIterations);
    //Use the password to generate psuedo-random bytes for encryption key.
    //Specify the size of the key in bytes (intead of bits).
    byte[] keyBytes = password.GetBytes(keySize / 8);
    //Create uninitialized Rijndael encryption object.
    RijndaelManaged symmetricKey = new RijndaelManaged();
    //Set encryption mode to Cipher Block Chaining(CBC).
    symmetricKey.Mode = CipherMode.CBC;
    //Generate encryptor from the existing key bytes and initialization vector.
    ICryptoTransform encryptor = symmetricKey.CreateEncryptor(keyBytes,
        initVectorBytes);
    //Define memorystream to hold encrypted data.
    MemoryStream memoryStream = new MemoryStream();
    //Define Cryptographic stream. (Always use write mode)
    CryptoStream cryptoStream = new CryptoStream(memoryStream, encryptor,
        CryptoStreamMode.Write);
    //Start Encrypting
    cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
    //Finish encrypting
    cryptoStream.FlushFinalBlock();
    //Convert encrypted stream to a byte array
    byte[] cipherTextBytes = memoryStream.ToArray();
    //Close both streams
    memoryStream.Close();
    cryptoStream.Close();
    //Convert to encrypted into base64-encoding string
    string cipherText = Convert.ToBase64String(cipherTextBytes);
    //return encrypted string
    return cipherText;
}

//Now for the Decyption.

public static string Decrypt(string cipherText,
                             string passPhrase,
                             string saltValue,
                             string hashAlgorithm,
                             int passwordIterations,
                             string initVector,
                             int keySize)
{
    byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
    byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
    byte[] cipherTextBytes = Convert.FromBase64String(cipherText);
    PasswordDeriveBytes password = new PasswordDeriveBytes(
                                                    passPhrase,
                                                    saltValueBytes,
                                                    hashAlgorithm,
                                                    passwordIterations);
    byte[] keyBytes = password.GetBytes(keySize / 8);
    RijndaelManaged symmetricKey = new RijndaelManaged();
    symmetricKey.Mode = CipherMode.CBC;
    ICryptoTransform decryptor = symmetricKey.CreateDecryptor(
                                                     keyBytes,
                                                     initVectorBytes);
    MemoryStream memoryStream = new MemoryStream(cipherTextBytes);
    CryptoStream cryptoStream = new CryptoStream(memoryStream,
                                                  decryptor,
                                                  CryptoStreamMode.Read);
    byte[] plainTextBytes = new byte[cipherTextBytes.Length];
    int decryptedByteCount = cryptoStream.Read(plainTextBytes,
                                               0,
                                               plainTextBytes.Length);
    memoryStream.Close();
    cryptoStream.Close();
    string plainText = Encoding.UTF8.GetString(plainTextBytes,
                                               0,
                                               decryptedByteCount);
    return plainText;
}

(Period > 9 AND Year > 2007) AND (Period < 5 AND Year < 2008)

I are troll

string strSEQ = 
@"DECLARE
N NUMBER(10);
BEGIN
    SELECT MAX(ID)+1 INTO N FROM "+ strTableName +@";
-- CREATING SEQUENCE
Execute immediate ('DROP SEQUENCE SEQ_TEMP');
Execute immediate ('CREATE SEQUENCE SEQ_TEMP
    MINVALUE 1
    START WITH '||N||'
    INCREMENT BY 1
    CACHE 20
    ORDER');
END;
/
";

                
                //Writing a script file and executing it
                string strTempFile = Environment.GetEnvironmentVariable("TEMP")+"\\tmp_SCRIPT.SQL";
                string CR = "\r\n";

                System.IO.StreamWriter sw;

                System.Diagnostics.Process p = new System.Diagnostics.Process();
                p.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                p.StartInfo.CreateNoWindow = true;
                p.EnableRaisingEvents = true;
                p.Exited += new System.EventHandler(p_Exited);

                p.StartInfo.FileName = @"SQLPLUS.exe";
                

                //Writing Script File
                sw = new System.IO.StreamWriter(strTempFile);
                sw.Write(strSEQ);
                sw.Flush();
                sw.Close();

                p.StartInfo.Arguments = @"USERNAME/PASSWORD @" + strTempFile + "  >> " + 
                strTempFile.Replace(".sql",".log");
                p.Start();
            }

            private void p_Exited(object sender, EventArgs e)
            {
                MessageBox.Show("Done");
            }