My Oracle account scott is locked after i have installed oracle 10g

After you have installed oracle 10g, Most of the accounts are locked in the begining.

Try giving the following command to unlock this

Alter user scott identified by tiger account unlock

How to open SAP automatically

Go to folder
Step 1: C:\program files\SAP\FrontEnd\SAPgui
Step 2: There will be a file sapshcut.exe.
Step 3: Create a batch file and put the following in it as contents and execute
start sapshcut.exe -system= -user= -pw=
-client=

How to logon via sapgui without entering u sername and password

sapgui640 from each log to enter a password (to)
1、Start > Run > sapshcut.exe
2、Start > Run > regedit
HKEY_CURRENT_USER \ Software \ SAP \ SAPShortcut \ Security
Change value of EnablePassword from 0 to 1
3, SAP sign of a shortcut.

Encrypt and Decrypt querystring

Please Create a class Encryption as given below
and then

Use the following to Encrypt
============================
Encryption encrypt = new Class.Encryption();
string Url = "http://page.aspx?param1=" + encrypt.EncryptQueryString(parameter_querystring);

Use the following for Decrypt
============================
Encryption Decrypt = new Class.Encryption();
string encryptParam1 = Request.QueryString["param1"];
string param1 = Decrypt .DecryptQueryString(encryptParam1 .Replace(" ", "+"));

Encryption.Cs File
==================
using System;
using System.IO;
using System.Xml;
using System.Text;
using System.Security.Cryptography;
namespace Lucas.Class
{
public class Encryption
{
private byte[] key = {};
private byte[] IV = {18, 52, 86, 120, 144, 171, 205, 239};

private string Decrypt(string stringToDecrypt, string sEncryptionKey)
{

byte[] inputByteArray = new byte[stringToDecrypt.Length + 1];
try
{
key = System.Text.Encoding.UTF8.GetBytes(Left(sEncryptionKey, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
inputByteArray = Convert.FromBase64String(stringToDecrypt);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(key, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding = System.Text.Encoding.UTF8;
return encoding.GetString(ms.ToArray());
}
catch (Exception e)
{
return e.Message;
}
}

private string Encrypt(string stringToEncrypt, string SEncryptionKey)
{
try
{
key = System.Text.Encoding.UTF8.GetBytes(Left(SEncryptionKey, 8));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = Encoding.UTF8.GetBytes(stringToEncrypt);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(key, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);

cs.FlushFinalBlock();
return Convert.ToBase64String(ms.ToArray());
}
catch (Exception e)
{
return e.Message;
}
}

private string Left(string MyString,int length)
{
string tmpstr = MyString.Substring(0, length);
return tmpstr;
}

public string EncryptQueryString(string strQueryString)
{
return Encrypt(strQueryString,"!#$a54?3");
}

public string DecryptQueryString(string strQueryString)
{
return Decrypt(strQueryString,"!#$a54?3");
}
}
}

Do not allow to go back when "Back" button pressed

In Body tag or frameset tag give
Body onunload="location.replace(self.location)"

How to stop program from hanging when alt-Tab is pressed in C#.Net

Application.Doevent() causes the application to execute all in the queue.Call this after the critical process.This will repaint the form .