ASP.NET

using System.Security.Cryptography;<br />
using System.IO;<br />
using System.Text;<br />
<br />
public class dataencryption{<br />
    private Byte[] KEY_64 ={ 42, 16, 93, 156, 78, 4, 218, 32 };<br />
    private Byte[] VAL_64 ={ 55, 103, 246, 79, 36, 99, 167, 3 };<br />
   <br />
	public dataencryption()	{<br />
		//<br />
		// TODO: Add constructor logic here<br />
		//<br />
	}<br />
<br />
    public string Encryption(string value)    {<br />
        DESCryptoServiceProvider CryptoProvider=new DESCryptoServiceProvider();<br />
        MemoryStream ms = new MemoryStream();<br />
        CryptoStream cs = new CryptoStream(ms, CryptoProvider.CreateEncryptor(KEY_64, VAL_64), CryptoStreamMode.Write);<br />
        StreamWriter sw = new StreamWriter(cs);<br />
        sw.Write(value);<br />
        sw.Flush();<br />
        cs.FlushFinalBlock();<br />
        ms.Flush();<br />
        return Convert.ToBase64String(ms.GetBuffer(), 0,Convert.ToInt16(ms.Length));<br />
        //return value;<br />
    }<br />
<br />
    public string Decryption(string value)    {<br />
        DESCryptoServiceProvider CryptoProvider = new DESCryptoServiceProvider();<br />
        Byte[] buffer=Convert.FromBase64String(value);<br />
        MemoryStream ms = new MemoryStream(buffer);<br />
        CryptoStream cs = new CryptoStream(ms, CryptoProvider.CreateDecryptor(KEY_64, VAL_64), CryptoStreamMode.Read);<br />
        StreamReader sr = new StreamReader(cs);<br />
        return sr.ReadToEnd();<br />
    }<br />
}

<br />
public static string Encrypt(string valueToEncrypt)<br />
{<br />
byte []b;<br />
b = ASCIIEncoding.ASCII.GetBytes(valueToEncrypt);<br />
return Convert.ToBase64String(b);<br />
}<br />
<br />
public static string Decrypt(string valueToDecrypt)<br />
{<br />
byte []b;<br />
b = Convert.FromBase64String(valueToDecrypt);<br />
return ASCIIEncoding.ASCII.GetString(b);<br />
}

samsonx wrote:

have two Radiobutton
if (RadioButton1.Checked==true)
{
RadioButton2.Checked=false;
}
else if(RadioButton2.Checked==true)
{
RadioButton1.Checked=false;
}