public static DESEncrypt CreateInstance()
{
if (uniqueInstance == null)
{
lock (locker)
{
if (uniqueInstance == null)
{
uniqueInstance = new DESEncrypt();
}
}
}
return uniqueInstance;
}
private SqlHelper()
{
string constring = ConfigurationManager.AppSettings["sqlcon"];
this.connectionString = DESEncrypt.CreateInstance().Decrypt(constring);
}