DomainHelper

public class DomainHelper
    {
        public static void SetDomainValue(string key, object password)
        {
            AppDomain.CurrentDomain.SetData(key, password);
        }

        public static T GetDomainValue<T>(string key)
        {
            object value=AppDomain.CurrentDomain.GetData(key) ;
            if(value==null)return default(T);
            return (T)value;
        }
    }