DBDataPermissionAttribute
Associates a security action with a custom security attribute.
                using System.ComponentModel;
using System.Security.Permissions;
namespace System.Data.Common
{
    [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
    public abstract class DBDataPermissionAttribute : CodeAccessSecurityAttribute
    {
        public bool AllowBlankPassword { get; set; }
        public string ConnectionString { get; set; }
        public KeyRestrictionBehavior KeyRestrictionBehavior { get; set; }
        public string KeyRestrictions { get; set; }
        protected DBDataPermissionAttribute(SecurityAction action)
            : base(action)
        {
        }
        [EditorBrowsable(EditorBrowsableState.Never)]
        public bool ShouldSerializeConnectionString()
        {
            return false;
        }
        [EditorBrowsable(EditorBrowsableState.Never)]
        public bool ShouldSerializeKeyRestrictions()
        {
            return false;
        }
    }
}