public class DisplayData
    {
        private static DisplayData instance = null;

        private DisplayData() { }

        public static DisplayData Instance
        {
            get
            {
                if (instance == null)
                    instance = new DisplayData();

                return instance;
            }

        }
        /// <summary>
        /// Get Attibute alias from Data annotation. If no exist Display(Name=) into attribute,
        /// this method return name of attributes
        /// </summary>
        /// <param name="objClass">class parent</param>
        /// <param name="propertyName"> attribute name</param>
        /// <returns>Alias name</returns>
        public string GetAttributeAlias(object objClass, string propertyName)
        {

            var attrType = typeof(DisplayAttribute);
            var property = objClass.GetType().GetProperty(propertyName);

            if (property.CustomAttributes.Count() > 0)
                return ((DisplayAttribute)property.GetCustomAttributes(attrType, false).First()).Name;
            else
                return property.Name;
        }
        /// <summary>
        /// Get Attibute value.
        /// </summary>
        /// <param name="objClass">class parent</param>
        /// <param name="propertyName"> attribute name</param>
        /// <returns>attribute value</returns>
        public object GetAttributeValue(object objClass, string propertyName)
        {
            var property = objClass.GetType().GetProperty(propertyName);
            return property.GetValue(objClass, null);
        }
    }