/// <summary>
        /// Uncheck All hierarchy nodes
        /// </summary>
        /// <returns></returns>
        public Boolean UnCheckAllHierarchyNode()
        {
            Boolean flag = true;

            try
            {
                if (CheckAllHierarchyNodesCheckBox.IsDataAllhierarchyBoxChecked())
                {
                    CheckAllHierarchyNodesCheckBox.DataAllHierarchyCheck();
                    flag = true;
                }
                else
                {
                    flag = false;
                }
                return(flag);
            }
            catch (Exception)
            {
                return(false);
            }
        }