public bool Insert(LeadHeaderDomain enitity)
 {
     try
     {
         var result = this.Insert<LeadHeaderDomain>(enitity);
         return true;
     }
     catch (Exception)
     {
         return false;
     }
 }
        public void Delete(LeadHeaderDomain entity)
        {
            try
            {
                this.Delete<LeadHeaderDomain>(entity);
            }
            catch (Exception)
            {

                throw;
            }
        }