HBM.GeneralManagement.Source.IsDuplicateTypeName C# (CSharp) Method

        public bool IsDuplicateTypeName()
        {
            return (new SourceDAO()).IsDuplicateTypeName(this);
        }

        protected void gvSource_RowInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e)
        {
            dsData = Session[Constants.SESSION_SOURCE] as DataSet;
            ASPxGridView gridView = sender as ASPxGridView;
            DataRow      row      = dsData.Tables[0].NewRow();
            Random       rd       = new Random();

            e.NewValues["SourceId"]    = rd.Next();
            e.NewValues["StatusId"]    = (int)Enums.HBMStatus.Active;
            e.NewValues["CompanyId"]   = SessionHandler.CurrentCompanyId;
            e.NewValues["CreatedUser"] = SessionHandler.LoggedUser.UsersId;

            IDictionaryEnumerator enumerator = e.NewValues.GetEnumerator();

            enumerator.Reset();
            while (enumerator.MoveNext())
            {
                if (enumerator.Key.ToString() != "Count")
                {
                    row[enumerator.Key.ToString()] = enumerator.Value == null ? DBNull.Value : enumerator.Value;
                }
            }
            gridView.CancelEdit();
            e.Cancel = true;

            dsData.Tables[0].Rows.Add(row);

            source.SourceName = e.NewValues["SourceName"].ToString();

            if (!source.IsDuplicateTypeName())
            {
                if (source.Save(dsData))
                {
                    this.LoadSource();
                }
            }
            else
            {
                throw new System.Exception(Messages.Duplicate_record);
            }
        }