public ConfigPriceMe() { BLL.DbBase db = new DbBase(); System.Data.DataTable dt = db.ExecuteDataSet("SELECT DISTINCT category FROM dbo.Price").Tables[0]; var model = new ConfigPriceMe(0); foreach (System.Data.DataRow item in dt.Rows) { if (!Exist(item["category"].ToString())) { model.id = MongoDB.Oid.NewOid().ToString(); model.name = item["category"].ToString(); model.Price_Plus = 1; Insert(model); System.Threading.Thread.Sleep(1000); } } }