/// <summary> /// 更新一条数据 /// </summary> public bool Update(Tea.Model.user_group_price model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update " + databaseprefix + "user_group_price set "); strSql.Append("article_id=@article_id,"); strSql.Append("group_id=@group_id,"); strSql.Append("price=@price"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@article_id", SqlDbType.Int, 4), new SqlParameter("@group_id", SqlDbType.Int, 4), new SqlParameter("@price", SqlDbType.Decimal, 5), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.article_id; parameters[1].Value = model.group_id; parameters[2].Value = model.price; parameters[3].Value = model.id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Tea.Model.user_group_price model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into " + databaseprefix + "user_group_price("); strSql.Append("article_id,group_id,price)"); strSql.Append(" values ("); strSql.Append("@article_id,@group_id,@price)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@article_id", SqlDbType.Int, 4), new SqlParameter("@group_id", SqlDbType.Int, 4), new SqlParameter("@price", SqlDbType.Decimal, 5) }; parameters[0].Value = model.article_id; parameters[1].Value = model.group_id; parameters[2].Value = model.price; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Tea.Model.user_group_price GetModel(int article_id, int group_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,article_id,group_id,price from " + databaseprefix + "user_group_price "); strSql.Append(" where article_id=@article_id and group_id=@group_id"); SqlParameter[] parameters = { new SqlParameter("@article_id", SqlDbType.Int, 4), new SqlParameter("@group_id", SqlDbType.Int, 4) }; parameters[0].Value = article_id; parameters[1].Value = group_id; Tea.Model.user_group_price model = new Tea.Model.user_group_price(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Tea.Model.user_group_price DataRowToModel(DataRow row) { Tea.Model.user_group_price model = new Tea.Model.user_group_price(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["article_id"] != null && row["article_id"].ToString() != "") { model.article_id = int.Parse(row["article_id"].ToString()); } if (row["group_id"] != null && row["group_id"].ToString() != "") { model.group_id = int.Parse(row["group_id"].ToString()); } if (row["price"] != null && row["price"].ToString() != "") { model.price = decimal.Parse(row["price"].ToString()); } } return(model); }