/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.goods_trace model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into " + databaseprefix + "goods_trace("); strSql.Append("goods_id,goods_color,goods_size,user_name,add_time)"); strSql.Append(" values ("); strSql.Append("@goods_id,@goods_color,@goods_size,@user_name,@add_time)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@goods_id", SqlDbType.Int, 4), new SqlParameter("@goods_color", SqlDbType.NVarChar, 20), new SqlParameter("@goods_size", SqlDbType.NVarChar, 20), new SqlParameter("@user_name", SqlDbType.NVarChar, 100), new SqlParameter("@add_time", SqlDbType.DateTime) }; parameters[0].Value = model.goods_id; parameters[1].Value = model.goods_color; parameters[2].Value = model.goods_size; parameters[3].Value = model.user_name; parameters[4].Value = model.add_time; 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 Model.goods_trace GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,goods_id,goods_color,goods_size,user_name,add_time from " + databaseprefix + "goods_trace "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; Model.goods_trace model = new Model.goods_trace(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString()); } if (ds.Tables[0].Rows[0]["goods_id"].ToString() != "") { model.goods_id = int.Parse(ds.Tables[0].Rows[0]["goods_id"].ToString()); } model.goods_color = ds.Tables[0].Rows[0]["goods_color"].ToString(); model.goods_size = ds.Tables[0].Rows[0]["goods_size"].ToString(); model.user_name = ds.Tables[0].Rows[0]["user_name"].ToString(); if (ds.Tables[0].Rows[0]["add_time"].ToString() != "") { model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString()); } return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.goods_trace model) { return(dal.Add(model)); }