/// <summary> /// 更新一条数据 /// </summary> public bool Update(MyEasyBuy.Model.eb_category model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update eb_category set "); strSql.Append("cname=@cname,"); strSql.Append("summary=@summary"); strSql.Append(" where cid=@cid"); SqlParameter[] parameters = { new SqlParameter("@cname", SqlDbType.NVarChar, 50), new SqlParameter("@summary", SqlDbType.NVarChar, 50), new SqlParameter("@cid", SqlDbType.Int, 4) }; parameters[0].Value = model.cname; parameters[1].Value = model.summary; parameters[2].Value = model.cid; 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(MyEasyBuy.Model.eb_category model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into eb_category("); strSql.Append("cname,summary)"); strSql.Append(" values ("); strSql.Append("@cname,@summary)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@cname", SqlDbType.NVarChar, 50), new SqlParameter("@summary", SqlDbType.NChar, 10) }; parameters[0].Value = model.cname; parameters[1].Value = model.summary; 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 MyEasyBuy.Model.eb_category DataRowToModel(DataRow row) { MyEasyBuy.Model.eb_category model = new MyEasyBuy.Model.eb_category(); if (row != null) { if (row["cid"] != null && row["cid"].ToString() != "") { model.cid = int.Parse(row["cid"].ToString()); } if (row["cname"] != null) { model.cname = row["cname"].ToString(); } if (row["summary"] != null) { model.summary = row["summary"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public MyEasyBuy.Model.eb_category GetModel(int cid) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 cid,cname,summary from eb_category "); strSql.Append(" where cid=@cid"); SqlParameter[] parameters = { new SqlParameter("@cid", SqlDbType.Int, 4) }; parameters[0].Value = cid; MyEasyBuy.Model.eb_category model = new MyEasyBuy.Model.eb_category(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }