/// <summary> /// 更新一条数据 /// </summary> public bool Update(SP.Model.news model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update news set "); strSql.Append("title=@title,"); strSql.Append("tid=@tid,"); strSql.Append("bgpic=@bgpic,"); strSql.Append("memo=@memo"); strSql.Append(" where nid=@nid"); SqlParameter[] parameters = { new SqlParameter("@title", SqlDbType.VarChar, 50), new SqlParameter("@tid", SqlDbType.Int, 4), new SqlParameter("@bgpic", SqlDbType.VarChar, 100), new SqlParameter("@memo", SqlDbType.NText), new SqlParameter("@nid", SqlDbType.Int, 4) }; parameters[0].Value = model.title; parameters[1].Value = model.tid; parameters[2].Value = model.bgpic; parameters[3].Value = model.memo; parameters[4].Value = model.nid; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public SP.Model.news DataRowToModel(DataRow row) { SP.Model.news model = new SP.Model.news(); if (row != null) { if (row["nid"] != null && row["nid"].ToString() != "") { model.nid = int.Parse(row["nid"].ToString()); } if (row["title"] != null) { model.title = row["title"].ToString(); } if (row["tid"] != null && row["tid"].ToString() != "") { model.tid = int.Parse(row["tid"].ToString()); } if (row["bgpic"] != null) { model.bgpic = row["bgpic"].ToString(); } if (row["memo"] != null) { model.memo = row["memo"].ToString(); } if (row["atime"] != null && row["atime"].ToString() != "") { model.atime = DateTime.Parse(row["atime"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(SP.Model.news model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into news("); strSql.Append("title,tid,bgpic,memo,atime)"); strSql.Append(" values ("); strSql.Append("@title,@tid,@bgpic,@memo,@atime)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@title", SqlDbType.VarChar, 50), new SqlParameter("@tid", SqlDbType.Int, 4), new SqlParameter("@bgpic", SqlDbType.VarChar, 100), new SqlParameter("@memo", SqlDbType.NText), new SqlParameter("@atime", SqlDbType.DateTime) }; parameters[0].Value = model.title; parameters[1].Value = model.tid; parameters[2].Value = model.bgpic; parameters[3].Value = model.memo; parameters[4].Value = model.atime; 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 SP.Model.news GetModel(int nid) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 nid,title,tid,bgpic,memo,atime from news "); strSql.Append(" where nid=@nid"); SqlParameter[] parameters = { new SqlParameter("@nid", SqlDbType.Int, 4) }; parameters[0].Value = nid; SP.Model.news model = new SP.Model.news(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }