/// <summary> /// 增加一条数据 /// </summary> public int Add(Dianda.Model.News_LimitUser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into News_LimitUser("); strSql.Append("UserID,NewsID,IsRead,ReadTime)"); strSql.Append(" values ("); strSql.Append("@UserID,@NewsID,@IsRead,@ReadTime)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserID", SqlDbType.VarChar, 50), new SqlParameter("@NewsID", SqlDbType.Int, 4), new SqlParameter("@IsRead", SqlDbType.Int, 4), new SqlParameter("@ReadTime", SqlDbType.DateTime) }; parameters[0].Value = model.UserID; parameters[1].Value = model.NewsID; parameters[2].Value = model.IsRead; parameters[3].Value = model.ReadTime; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public void Update(Dianda.Model.News_LimitUser model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update News_LimitUser set "); strSql.Append("UserID=@UserID,"); strSql.Append("NewsID=@NewsID,"); strSql.Append("IsRead=@IsRead,"); strSql.Append("ReadTime=@ReadTime"); strSql.Append(" where ID=@ID "); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4), new SqlParameter("@UserID", SqlDbType.VarChar, 50), new SqlParameter("@NewsID", SqlDbType.Int, 4), new SqlParameter("@IsRead", SqlDbType.Int, 4), new SqlParameter("@ReadTime", SqlDbType.DateTime) }; parameters[0].Value = model.ID; parameters[1].Value = model.UserID; parameters[2].Value = model.NewsID; parameters[3].Value = model.IsRead; parameters[4].Value = model.ReadTime; DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); }
/// <summary> /// 得到一个对象实体 /// </summary> public Dianda.Model.News_LimitUser GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,UserID,NewsID,IsRead,ReadTime from News_LimitUser "); strSql.Append(" where ID=@ID "); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; Dianda.Model.News_LimitUser model = new Dianda.Model.News_LimitUser(); 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()); } model.UserID = ds.Tables[0].Rows[0]["UserID"].ToString(); if (ds.Tables[0].Rows[0]["NewsID"].ToString() != "") { model.NewsID = int.Parse(ds.Tables[0].Rows[0]["NewsID"].ToString()); } if (ds.Tables[0].Rows[0]["IsRead"].ToString() != "") { model.IsRead = int.Parse(ds.Tables[0].Rows[0]["IsRead"].ToString()); } if (ds.Tables[0].Rows[0]["ReadTime"].ToString() != "") { model.ReadTime = DateTime.Parse(ds.Tables[0].Rows[0]["ReadTime"].ToString()); } return(model); } else { return(null); } }