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