/// <summary> /// 更新一条数据 /// </summary> public bool Update(CdHotelManage.Model.mRecords model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update mRecords set "); strSql.Append("mmid=@mmid,"); strSql.Append("Price=@Price,"); strSql.Append("Type=@Type,"); strSql.Append("Remark=@Remark"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@mmid", SqlDbType.NVarChar, 50), new SqlParameter("@Price", SqlDbType.Int, 4), new SqlParameter("@Type", SqlDbType.Int, 4), new SqlParameter("@Remark", SqlDbType.NVarChar, 50), new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = model.mmid; parameters[1].Value = model.Price; parameters[2].Value = model.Type; parameters[3].Value = model.Remark; parameters[4].Value = model.ID; 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 CdHotelManage.Model.mRecords DataRowToModel(DataRow row) { CdHotelManage.Model.mRecords model = new CdHotelManage.Model.mRecords(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["mmid"] != null && row["mmid"].ToString() != "") { model.mmid = row["mmid"].ToString(); } if (row["Price"] != null && row["Price"].ToString() != "") { model.Price = int.Parse(row["Price"].ToString()); } if (row["Type"] != null && row["Type"].ToString() != "") { model.Type = int.Parse(row["Type"].ToString()); } if (row["Remark"] != null) { model.Remark = row["Remark"].ToString(); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(CdHotelManage.Model.mRecords model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into mRecords("); strSql.Append("mmid,Price,Type,Remark)"); strSql.Append(" values ("); strSql.Append("@mmid,@Price,@Type,@Remark)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@mmid", SqlDbType.NVarChar, 50), new SqlParameter("@Price", SqlDbType.Int, 4), new SqlParameter("@Type", SqlDbType.Int, 4), new SqlParameter("@Remark", SqlDbType.NVarChar, 50) }; parameters[0].Value = model.mmid; parameters[1].Value = model.Price; parameters[2].Value = model.Type; parameters[3].Value = model.Remark; 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 CdHotelManage.Model.mRecords GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,mmid,Price,Type,Remark from mRecords "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; CdHotelManage.Model.mRecords model = new CdHotelManage.Model.mRecords(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }