/// <summary> /// 增加一条数据 /// </summary> public bool Add(MessageDefineME model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into messageDefine("); strSql.Append("messageID,messageContent,messageType)"); strSql.Append(" values ("); strSql.Append("@messageID,@messageContent,@messageType)"); SqlParameter[] parameters = { new SqlParameter("@messageID", SqlDbType.Int,4), new SqlParameter("@messageContent", SqlDbType.VarChar,255), new SqlParameter("@messageType", SqlDbType.Int,4)}; parameters[0].Value = model.messageID; parameters[1].Value = model.messageContent; parameters[2].Value = model.messageType; int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return true; } else { return false; } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(MessageDefineME model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update messageDefine set "); strSql.Append("messageContent=@messageContent,"); strSql.Append("messageType=@messageType"); strSql.Append(" where messageID=@messageID "); SqlParameter[] parameters = { new SqlParameter("@messageContent", SqlDbType.VarChar,255), new SqlParameter("@messageType", SqlDbType.Int,4), new SqlParameter("@messageID", SqlDbType.Int,4)}; parameters[0].Value = model.messageContent; parameters[1].Value = model.messageType; parameters[2].Value = model.messageID; int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return true; } else { return false; } }
/// <summary> /// 得到一个对象实体 /// </summary> public MessageDefineME GetModel(int messageID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 messageID,messageContent,messageType from messageDefine "); strSql.Append(" where messageID=@messageID "); SqlParameter[] parameters = { new SqlParameter("@messageID", SqlDbType.Int,4) }; parameters[0].Value = messageID; MessageDefineME model = new MessageDefineME(); DataSet ds = _dbAssist.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["messageID"] != null && ds.Tables[0].Rows[0]["messageID"].ToString() != "") { model.messageID = int.Parse(ds.Tables[0].Rows[0]["messageID"].ToString()); } if (ds.Tables[0].Rows[0]["messageContent"] != null && ds.Tables[0].Rows[0]["messageContent"].ToString() != "") { model.messageContent = ds.Tables[0].Rows[0]["messageContent"].ToString(); } if (ds.Tables[0].Rows[0]["messageType"] != null && ds.Tables[0].Rows[0]["messageType"].ToString() != "") { model.messageType = int.Parse(ds.Tables[0].Rows[0]["messageType"].ToString()); } return model; } else { return null; } }