/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.Score_T model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Score_T set "); strSql.Append("StudentID=@StudentID,"); strSql.Append("ScoreNum=@ScoreNum"); strSql.Append(" where ScoreID=@ScoreID "); SqlParameter[] parameters = { new SqlParameter("@StudentID", SqlDbType.Int, 4), new SqlParameter("@ScoreNum", SqlDbType.Decimal, 9), new SqlParameter("@ScoreID", SqlDbType.Int, 4) }; parameters[0].Value = model.StudentID; parameters[1].Value = model.ScoreNum; parameters[2].Value = model.ScoreID; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(Model.Score_T model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Score_T("); strSql.Append("StudentID,ScoreNum)"); strSql.Append(" values ("); strSql.Append("@StudentID,@ScoreNum)"); SqlParameter[] parameters = { // new SqlParameter("@ScoreID", SqlDbType.Int,4), new SqlParameter("@StudentID", SqlDbType.Int, 4), new SqlParameter("@ScoreNum", SqlDbType.Decimal, 9) }; // parameters[0].Value = model.ScoreID; parameters[0].Value = model.StudentID; parameters[1].Value = model.ScoreNum; 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 Model.Score_T DataRowToModel(DataRow row) { Model.Score_T model = new Model.Score_T(); if (row != null) { if (row["ScoreID"] != null && row["ScoreID"].ToString() != "") { model.ScoreID = int.Parse(row["ScoreID"].ToString()); } if (row["StudentID"] != null && row["StudentID"].ToString() != "") { model.StudentID = int.Parse(row["StudentID"].ToString()); } if (row["ScoreNum"] != null && row["ScoreNum"].ToString() != "") { model.ScoreNum = decimal.Parse(row["ScoreNum"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Model.Score_T GetModel(int ScoreID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ScoreID,StudentID,ScoreNum from Score_T "); strSql.Append(" where ScoreID=@ScoreID "); SqlParameter[] parameters = { new SqlParameter("@ScoreID", SqlDbType.Int, 4) }; parameters[0].Value = ScoreID; Model.Score_T model = new Model.Score_T(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }