/// <summary> /// 更新一条数据 /// </summary> public bool Update(ITCastOCSS.Model.Elective model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Elective set "); strSql.Append("SID=@SID,"); strSql.Append("CID=@CID,"); strSql.Append("Score=@Score"); strSql.Append(" where EID=@EID"); SqlParameter[] parameters = { new SqlParameter("@SID", SqlDbType.Int, 4), new SqlParameter("@CID", SqlDbType.Int, 4), new SqlParameter("@Score", SqlDbType.Float, 8), new SqlParameter("@EID", SqlDbType.Int, 4) }; parameters[0].Value = model.SID; parameters[1].Value = model.CID; parameters[2].Value = model.Score; parameters[3].Value = model.EID; 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(ITCastOCSS.Model.Elective model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Elective("); strSql.Append("SID,CID,Score)"); strSql.Append(" values ("); strSql.Append("@SID,@CID,@Score)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@SID", SqlDbType.Int, 4), new SqlParameter("@CID", SqlDbType.Int, 4), new SqlParameter("@Score", SqlDbType.Float, 8) }; parameters[0].Value = model.SID; parameters[1].Value = model.CID; parameters[2].Value = model.Score; 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 ITCastOCSS.Model.Elective DataRowToModel(DataRow row) { ITCastOCSS.Model.Elective model = new ITCastOCSS.Model.Elective(); if (row != null) { if (row["EID"] != null && row["EID"].ToString() != "") { model.EID = int.Parse(row["EID"].ToString()); } if (row["SID"] != null && row["SID"].ToString() != "") { model.SID = int.Parse(row["SID"].ToString()); } if (row["CID"] != null && row["CID"].ToString() != "") { model.CID = int.Parse(row["CID"].ToString()); } if (row["Score"] != null && row["Score"].ToString() != "") { model.Score = decimal.Parse(row["Score"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public ITCastOCSS.Model.Elective GetModel(int EID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 EID,SID,CID,Score from Elective "); strSql.Append(" where EID=@EID"); SqlParameter[] parameters = { new SqlParameter("@EID", SqlDbType.Int, 4) }; parameters[0].Value = EID; ITCastOCSS.Model.Elective model = new ITCastOCSS.Model.Elective(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }