/// <summary> /// 得到一个对象实体 /// </summary> public university.Model.CCOM.Topic_relation GetModel(string strWhere) { StringBuilder strSql = new StringBuilder(); strSql.Append("select Topic_relation_id,Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice "); strSql.Append(" from Topic_relation "); strSql.Append(" where " + strWhere); university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation(); DataSet ds = DBSQL.Query(strSql.ToString()); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["Topic_relation_id"] != null && ds.Tables[0].Rows[0]["Topic_relation_id"].ToString() != "") { model.Topic_relation_id = long.Parse(ds.Tables[0].Rows[0]["Topic_relation_id"].ToString()); } if (ds.Tables[0].Rows[0]["Student_id"] != null && ds.Tables[0].Rows[0]["Student_id"].ToString() != "") { model.Student_id = long.Parse(ds.Tables[0].Rows[0]["Student_id"].ToString()); } if (ds.Tables[0].Rows[0]["Teacher_id"] != null && ds.Tables[0].Rows[0]["Teacher_id"].ToString() != "") { model.Teacher_id = long.Parse(ds.Tables[0].Rows[0]["Teacher_id"].ToString()); } if (ds.Tables[0].Rows[0]["Topic_id"] != null && ds.Tables[0].Rows[0]["Topic_id"].ToString() != "") { model.Topic_id = long.Parse(ds.Tables[0].Rows[0]["Topic_id"].ToString()); } if (ds.Tables[0].Rows[0]["Apply_time"] != null && ds.Tables[0].Rows[0]["Apply_time"].ToString() != "") { model.Apply_time = DateTime.Parse(ds.Tables[0].Rows[0]["Apply_time"].ToString()); } if (ds.Tables[0].Rows[0]["Accept_state"] != null && ds.Tables[0].Rows[0]["Accept_state"].ToString() != "") { model.Accept_state = int.Parse(ds.Tables[0].Rows[0]["Accept_state"].ToString()); } if (ds.Tables[0].Rows[0]["advice"] != null) { model.advice = ds.Tables[0].Rows[0]["advice"].ToString(); } return(model); } else { return(null); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(university.Model.CCOM.Topic_relation model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Topic_relation set "); strSql.Append("Student_id=@Student_id,"); strSql.Append("Teacher_id=@Teacher_id,"); strSql.Append("Topic_id=@Topic_id,"); strSql.Append("Apply_time=@Apply_time,"); strSql.Append("Accept_state=@Accept_state,"); strSql.Append("advice=@advice"); strSql.Append(" where Topic_relation_id=@Topic_relation_id"); SqlParameter[] parameters = { new SqlParameter("@Student_id", SqlDbType.BigInt, 8), new SqlParameter("@Teacher_id", SqlDbType.BigInt, 8), new SqlParameter("@Topic_id", SqlDbType.BigInt, 8), new SqlParameter("@Apply_time", SqlDbType.Date, 3), new SqlParameter("@Accept_state", SqlDbType.Int, 4), new SqlParameter("@advice", SqlDbType.Text), new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8) }; parameters[0].Value = model.Student_id; parameters[1].Value = model.Teacher_id; parameters[2].Value = model.Topic_id; parameters[3].Value = model.Apply_time; parameters[4].Value = model.Accept_state; parameters[5].Value = model.advice; parameters[6].Value = model.Topic_relation_id; int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public long Add(university.Model.CCOM.Topic_relation model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Topic_relation("); strSql.Append("Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice)"); strSql.Append(" values ("); strSql.Append("@Student_id,@Teacher_id,@Topic_id,@Apply_time,@Accept_state,@advice)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@Student_id", SqlDbType.BigInt, 8), new SqlParameter("@Teacher_id", SqlDbType.BigInt, 8), new SqlParameter("@Topic_id", SqlDbType.BigInt, 8), new SqlParameter("@Apply_time", SqlDbType.Date, 3), new SqlParameter("@Accept_state", SqlDbType.Int, 4), new SqlParameter("@advice", SqlDbType.Text) }; parameters[0].Value = model.Student_id; parameters[1].Value = model.Teacher_id; parameters[2].Value = model.Topic_id; parameters[3].Value = model.Apply_time; parameters[4].Value = model.Accept_state; parameters[5].Value = model.advice; object obj = DBSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt64(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public university.Model.CCOM.Topic_relation DataRowToModel(DataRow row) { university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation(); if (row != null) { if (row["Topic_relation_id"] != null && row["Topic_relation_id"].ToString() != "") { model.Topic_relation_id = long.Parse(row["Topic_relation_id"].ToString()); } if (row["Student_id"] != null && row["Student_id"].ToString() != "") { model.Student_id = long.Parse(row["Student_id"].ToString()); } if (row["Teacher_id"] != null && row["Teacher_id"].ToString() != "") { model.Teacher_id = long.Parse(row["Teacher_id"].ToString()); } if (row["Topic_id"] != null && row["Topic_id"].ToString() != "") { model.Topic_id = long.Parse(row["Topic_id"].ToString()); } if (row["Apply_time"] != null && row["Apply_time"].ToString() != "") { model.Apply_time = DateTime.Parse(row["Apply_time"].ToString()); } if (row["Accept_state"] != null && row["Accept_state"].ToString() != "") { model.Accept_state = int.Parse(row["Accept_state"].ToString()); } if (row["advice"] != null) { model.advice = row["advice"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public university.Model.CCOM.Topic_relation GetModel(long Topic_relation_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Topic_relation_id,Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice from Topic_relation "); strSql.Append(" where Topic_relation_id=@Topic_relation_id"); SqlParameter[] parameters = { new SqlParameter("@Topic_relation_id", SqlDbType.BigInt) }; parameters[0].Value = Topic_relation_id; university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation(); DataSet ds = DBSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }