/// <summary> /// 更新一条数据 /// </summary> public bool Update(university.Model.CCOM.Datum model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Datum set "); strSql.Append("Topic_relation_id=@Topic_relation_id,"); strSql.Append("File_path=@File_path,"); strSql.Append("File_name=@File_name,"); strSql.Append("DatumType_id=@DatumType_id,"); strSql.Append("Submit_time=@Submit_time,"); strSql.Append("Tutor_advice=@Tutor_advice,"); strSql.Append("Homework_id=@Homework_id"); strSql.Append(" where Datum_id=@Datum_id"); SqlParameter[] parameters = { new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8), new SqlParameter("@File_path", SqlDbType.VarChar, 128), new SqlParameter("@File_name", SqlDbType.VarChar, 128), new SqlParameter("@DatumType_id", SqlDbType.Int, 4), new SqlParameter("@Submit_time", SqlDbType.Date, 3), new SqlParameter("@Tutor_advice", SqlDbType.Text), new SqlParameter("@Homework_id", SqlDbType.Int, 4), new SqlParameter("@Datum_id", SqlDbType.BigInt, 8) }; parameters[0].Value = model.Topic_relation_id; parameters[1].Value = model.File_path; parameters[2].Value = model.File_name; parameters[3].Value = model.DatumType_id; parameters[4].Value = model.Submit_time; parameters[5].Value = model.Tutor_advice; parameters[6].Value = model.Homework_id; parameters[7].Value = model.Datum_id; int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public university.Model.CCOM.Datum DataRowToModel(DataRow row) { university.Model.CCOM.Datum model = new university.Model.CCOM.Datum(); if (row != null) { if (row["Datum_id"] != null && row["Datum_id"].ToString() != "") { model.Datum_id = long.Parse(row["Datum_id"].ToString()); } if (row["Topic_relation_id"] != null && row["Topic_relation_id"].ToString() != "") { model.Topic_relation_id = long.Parse(row["Topic_relation_id"].ToString()); } if (row["File_path"] != null) { model.File_path = row["File_path"].ToString(); } if (row["File_name"] != null) { model.File_name = row["File_name"].ToString(); } if (row["DatumType_id"] != null && row["DatumType_id"].ToString() != "") { model.DatumType_id = int.Parse(row["DatumType_id"].ToString()); } if (row["Submit_time"] != null && row["Submit_time"].ToString() != "") { model.Submit_time = DateTime.Parse(row["Submit_time"].ToString()); } if (row["Tutor_advice"] != null) { model.Tutor_advice = row["Tutor_advice"].ToString(); } if (row["Homework_id"] != null && row["Homework_id"].ToString() != "") { model.Homework_id = int.Parse(row["Homework_id"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public long Add(university.Model.CCOM.Datum model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Datum("); strSql.Append("Topic_relation_id,File_path,File_name,DatumType_id,Submit_time,Tutor_advice,Homework_id,User_id)"); strSql.Append(" values ("); strSql.Append("@Topic_relation_id,@File_path,@File_name,@DatumType_id,@Submit_time,@Tutor_advice,@Homework_id,@User_id)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8), new SqlParameter("@File_path", SqlDbType.VarChar, 128), new SqlParameter("@File_name", SqlDbType.VarChar, 128), new SqlParameter("@DatumType_id", SqlDbType.Int, 4), new SqlParameter("@Submit_time", SqlDbType.Date, 3), new SqlParameter("@Tutor_advice", SqlDbType.Text), new SqlParameter("@Homework_id", SqlDbType.Int, 4), new SqlParameter("@User_id", SqlDbType.BigInt, 8) }; parameters[0].Value = model.Topic_relation_id; parameters[1].Value = model.File_path; parameters[2].Value = model.File_name; parameters[3].Value = model.DatumType_id; parameters[4].Value = model.Submit_time; parameters[5].Value = model.Tutor_advice; parameters[6].Value = model.Homework_id; parameters[7].Value = model.User_id; 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.Datum GetModel(long Datum_id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Datum_id,Topic_relation_id,File_path,File_name,DatumType_id,Submit_time,Tutor_advice,Homework_id from Datum "); strSql.Append(" where Datum_id=@Datum_id"); SqlParameter[] parameters = { new SqlParameter("@Datum_id", SqlDbType.BigInt) }; parameters[0].Value = Datum_id; university.Model.CCOM.Datum model = new university.Model.CCOM.Datum(); DataSet ds = DBSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }