/// <summary> /// 更新一条数据 /// </summary> public bool Update(JPGL.Model.tbCourse model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tbCourse set "); strSql.Append("CourseName=@CourseName,"); strSql.Append("StartTime=@StartTime,"); strSql.Append("Endtime=@Endtime,"); strSql.Append("CourseCredit=@CourseCredit"); strSql.Append(" where CourseNo=@CourseNo "); SqlParameter[] parameters = { new SqlParameter("@CourseName", SqlDbType.VarChar, 50), new SqlParameter("@StartTime", SqlDbType.DateTime), new SqlParameter("@Endtime", SqlDbType.DateTime), new SqlParameter("@CourseCredit", SqlDbType.Float, 8), new SqlParameter("@CourseNo", SqlDbType.VarChar, 50) }; parameters[0].Value = model.CourseName; parameters[1].Value = model.StartTime; parameters[2].Value = model.Endtime; parameters[3].Value = model.CourseCredit; parameters[4].Value = model.CourseNo; 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 JPGL.Model.tbCourse DataRowToModel(DataRow row) { JPGL.Model.tbCourse model = new JPGL.Model.tbCourse(); if (row != null) { if (row["CourseNo"] != null) { model.CourseNo = row["CourseNo"].ToString(); } if (row["CourseName"] != null) { model.CourseName = row["CourseName"].ToString(); } if (row["StartTime"] != null && row["StartTime"].ToString() != "") { model.StartTime = DateTime.Parse(row["StartTime"].ToString()); } if (row["Endtime"] != null && row["Endtime"].ToString() != "") { model.Endtime = DateTime.Parse(row["Endtime"].ToString()); } if (row["CourseCredit"] != null && row["CourseCredit"].ToString() != "") { model.CourseCredit = decimal.Parse(row["CourseCredit"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(JPGL.Model.tbCourse model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tbCourse("); strSql.Append("CourseNo,CourseName,StartTime,Endtime,CourseCredit)"); strSql.Append(" values ("); strSql.Append("@CourseNo,@CourseName,@StartTime,@Endtime,@CourseCredit)"); SqlParameter[] parameters = { new SqlParameter("@CourseNo", SqlDbType.VarChar, 50), new SqlParameter("@CourseName", SqlDbType.VarChar, 50), new SqlParameter("@StartTime", SqlDbType.DateTime), new SqlParameter("@Endtime", SqlDbType.DateTime), new SqlParameter("@CourseCredit", SqlDbType.Float, 8) }; parameters[0].Value = model.CourseNo; parameters[1].Value = model.CourseName; parameters[2].Value = model.StartTime; parameters[3].Value = model.Endtime; parameters[4].Value = model.CourseCredit; 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 JPGL.Model.tbCourse GetModel(string CourseNo) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 CourseNo,CourseName,StartTime,Endtime,CourseCredit from tbCourse "); strSql.Append(" where CourseNo=@CourseNo "); SqlParameter[] parameters = { new SqlParameter("@CourseNo", SqlDbType.VarChar, 50) }; parameters[0].Value = CourseNo; JPGL.Model.tbCourse model = new JPGL.Model.tbCourse(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }