/// <summary>
/// 删除班级
/// </summary>
///<returns>成功返回true</returns>
public static bool DelClass(string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
var toDel=db.Classes.Find(class_id,class_small_id); //所有需要级联更新删除的地方数据库里都建好了。。不用这样写，删就是了
//... on delete cascade on update cascade)...
//foreach (var temp in db.Student.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
//{
// StudentBS.DelStudent(temp.student_id);
// db.Student.Remove(temp);
//}
//foreach (var temp in db.Lk_evaluation_year_classes.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
//{
// Lk_evaluation_year_classesBS.DelLk_evaluation_year_classes(temp.evaluation_year_id, temp.class_id, temp.class_small_id);
// db.Lk_evaluation_year_classes.Remove(temp);
//}
db.Classes.Remove(toDel);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新班级
/// </summary>
///<returns>成功返回true</returns>
public static bool AddClass(Classes model)
{
try
{
using (var db = new SEMSDBContext())
{
/*var classes = new Classes()
{
class_grade = model.class_grade,
class_id = model.class_id,
class_small_id = model.class_small_id
};*/
db.Classes.Add(model);
db.SaveChanges();
}
return true;
}
catch (DbEntityValidationException e)
{
Debug.WriteLine(e.Message);
return false;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新测评项目
/// </summary>
/// <param name="module_id">要添加的项目</param>
/// <returns></returns>
public static bool AddEvaluation_entry(Evaluation_entry model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Evaluation_entry.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加管理员用户
/// </summary>
public static bool AddAdministrater(Administrater model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Administrater.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加测评年班级链接表
/// </summary>
public static bool AddLk_evaluation_year_classes(Lk_evaluation_year_classes model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Lk_evaluation_year_classes.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除管理员账户
/// </summary>
public static bool DelAdministrater(string uid)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Administrater.Find(uid);
db.Administrater.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除测评年班级链接表
/// </summary>
public static bool DelLk_evaluation_year_classes(int evaluation_year_id, string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Lk_evaluation_year_classes.Find(evaluation_year_id, class_id, class_small_id);
db.Lk_evaluation_year_classes.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新学生
/// </summary>
/// <param name="model">要添加的学生</param>
/// <returns>成功返回true</returns>
public static bool AddStudent(Student model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Student.Add(model);
db.SaveChanges();
}
return true;
}
catch// (Exception ee)
{
//throw ee.InnerException;
return false;
}
}
/// <summary>
/// 删除公告
/// </summary>
public static bool DelNews(int news_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.News.Find(news_id);
db.News.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除学生信息
/// </summary>
/// <param name="class_id">学号</param>
/// <returns>成功返回true</returns>
public static bool DelStudent(string student_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Student.Find(student_id);
db.Student.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新公告
/// </summary>
public static bool AddNews(News model)
{
try
{
using (var db = new SEMSDBContext())
{
db.News.Add(model);
db.SaveChanges();
}
return true;
}
catch (Exception ee)
{
throw ee.InnerException;
//return false;
}
}
/// <summary>
/// 修改管理员密码
/// </summary>
public static bool ChangePassword(string uid, string pwd,string oldPwd)
{
try
{
using (var db = new SEMSDBContext())
{
var admin = db.Administrater.FirstOrDefault(x => x.admin_id == uid);
if (admin == null) return false;
admin.admin_pwd = pwd;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除测评项目
/// </summary>
public static bool DelEvaluation_entry(int entry_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Evaluation_entry.Find(entry_id);
//Entry_scoreBS.AllDelEntry_score(entry_id);
db.Evaluation_entry.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 批量删除项目成绩
/// </summary>
public static bool AllDelEntry_score(int entry_id)
{
try
{
using (var db = new SEMSDBContext())
{
foreach (var temp in db.Entry_score.Where(x => x.entry_id == entry_id))
{
db.Entry_score.Remove(temp);
}
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 批量修改项目成绩
/// </summary>
/// <param name="entry_id">项目ID</param>
/// <param name="score">待改分数</param>
public static bool AllModifyEntry_score(int entry_id, int score)
{
try
{
using (var db = new SEMSDBContext())
{
foreach (var temp in db.Entry_score.Where(x => x.entry_id == entry_id))
{
temp.score = score;
}
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 批量删除学生信息
/// </summary>
public static bool AllDelStudent(string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
foreach (var temp in db.Student.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
{
db.Student.Remove(temp);
}
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改系统表
/// </summary>
public static bool ModifySysinfo(Sysinfo model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Sysinfo.FirstOrDefault();
temp.sysinfo_id = model.sysinfo_id;
temp.sysinfo_school_year = model.sysinfo_school_year;
temp.sysinfo_semester = model.sysinfo_semester;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加测评年
/// </summary>
public static bool AddEvaluation_year(int evaluation_year_id, string evaluation_year_name)
{
try
{
using (var db = new SEMSDBContext())
{
db.Evaluation_year.Add(new Evaluation_year()
{
evaluation_year_id = evaluation_year_id,
evaluation_year_name = evaluation_year_name
});
db.SaveChanges();
return true;
}
}
catch
{
return false;
}
}
/// <summary>
/// 修改测评年班级链接表
/// </summary>
public static bool ModifyLk_evaluation_year_classes(int lk_evaluation_year_classes, string class_id, string class_small_id, Lk_evaluation_year_classes model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Lk_evaluation_year_classes.Find(lk_evaluation_year_classes, class_id, class_small_id);
temp.class_id = model.class_id;
temp.class_small_id = model.class_small_id;
temp.evaluation_school_year = model.evaluation_school_year;
temp.evaluation_semester = model.evaluation_semester;
temp.evaluation_year_id = model.evaluation_year_id;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加项目成绩
/// </summary>
/// <param name="model">要添加的项目成绩</param>
///<returns>成功返回true</returns>
public static bool AddEntry_score(Entry_score model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Entry_score.Add(model);
/*db.Entry_score.Add(new Entry_score()
{
entry_id=model.entry_id,
score=model.score,
student_id=model.student_id
});*/
db.SaveChanges();
}
return true;
}
catch (Exception e)
{
//throw e.InnerException;
return false;
}
}
/// <summary>
/// 修改相应模块的政策
/// </summary>
public static bool ModifyPolicy(string module_id, Policy model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Policy.Find(module_id);
temp.policy_basic = model.policy_basic;
temp.policy_excellent = model.policy_excellent;
temp.policy_good = model.policy_good;
temp.policy_pass = model.policy_pass;
//model.module_id = temp.module_id;
//model.Module = temp.Module;
db.SaveChanges();
}
return true;
}
catch(DbEntityValidationException dbEx)
{
return false;
}
}
/// <summary>
/// 修改测评年
/// </summary>
public static bool ModifyEvaluation_year(int evaluation_year_id, Evaluation_year model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Evaluation_year.Find(evaluation_year_id);
temp.evaluation_year_id = model.evaluation_year_id;
temp.evaluation_year_name = model.evaluation_year_name;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改班级信息
/// </summary>
///<returns>成功返回true</returns>
public static bool ModifyClass(string main_id, string small_id, Classes newModel)
{
try
{
using (var db = new SEMSDBContext())
{
Classes toChange = db.Classes.Find(main_id, small_id);
toChange.class_grade = newModel.class_grade;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改管理员身份描述
/// </summary>
public static bool ModifyAdmin_descr(string uid,string descr)
{
try
{
using (var db = new SEMSDBContext())
{
db.Administrater.FirstOrDefault(x => x.admin_id == uid).admin_descr = descr;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改班级信息
/// </summary>
///<returns>成功返回true</returns>
public static bool ModifyClass(string class_id, string class_small_id, string newClass_grade)
{
try
{
using (var db = new SEMSDBContext())
{
var classes = db.Classes.Find(class_id, class_small_id); //.FirstOrDefault(x => x.class_id == class_id);
classes.class_grade = newClass_grade;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改学生信息
/// </summary>
/// <param name="class_id">学号</param>
/// <param name="model">修改后的学生信息</param>
/// <returns>成功返回true</returns>
public static bool ModifyStudent(string student_id, Student model)
{
try
{
using (var db = new SEMSDBContext())
{
Student temp = db.Student.Find(student_id);
//db.Student.Attach(temp);
temp.student_name = model.student_name;
temp.student_sex = model.student_sex;
temp.class_id = model.class_id;
temp.class_small_id = model.class_small_id;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改项目成绩
/// </summary>
public static bool ModifyEntry_score( string student_id, int entry_id, int score )
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Entry_score.Find(student_id, entry_id);
temp.score = score;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除项目成绩
/// </summary>
/// <param name="entry_id">项目ID</param>
/// <param name="student_id">学号</param>
public static bool DelEntry_score(string student_id, int entry_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Entry_score.FirstOrDefault(x => x.student_id == student_id && x.entry_id == entry_id);
db.Entry_score.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改公告
/// </summary>
public static bool ModifyNews(int news_id, News model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.News.Find(news_id);
temp.admin_id = model.admin_id;
temp.new_date = model.new_date;
temp.news_content = model.news_content;
temp.news_title = model.news_title;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改测评项目
/// </summary>
public static bool ModifyEvaluation_entry(int entry_id, Evaluation_entry model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Evaluation_entry.Find(entry_id);
//db.Evaluation_entry.Attach(temp);
temp.entry_date = model.entry_date;
temp.entry_description = model.entry_description;
temp.entry_school_year = model.entry_school_year;
temp.entry_semester = model.entry_semester;
temp.module_id = model.module_id;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
