private void SearchByGradesMethon(object parameter)
{
IDataAccess idata = new DataServerse();
List<StuInfoTable> resultList = idata.Search(stu => stu.Grades==SSModel.SGrades);
SSModel.StuCollection = new ObservableCollection<StuInfoTable>(resultList);
}
public void AddStudent(StuInfoTable stuTable)
{
StudentsInfoDBEntities StuDB = new StudentsInfoDBEntities();
try
{
IDataAccess idata = new DataServerse();
int getId = idata.Search((StuInfoTable stu) => stu.ID == stuTable.ID).Take(1).Count();
if (getId != 1)
{
StuDB.StuInfoTable.Add(stuTable);
StuDB.SaveChanges();
MessageBox.Show("成功添加1条信息!");
}
else
MessageBox.Show("学号已存在！");
}
catch (Exception e)
{
MessageBox.Show("添加数据发生异常:" + e.Message);
}
finally
{
StuDB.Dispose();
}
}