static void DeleteStudentClass()
{
Console.WriteLine("请输入将要删除的班级ID");
int id = int.Parse(Console.ReadLine());
SchoolBusinessLayer sbl = new SchoolBusinessLayer();
StudentClass studentClass = sbl.QueryStudentClass(id);
sbl.DeleteStudentClass(studentClass);
}
static void QueryStudentClass()
{
SchoolBusinessLayer sbl = new SchoolBusinessLayer();
var query = sbl.QueryStudentClass();
Console.WriteLine("所有数据库中的班级：");
foreach (var item in query)
{
Console.WriteLine("班级ID:" + item.StudentClassID + " 班级名:" + item.StudentClassName);
}
}
static void AddStudentClass()
{
Console.WriteLine("请输入一个新班级名");
string studentClassName = Console.ReadLine();
StudentClass studentClass = new StudentClass();
studentClass.StudentClassName = studentClassName;
SchoolBusinessLayer sbl = new SchoolBusinessLayer();
sbl.AddStudentClass(studentClass);
}
static void UpdateStudentClass()
{
Console.WriteLine("请输入将要更改的班级id");
int id = int.Parse(Console.ReadLine());
SchoolBusinessLayer sbl = new SchoolBusinessLayer();
StudentClass studentClass = sbl.QueryStudentClass(id);
Console.WriteLine("请输入新班级名");
string name = Console.ReadLine();
studentClass.StudentClassName = name;
sbl.UpdateStudentClass(studentClass);
}