public async Task <IActionResult> Create([Bind("RealName,HrieDate,OfficeAssignment")] Instructor instructor
, string[] select)
{
if (select != null)
{
instructor.courseAssignments = new List <CourseAssignment>();
foreach (var item in select)
{
var CourseAdd = new CourseAssignment()
{
CourseId = Convert.ToInt32(item),
InstructorId = instructor.Id
};
instructor.courseAssignments.Add(CourseAdd);
}
}
if (ModelState.IsValid)
{
_context.Add(instructor);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
PopulateAssignedCourseData(instructor);
return(View(instructor));
}
public async Task <IActionResult> Create(StudentDto Dto)
{
try
{
//数据验证，判断数据是否符合特性要求，比如tdo模型中特性要求某个属性不能为空等
if (ModelState.IsValid)
{
//从tdo模型绑定到model
var entity = new Student()
{
RealName = Dto.RealName,
EnrollmentDate = Dto.EnrollmentDate
};
_context.Add(entity);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
catch (DbUpdateException ex)
{
//给数据模型添加一个错误信息可以在页面中显示
ModelState.AddModelError("", "无法保存，请检查输入的数据！");
}
return(View(Dto));
}
public async Task <IActionResult> Create([Bind("CourseId,Title,Credits,Grade,DepartmentId")] Course course)
{
if (ModelState.IsValid)
{
_context.Add(course);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(course));
}
public async Task <IActionResult> Create([Bind("Id,name,Budget,StarDate,InstructorId,RowVersion")] Department department)
{
if (ModelState.IsValid)
{
_context.Add(department);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["InstructorId"] = new SelectList(_context.Instructor, "Id", "Id", department.InstructorId);
return(View(department));
}