49 lines
1.4 KiB
C#
49 lines
1.4 KiB
C#
using _2021_backend.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Threading.Tasks;
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namespace _2021_backend.Pages.Students
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{
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public class CreateModel : PageModel
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{
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private readonly _2021_backend.Data.BackendContext Context;
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public CreateModel(_2021_backend.Data.BackendContext context)
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{
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Context = context;
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}
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public IActionResult OnGet()
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{
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Student = new Student();
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return Page();
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}
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[BindProperty]
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[Required(ErrorMessage = "该项不能为空")]
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public Student Student { get; set; }
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// To protect from overposting attacks, see https://aka.ms/RazorPagesCRUD
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public async Task<IActionResult> OnPostAsync()
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{
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if (!ModelState.IsValid)
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{
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return Page();
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}
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if (Context.Students.Any(t => (t.Name == Student.Name || t.Stuid == Student.Stuid || t.Tel == Student.Tel)))
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{
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return RedirectToPage("./Index", new { pageId = 0, errInfo = "该学生已经存在" });
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}
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Context.Students.Add(Student);
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await Context.SaveChangesAsync();
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return RedirectToPage("./Index");
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}
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}
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}
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