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::: 중략 ::: namespace MVCTEST.Controllers { public class TestController : Controller { private readonly DBContext _context; public TestController(DBContext context) { _context = context; } [BindProperty] public List<SelectListItem> Options { get; set; } // GET public async Task<IActionResult> Index( int? id, string Title_Search) { ::: 중략 ::: //카테고리///////////////////////////////////////////////////////// Options = _context.DBTestTable.Select(a => new SelectListItem { Value = a.NUM.ToString(), Text = a.NAME.ToString(), Selected = false }).ToList(); Options.Insert(0, new SelectListItem() { Text = "전체 카테고리", Value = string.Empty }); foreach (var item in Options) { if (item.Value == Title_Search) { item.Selected = true; break; } } ViewData["Options"] = Options; return View(); } } } |
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@Html.DropDownList("Title_Search", ViewBag.Options as IEnumerable<SelectListItem>) @Html.DropDownList("Title_Search", ViewBag.Options as IEnumerable<SelectListItem>,new {onchange="this.form.submit();"}) |