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对asp.net中DropdownList的处理总结
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2013-10-23
16:40:09
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详细描述了对C# MVC 中 DropdownList下拉列表的总结
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创建一:
List<SelectListItem> items = new List<SelectListItem>()
{
new SelectListItem(){Text="Text1",Value="Value1",Selected=false},
new SelectListItem(){Text="Text2",Value="Value2",Selected=true},
new SelectListItem(){Text="Text3",Value="Value3",Selected=false},
new SelectListItem(){Text="Text4",Value="Value4",Selected=false}
};
ViewData["Categories"] = items;
前台:
@Html.DropDownListFor(model => model.ClassId, ViewData["Categories"] as SelectList, "请选择")
创建二:
List<Models.T_CMS_Class> list = db.T_CMS_Class.ToList();
SelectList items = new SelectList(list, "ClassId", "ClassName");
ViewBag.ClassId = items;
ViewBag.MusicType = new SelectList(typebll.GetList(), "TypeId", "TypeName");
ViewBag.MusicType = new SelectList(typebll.GetList(), "TypeId", "TypeName", MusicType);
前台:
@Html.DropDownListFor(model => model.ClassId, ViewBag.ClassId as SelectList, "请选择")
@Html.ListBoxFor(model => model.ClassId, ViewBag.ClassId as SelectList, "请选择")
@Html.DropDownList("MusicType","请选择")
创建三:
List<SelectListItem> items = new List<SelectListItem>();
items.Add(new SelectListItem() { Text = "001", Value = "1", Selected = false });
items.Add(new SelectListItem() {Text = "002", Value = "2", Selected = false });
List<SelectListItem> items = new List<SelectListItem>()
{
new SelectListItem(){Text="Text1",Value="Value1",Selected=false},
new SelectListItem(){Text="Text2",Value="Value2",Selected=true},
new SelectListItem(){Text="Text3",Value="Value3",Selected=false},
new SelectListItem(){Text="Text4",Value="Value4",Selected=false}
};
ViewData["Categories"] = items;
前台:
@Html.DropDownListFor(model => model.ClassId, ViewData["Categories"] as SelectList, "请选择")
创建二:
List<Models.T_CMS_Class> list = db.T_CMS_Class.ToList();
SelectList items = new SelectList(list, "ClassId", "ClassName");
ViewBag.ClassId = items;
ViewBag.MusicType = new SelectList(typebll.GetList(), "TypeId", "TypeName");
ViewBag.MusicType = new SelectList(typebll.GetList(), "TypeId", "TypeName", MusicType);
前台:
@Html.DropDownListFor(model => model.ClassId, ViewBag.ClassId as SelectList, "请选择")
@Html.ListBoxFor(model => model.ClassId, ViewBag.ClassId as SelectList, "请选择")
@Html.DropDownList("MusicType","请选择")
创建三:
List<SelectListItem> items = new List<SelectListItem>();
items.Add(new SelectListItem() { Text = "001", Value = "1", Selected = false });
items.Add(new SelectListItem() {Text = "002", Value = "2", Selected = false });
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