ViewBag.TopicInfoID =
new SelectList(db.TopicInfo,
"TopicInfoID",
"TopicName", strategycategory.TopicInfoID);
var list = db.StrategyCategory.Where(p => p.StrategyCategoryParentID ==
"0").ToList();
list.Insert(0,
new StrategyCategory() { StrategyCategoryID =
"0", StraegyCategoryName =
" -- 请选择 -- " });
SelectList sList =
new SelectList(list,
"StrategyCategoryID",
"StraegyCategoryName",strategycategory.StrategyCategoryParentID);
ViewBag.StrategyCategoryParentID = sList;
@Html.DropDownList("TopicInfoID", String.Empty)
@Html.DropDownList("StrategyCategoryParentID", String.Empty)
备注：
1、
ViewBag.TopicInfoID中的TopicInfoID和@Html.DropDownList("TopicInfoID", String.Empty)方法中的第一个参数一样2、
ViewBag.
StrategyCategoryParentID = sList;
@Html.DropDownList("
StrategyCategoryParentID", String.Empty)
转载于:https://www.cnblogs.com/zoro-zero/p/4439451.html
相关资源：asp.net mvc下拉框Html.DropDownList 和DropDownListFor的常用方法
