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在SelectList下拉列表中,我喜欢如果Count为1,我喜欢默认药物列表中的值,在这种情况下,它只有1个值。我无法弄清楚如何做到这一点。 我有以下以下几点:MVC SelectList下拉默认
var drugfamilylist = (from dt in DataContext.Drugs
select dt.Drugvalue).Distinct().ToList();
if (drugfamilylist.Count == 1)
{
ViewBag.DrugFamily = new SelectList(drugfamilylist);
}
我试过但IDD也不行:
var drugfamilylist = (from dt in DataContext.Drugs
select dt.Drugvalue).Distinct().ToList();
if (drugfamilylist.Count == 1)
{
ViewBag.DrugFamily = new SelectList(drugfamilylist,drugfamilylist);
}
目前还不清楚你想做什么... –