[英]Display two fields in Html.DropDownList within Asp.net mvc4 application
[英]Add a condition in Html.DropDownList within asp.net mvc4 application
我在我的视图中使用过这个片段
<SELECT name="id_category">
@for (int item = 0; item < list_cat.Count; item++){
if (@list_cat[item].Id_category == @Model.Id_category) {
<OPTION VALUE="@list_cat[item].Id_category" selected >@list_cat[item].CName</OPTION>}
else{
<OPTION VALUE="@list_cat[item].Id_category" >@list_cat[item].CName</OPTION>
}
}
</SELECT>
然后,我替换它
@Html.DropDownList("id_category", new SelectList(list_cat,"Id_category","CName"))
但缺少选择项目的条件。
如何用Html.DropDownList
替换它? 有什么建议么?
像下面一样更改DropDownList:
@Html.DropDownList("id_category", new SelectList(list_cat, "Id_category", "CName", Model.Id_category))
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