问题描述
我有emp表和empno，名称，deptno(部门表中的fk)列.当我插入新员工时，我会在下拉列表中输入名称和部门编号.我可以在下拉列表中显示部门名称，并且可以在emp表中存储部门编号.但是我的问题是，当我尝试编辑特定员工时，我无法在下拉列表中绑定该特定部门编号，名称. />
在[httpget]
我得到了ID，名称(没有问题)，我的下拉部门列表应该是返回的，部门名称没有保存，然后如果我想要的话，我可以更改部门(现在我加载该列表，但它选择了第一个值，如果我不这样做) '不更改部门，然后更新部门第一个值，因为它已经被选择)
Hi, i have emp table and empno,name,deptno(fk from department table)column.when i insert new employee i give name and department no in drop down list. i can display department name in dropdown list and i can store department no in emp table.but my problem is when i try to edit the particular employee then i can''t bind that particular department no,name in drop down list.
in [httpget]
i get id, name (no problem)and my drop down department list should be return save department no,name and then if i want then i can change department(now i load that list but it selected the first value and if i don''t change department then it update department first value as it is already selected)
推荐答案
@Html.DropDownListFor(model => model.FieldName, (SelectList)ViewBag.DepartMent, Model.FieldName)
或创建SelectList并在操作中提及您的selectedValue
or Create SelectList and mention your selectedValue in Action
SelectList Banks = new SelectList(new Department().Seed(), "DepartmentName", "DepartmentId", "SelectedValue");
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