Html.Dropdownlist禁用/只读

Question

如何管理我的dropdownlist disabled / readOnly 这是我的代码：

foreach ( var item in Model.TranscriptData.Transcript.Where( s => s.TermNo == termItem && s.InsteadOfLessonNo == null ).ToList() )
{
    @Html.DropDownList("LetterGradeValue", new SelectList(grade, "Value", "LetterGrade", string.Format("{0};{1};{2}", coefficient, letterGradeTypeId, letterGrade)), "-", new { @onchange = "ChangeValues(" + counter + ");", @class = counter })
}

Answer 1

试试这个。

@Html.DropDownList("LetterGradeValue", new SelectList(grade, "Value", "LetterGrade", string.Format("{0};{1};{2}", coefficient, letterGradeTypeId, letterGrade)), "-", new { @onchange = "ChangeValues(" + counter + ")",@disabled = "disabled", @class = counter })