Razor Dropdownlist无法加载指定的元数据资源

Question

Salaamun Alekum

I Was Using Drop Down List

@Html.DropDownList("SpecialityList", null, htmlAttributes: new { @data_toggle = "tooltip", @data_placement = "left", @title = "Select Speciality", @class = "form-control" })

Its Was Working Fine I Don't Know What Happened It Stop Working And Showed Me This Error

System.Data.Entity.Core.MetadataException: Unable to load the specified metadata resource.

Answer 1

@Html.DropDownList("SpecialityList", new selectList(new[]{}), htmlAttributes: new { @data_toggle = "tooltip", @data_placement = "left", @title = "Select Speciality", @class = "form-control" })

尝试新的selectList（）

Answer 2

通过将先前项目的内容创建为新创建的项目，可以解决此问题，某些Dll文件已损坏