我试过所有这些，没有什么是检查我的复选框 –

@Html.CheckBoxFor(m => m.AllowRating,new { @value = "true" })

@Html.CheckBoxFor(m => m.AllowRating,new { @checked = "true" })

@Html.CheckBoxFor(m => m.AllowRating,new { @checked = true })

@Html.CheckBoxFor(m => m.AllowRating,new { @checked = "checked"})