c# – 无法设置datagridview的行可见false

taskerEntities te = new taskerEntities();
var OMsMasterDescriptiveIndicators = te.MyTable.Select(x => new lccls {Id = x.Id, name = x.name }).ToList();
MyGrid.DataSource = OMsMasterDescriptiveIndicators;

和我的班级lccls一样

public class lccls
    {
        public string Id { get; set; }
        public Nullable<decimal> name { get; set; }
    }

在某个事件中,我想让当前行不可见：

MyGrid.Rows[5].Visible = false;

但我无法做到这一点.而是抛出异常,并显示以下错误消息：

Row associated with the currency manager’s position cannot be made
invisible

我怀疑原因与设置DataSource有关,但为什么呢？

CurrencyManager currencyManager1 = (CurrencyManager)BindingContext[MyGrid.DataSource];  
currencyManager1.SuspendBinding();
MyGrid.Rows[5].Visible = false;
currencyManager1.ResumeBinding();