Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Try
            Dim cm As CurrencyManager = BindingContext(DataGridView1.DataSource)
            cm.SuspendBinding() '将绑定挂起
            For Each My_Row As DataGridViewRow In DataGridView1.Rows
                If Trim(My_Row.Cells(0).Value) = "小明" Then
                    My_Row.Visible = True
                ElseIf Not My_Row.Cells(0).Value = "" Then '忽略最后一行空行
                    My_Row.Visible = False
                End If
            Next
            cm.ResumeBinding() '恢复绑定
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try

        'Button1.Enabled = True
        'Button2.Enabled = False
    End Sub

章鱼哥出品—VB.NET DataGridView绑定数据源 "与货币管理器的位置关联的行不能设置为不可见" 问题的解决