在 vb.net DataGrideView 筛选器中，按 Combobox 筛选

问：

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
    Dim dt As DataTable
    Dim dv As DataView


    dt = DirectCast(DataGridView1.DataSource, DataTable)
   

    dv = New DataView(dt, "[Game Name]='DERA'", "[Game Name] desc", DataViewRowState.CurrentRows)
    DataGridView1.DataSource = dv
End Sub

这是我的代码正在工作，但是我需要combobox1过滤这个代码，就像下一个代码一样

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
    Dim dt As DataTable
    Dim dv As DataView


    dt = DirectCast(DataGridView1.DataSource, DataTable)
   

    dv = New DataView(dt, "[Game Name]" = ComboBox2.SelectedItem, "[Game Name] desc", DataViewRowState.CurrentRows)
    DataGridView1.DataSource = dv
End Sub