如何尋找資料?(編號:2485)

如何在DBGrid中的一行中dbclick後,找出對應那一列的資料(在同一個form裡)?
Private Sub DBGrid1_DblClick()
Data1.Refresh
 Dim rs As Recordset
 Set rs = Data1.Recordset

rs.Index = "日期"
 rs.Seek "=", Format(DBGrid1.???)

End Sub