求助:急!怎么样在datalist里查找label控件 在线等。。附代码
程序运行时老是说未将对象引用设置到对象的实例。
Private Sub dl1_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles dl1.ItemDataBound
Dim dtitem As DataListItem
Dim latime_cont As Label
Dim latime As Label
For Each dtitem In dl1.Items
latime_cont = dl1.Items(0).FindControl("uptime_cont")
latime = dl1.Items(0).FindControl("uptime")
If latime_cont.Text = "" Then
latime.Visible = False
Else
latime.Visible = True
End If
Next
End Sub