在datalist的SelectedIndex状态下,有一个renewal的button控件。想给这个控件加一个onclick事件,但是怎么加了运行后,并没有弹出预想的效果。查看客户端生成的html源码,结果发现根本没有加上。很困惑,请高手指点。代码如下:Private Sub DataList1_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles DataList1.ItemDataBound
If e.Item.ItemType = ListItemType.EditItemThen
Dim renewalbtn As Button = e.Item.FindControl("renewal")
renewalbtn.Attributes.Add("onclick", "return confrim('确认要预订此书?');")
End If End Sub
If e.Item.ItemType = ListItemType.EditItemThen
Dim renewalbtn As Button = e.Item.FindControl("renewal")
renewalbtn.Attributes.Add("onclick", "return confrim('确认要预订此书?');")
End If End Sub
Select Case e.Item.ItemType
Case ListItemType.Item, ListItemType.EditItem, ListItemType.AlternatingItem
Dim myBtDelete As ImageButton
myBtDelete = e.Item.FindControl("BtDelete")
myBtDelete.Attributes.Add("Onclick", "return confirm('您真的要删除第 " + (e.Item.ItemIndex + 1).ToString + " 行记录吗,此操作将造成档案卷下的相关数据丢失!');")
End Select