PlaceHolder不能保存,一提交就全没了
Dim myPlaceHolder As New PlaceHolder
Dim ttPlaceHolder As String = "PlaceHolder" & strPlaceID
myPlaceHolder = Page.FindControl(ttPlaceHolder)
'向PlaceHolder添加内容
Dim myLink As HyperLink
Dim myLabel As Label
Dim i As Short
For i = 0 To shrTimes - 1 Step 1
myLink = New HyperLink
myLink.Text = dtTable.DefaultView.Item(i)("FilmName")
myLink.CssClass = "test3"
myLink.NavigateUrl = "film.aspx?filmid=" & dtTable.DefaultView.Item(i)("FilmID")
myLink.ID = strPlaceID & "slink" & i
myLink.ToolTip = dtTable.DefaultView.Item(i)("FilmName")
myLink.Target = "_blank"
myPlaceHolder.Controls.Add(myLink)
myLabel = New Label
myLabel.Text = " "
myLabel.Font.Size = System.Web.UI.WebControls.FontUnit.XSmall
myLabel.ID = strPlaceID & "lbt" & i
myPlaceHolder.Controls.Add(myLabel)
Next i
但我一按那页上的一个按钮要提交其它东西,PlaceHolder里面的控件就全没了,怎办?