Question

I want to show up an ASPxPopupControl whenever an user click a button. But there’s a problem with this. The button belongs to a panel, which is hidden by default. It’s only shown when user tells it to do so.

If the panel is initially visible, the popup control shows just fine. But if it’s initially invisible (set by attribute Visible="false"), then when even the panel shows up, the popup control never appears!

How can I fix this? I know that I should ask this question in Devexpress forums, but it never hurts if I try here, right?

Thank you!

Answer 1

Are you using the ASPxPanel control? If so, try to use the panel’s ClientVisible property instead of Visible. Does this help?

UPDATE

I would suggest that you start using the ASPxPanel instead and use its ClientVisible property. If you want to use the standard Panel, you should hide it using the style.visibility property:

<asp:Panel ID="Panel1" runat="server" BackColor="Green">
Test Panel
</asp:Panel>
<input type="button" value="show panel"
       onclick="document.getElementById('Panel1').style.visibility='';" />

C#:

protected void Page_Load(object sender, EventArgs e) {
    if(!IsPostBack)
        Panel1.Style.Add("visibility", "hidden");
}