Question

Calling a Java PopUp window from VB.Net code

Asked by: PrimeNY

Creating a web site using Visual Web Developer 2005 Express (Asp.Net 2.0) using VB.
I have a page that uses Java PopUp windows:

<SCRIPT LANGUAGE="JavaScript">
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=200,left = 390,top = 284');");}

And then calll the popup with:

<a href="javascript:popUp('../popup.htm')">
 <span style="font-size: 16pt"><strong>?</strong></span></a>

Now I would like to call a popup for the same page within VB code:

Protected Sub NewButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        If CheckBox3.Checked = False And CheckBox4.Checked = False Then
            'call popup
        End If

Can I do this?

Thanks in advance for your help.

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Asked On
2007-10-29 at 08:36:25ID22924554
Tags

Asp.net 2.0, VB.Net, Java

,

IE 6

Topics

Microsoft Visual Studio Express

,

JavaScript

,

Programming for ASP.NET

Participating Experts
1
Points
500
Comments
6

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Answers

 

by: samtran0331Posted on 2007-10-29 at 08:43:54ID: 20170428

Protected Sub NewButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        If CheckBox3.Checked = False And CheckBox4.Checked = False Then
            If Not Page.ClientScript.IsStartupScriptRegistered("MyScript") Then
               Page.ClientScript.RegisterStartupScript(Me.GetType, "MyScript", "<script type=""text/javascript"">popUp('../popup.htm');</script>")
            End If
        End If

 

by: PrimeNYPosted on 2007-10-29 at 09:52:17ID: 20171077

Thanks, and I'm sure this is a stupid question but....how do I keep the popup window on top.  It shows for a second and then hides behind main page.

 

by: samtran0331Posted on 2007-10-29 at 10:21:51ID: 20171345

>>I'm sure this is a stupid question but

Not at all!
With javascript "window.open"....you can't always force it to stay on top....you can try modifying your script so that it does try to keep the popup modal....but you might still get inconsistent results with different browsers....
http://javascript.about.com/library/blmodal.htm

A different route is to use something like:
http://www.asp.net/AJAX/AjaxControlToolkit/Samples/ModalPopup/ModalPopup.aspx

 

by: PrimeNYPosted on 2007-10-29 at 11:01:00ID: 20171698

The problem is that as soon as a user clicks on the buttom in the main page that opens the popup window, the popup window flashes on top for just a split second and then the popup window is immediately minimized.  I understand that it is difficult to keep the popup window on top when users click elsewhere, but that is not my concern.  I just need the popup to stay on top when it is initially opened.  

I think (as you indicated) that I need "window.open" in the VB code that you provided, but I don't know where.  Sorry, but my limited background is only in Flash and VB5.

 

by: samtran0331Posted on 2007-10-29 at 11:58:04ID: 20172229

I'm not seeing the behavior you describe (pop up immediately goes to the back)...
I'm using this test page with 3 different variations of "window.open" behind a button....

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    Protected Sub NewButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        If Me.CheckBox3.Checked Then
            If Not Page.ClientScript.IsStartupScriptRegistered("MyScript1") Then
                Page.ClientScript.RegisterStartupScript(Me.GetType, "MyScript1", "<script language=""javascript"">modalWin('http://www.google.com');</" & "script>")
            End If
        End If
    End Sub

    Protected Sub ButtonDiffScript_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        If Me.CheckBox3.Checked Then
            If Not Page.ClientScript.IsStartupScriptRegistered("MyScript2") Then
                Page.ClientScript.RegisterStartupScript(Me.GetType, "MyScript2", "<script language=""javascript"">standardPop('http://www.google.com');</" & "script>")
            End If
        End If

    End Sub

    Protected Sub ButtonOldScript_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        If Me.CheckBox3.Checked Then
            If Not Page.ClientScript.IsStartupScriptRegistered("MyScript3") Then
                Page.ClientScript.RegisterStartupScript(Me.GetType, "MyScript3", "<script language=""javascript"">popUp('http://www.google.com');</" & "script>")
            End If
        End If

    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
    <script language="javascript">
day = new Date();
id = day.getTime();
    function popUp(URL) {
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=200,left = 390,top = 284');");}

function modalWin(URL) {
if (window.showModalDialog) {
window.showModalDialog(URL,id,
"dialogWidth:500px;dialogHeight:200px");
} else {
window.open(URL,id,
'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=200,left = 390,top = 284');
}
}

function standardPop(URL) {
window.open(URL,id,'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=200,left = 390,top = 284');
}

    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:CheckBox ID="CheckBox3" runat="server" />
        <br />
        <br />
        <asp:Button ID="NewButton" runat="server"
            Text="Modal JS" OnClick="NewButton_Click" />
        <br />
        <br />
        <asp:Button ID="ButtonDiffScript" runat="server" Text="Not using Eval" OnClick="ButtonDiffScript_Click" /><br />
        <br />
        <asp:Button ID="ButtonOldScript" runat="server" Text="Original Script" OnClick="ButtonOldScript_Click" /></div>
    </form>
</body>
</html>

 

by: PrimeNYPosted on 2007-10-29 at 13:42:15ID: 20173119

After hours of investigative work through my code I discovered that the problem was caused by me putting "SmartNavigation="True" in the page directive to return the page when RequiredFieldValidator is triggered.

Thanks very much for your help!

20120131-EE-VQP-002

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