Problem with Response Redirect not closing the window. : ASP.Net, Microsoft, 2.0

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03.20.2008 at 09:45AM PDT, ID: 23257529

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8.5

Problem with Response Redirect not closing the window.

Zones: Programming for ASP.NET, JavaScript, .NET

Tags: ASP.Net, Microsoft, 2.0

Please see question: ID:23254044Author:tjgilbertDate:03.19.2008 at 10:48AM CDT

I am unable to get the window(form) to close using Response.Redirect.
I've even tried Server.Transfer but that didn't work either.

Sub ConfirmYes(ByVal sender As Object, ByVal e As System.EventArgs)
Session("Confirmed") = True
msgLB.Visible = "true"
Server.Transfer("RodData.aspx")
Response.Write("<script language='javascript'> { window.close();}</script>")
'Response.Redirect("RodData.aspx")
'Response.RedirectLocation = Page.ResolveUrl("RodData.aspx")
End Sub

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Question Stats

Zone: Programming

Question Asked By: tjgilbert

Solution Provided By: MaxOvrdrv2

Participating Experts: 2

Solution Grade: A

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03.20.2008 at 09:49AM PDT, ID: 21173305

Rank: Master

CONCEPTINFOTECH:

Its loically wroing
if once your close statement been exectulated it will not redirect to anywhere
but u dont need to close window anyway bcoze u gonna redirect it to other page which it self will open in the window and the old one is gonna close automatically

03.20.2008 at 11:13AM PDT, ID: 21174064

tjgilbert:

It doesnt' seem to work. I think it's because I am redirecting to ConfirmLargeFile.aspx from DisplayDoc.aspx and then redirecting back to DisplayDoc.aspx from ConfirmLargeFile.aspx . Then in DisplayDoc.aspx based upon the Session variable - well here is the code:
If Session("Confirmed") = False Then
Response.Redirect("Confirm.aspx")
End If
If (Session("Confirmed") = True) Then
Session("Confirmed") = False
Response.BufferOutput = True
Response.Clear()
Response.ContentType = "Application/doc"
Response.AddHeader("Content-Disposition", "inline;filename=new.doc")
Response.AddHeader("Content-Length", dr.Item("reportdata").length.ToString())
Response.BinaryWrite(dr.Item("reportdata"))
Response.End()

End If
End If

03.20.2008 at 12:55PM PDT, ID: 21175194

Rank: Master

CONCEPTINFOTECH:

can u explain me something in detail with code
bcoze in you new code u are not using that window closing script anywhere
plz elobrate me the things

thanx

03.20.2008 at 03:32PM PDT, ID: 21176545

tjgilbert:

Okay, I decided to try something else

my javascript funtion:
function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree)
return true ;
else
return false ;
}

in my Load_Page
ClientScript.RegisterStartupScript(GetType(Page), "Script", "<script>confirmSubmit();</" & "script>")

How do obtain the value that calling confirmSubmit returns?

Thanks

03.21.2008 at 04:26AM PDT, ID: 21179139

MaxOvrdrv2:

put a hidden field on your form, then go like this:

if (agree)
document.getElementById("<%=me.hiddenfieldname.clientID%>").value="true"
return true ;
else
document.getElementById("<%=me.hiddenfieldname.clientID%>").value="false"
return false ;
}

then you can access that value in the code-behind... you can even put an @onchange@ event on the server object (hidden field) to fire up some back-end event once you've changed the value of the field.

03.24.2008 at 07:06AM PDT, ID: 21193582

tjgilbert:

<asp:TextBox ID="respTB" runat="server" text="false" Visible=false></asp:TextBox>

function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree)
document.getElementById("<%=me.respTB.clientID%>").value="true"
return true ;
else
document.getElementById("<%=me.respTB.clientID%>").value="false"
return false ;
}

When I added the document.get ElementById the funtion stopped working. Is there a problem wit my syntax?

03.24.2008 at 08:31AM PDT, ID: 21194198

tjgilbert:

I added the correct syntax:

The confirm box is displaying but I noticed when I add
ClientScript.RegisterStartupScript(GetType(Page), "Script", "<script>confirmSubmit();</" & "script>")

Response.Write("RespTB =" & respTB.Text)

The confirmSubmit is not occuring first. How can I collect values when the code continues to process before I can get the values into the text box?

function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree){
document.getElementById('respTB').value="true";
      return true ;
      }
else{
document.getElementById('respTB').value="false";
      return false ;
}
}

I appreciate any help you can give me. This is not going well.

Thanks

03.25.2008 at 02:19PM PDT, ID: 21206324

tjgilbert:

All this is done in the Page_Load subroutine:
ClientScript.RegisterStartupScript(GetType(Page), "Script", "<script>confirmSubmit();</" & "script>")

If (javascript:confirmSubmit()) Then ??????
Session("Confirmed") = False
Response.BufferOutput = True
Response.Clear()
Response.ContentType = "Application/doc"
Response.AddHeader("Content-Disposition", "inline;filename=new.doc")
Response.AddHeader("Content-Length", dr.Item("reportdata").length.ToString())
Response.BinaryWrite(dr.Item("reportdata"))
Response.End()
End If

How can I call the confirmSubmit() ?

I appreciate any suggestions you have.

03.25.2008 at 06:58PM PDT, ID: 21208247

MaxOvrdrv2:

the problem here is that a <ap:TextBox set Visible="False" will actually not get rendered when you run the page... that's why you're having problems... try creating a hidden field instead... and not a visible=false... 2 ways you can do that:

1) Code-Behind
Page.RegisterHiddenField("respTB", "false")
ClientScript.RegisterStartupScript(GetType(Page), "Script", "<script>confirmSubmit();</" & "script>")

2) in the .ASPX
<input type="hidden" id="respTB" runat="server">

i recommend the first option... but the second will work just fine.

03.25.2008 at 07:00PM PDT, ID: 21208263

MaxOvrdrv2:

then you can reference the value of the field in the code-behind as you would any other normal field on the page:

if me.respTB.text="true" then
....
else
...
end if

03.26.2008 at 10:43AM PDT, ID: 21214289

tjgilbert:

Hi MaxOvdrv2 thank you for responding.

I went with <input type="hidden" id="respTB" runat="server">
because I got a complaint me.respTB that is was not defined.

The input doesn't have .text so I changed the line to

if Equals(respTB.value,"true") then but it's never set to true?

do you see anything wronge with my function confirmSubmit()?
function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree){
document.getElementById('respTB').value="true";
      return true ;
      }
else{
document.getElementById('respTB').value="false";
      return false ;
}
}

Thank you for helping me!!

03.26.2008 at 06:48PM PDT, ID: 21217957

MaxOvrdrv2:

yes... again:
function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree){
document.getElementById('<%=respTB.ClientID%>').value="true";
return true ;
}
else{
document.getElementById(<%=respTB.ClientID%>').value="false";
return false ;
}
}

03.26.2008 at 06:50PM PDT, ID: 21217967

MaxOvrdrv2:

you could also do this:

<input type="hidden" id="respTB" runat="server" value="false">
(make sure at this point that you switch to design view to register the control)

then in your codebehind

if me.respTB.value.toString()="true" then

03.27.2008 at 08:55AM PDT, ID: 21222763

tjgilbert:

I put an else statment to see if what is happening.
Apparently the code is not waiting for the confirm results.
The confirm box appears and the code just keeps going. Using the default false value.

Anyway to make the code stop to wait for the results of the confirm box?

Thanks

03.27.2008 at 01:24PM PDT, ID: 21225410

MaxOvrdrv2:

what is client side is always done first... therefore i don't see how this could happen?

did you use OnClientClick or OnClick?

03.27.2008 at 01:35PM PDT, ID: 21225487

tjgilbert:

The confirm text box appears when the RegisterStartupScript is being ran:
ClientScript.RegisterStartupScript(GetType(Page), "Script", "<script>confirmSubmit();</" & "script>")

but the rest of the ASP.Net code is not stopping to wait for the results.

I am running this in Page_Load so I don't have any buttons.

What am I not understanding?

03.27.2008 at 05:16PM PDT, ID: 21226986

MaxOvrdrv2:

ok wait... you're doing the confirmsubmit on pageload?? why? it's gonna ask every time you load the page... even on postbacks??

in any case, the reason here is this:

PageLoad=ServerSide
RegisterScript=ServerSide

here's how it goes:

first things first:
Server Side Processes (pre-render, pageload, events, etc)

second thing:
Page.Render (server builds the HTML and client scripts)

third thing:
Client-Side scripts and HTML page is spit back to the user...

therefore, it's normal that your textbox isn't changed on page load, because it hasn't had a chance to be changed yet.

i,m guessing you're trying to ask the user something before anything gets done, correct? if so... here's what you do:

PageLoad()

if Page.IsPostback=false then
RegisterStartupScript
end if

HTML:

<asp:button id="DoIt" runat="server" text="Nothing" style="visibility:hidden;" />

<script>
function confirmSubmit()
{
var agree=confirm("Are you sure you wish to continue?");
if (agree){
document.getElementById('<%=respTB.ClientID%>').value="true";
document.getElementById('<%=DoIt.ClientID%>').click();
return;
}
else{
document.getElementById(<%=respTB.ClientID%>').value="false";
document.getElementById('<%=DoIt.ClientID%>').click();
return ;
}
}

Back-End Event Handler:
Private Sub DoIt_Click(ByVal sender as Object, ByVal e as EventArgs) handles DoIt.Click
DO THE CODE YOU WANT TO CHECK YOUR FIELD HERE!!!
End Sub

this way, the page will load the confirmation script once, not on postback, the script itself will change the field of your field and THEN click a hidden button, which will trigger a postback (therefore, script won't run again) and call the event handler for the hidden button and from there, your field will be changed and you can use it's content however you want.

let me know if this is what you want to do or not...

cheers!

Accepted Solution

03.27.2008 at 05:22PM PDT, ID: 21227014

MaxOvrdrv2:

Sorry... revised last paragraph, so you can understand better:

this way, the page will load the confirmation script one time only, then the script itself will change the value of your field and THEN also click a hidden button, which will trigger a postback, at this point, the script has had time to change the field value and NOW you can check it server-side... the event handler for the hidden button can handle it here, and in that event handler, you can do whatever you want with the field value.

maybe this is a bit more clear.

03.31.2008 at 08:13AM PDT, ID: 21246095

tjgilbert:

Okay, I understand what you are taking about and I had to restructure my program in order to get it to work.

Private Sub DoIt_Click(ByVal sender As Object, ByVal e As EventArgs) Handles DoIt.Click

Dim strMessage As String = "True"
Response.Clear()
Response.ClearContent()
Response.ContentType = "Application/doc"
Response.AddHeader("Content-Disposition", "inline;filename=OpenLargeFile.doc")
Response.AddHeader("Content-Length", fileData.length.ToString())
Response.BufferOutput = True
Response.BinaryWrite(fileData)
Response.Flush()
Response.Close()
Response.End()
Response.Redirect("report.aspx")
End Sub

The only problem I have now is that the File is opening in MS Word and opens a seperate window leaving a blank window. I have tried to add Response.Redirect but it doesn't seem to run that line of code.

Any suggestions? Thanks for your help.

MaxOvrdrv2

04.01.2008 at 01:21PM PDT, ID: 21257748

Sorry... you won't be able to close the window... as soon as you change the HHTP headers, the actual HTML file then becomes/is being considered as a file instead... and therefore, response.redirect doesn't amount to anything in a Word file... sucks but... there's nothing you can do... or at least i'm not aware of anything that you can do to close the window.

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