>
>It doesn't work if I put it in an UpdatePanel (ASP.NET Ajax), but I cannot
>understand where is the problem. Basically I've an updatepanel with an asp
>panel inside. This panel is not visible when the page is loaded, but
>contains the captcha control. After the user select a command from the
page
>(a linkbutton external to the updatepanel), I make visible the panel. All
>this is working: then captcha control is visibile, and I can see the
image.
>All other form fields and asp.net validators that are in the same panel
work
>well, but this control cannot be validated.
>
>Any idea?
>
>thanks
>
>
>

"Steven Cheng[MSFT]" <stch***@online.microsoft.com> wrote in message
news:Xcx2219AIHA.4200@TK2MSFTNGHUB02.phx.gbl...
> Hi Trapulo,
>
> From your description, you're using a 3rd party validation code control
> and
> found it won't work well within ASP.NET ajax update panel, correct?
>
> As for this particular control, I've also downloaded the source and demo
> and tested in my local environment. I found that the auhtor indicate that
> you should disable the ViewState (in his sample page, he disabled the
> <form>'s viewstate).  I've tested the validation control in updatepanel
> and
> with updatepanel's viewstate disabled and seems it can work correctly.
> Would this be the cause of the problem you met?
>
> BTW, for make custom control compatible with aspx updatepanel, here is a
> forum aritcle maybe helpful:
>
> #HOWTO: Write controls compatible with UpdatePanel without linking to the
> ASP.NET AJAX DLL
> http://forums.asp.net/p/1040033/1445844.aspx
>
> Sincerely,
>
> Steven Cheng
>
> Microsoft MSDN Online Support Lead
>
>
>
> ==================================================
>
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
> ications.
>
>
>
> Note: The MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 1 business day is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions or complex
> project analysis and dump analysis issues. Issues of this nature are best
> handled working with a dedicated Microsoft Support Engineer by contacting
> Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/subscriptions/support/default.aspx.
>
> ==================================================
>
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
>
>
> --------------------
>>From: "Trapulo" <trapulo2@noemail.noemail>
>>Subject: control that doen't run in an updatepanel
>>Date: Sun, 30 Sep 2007 19:47:50 +0200
>
>>
>>I'm trying to run a "captcha" web control. Full control source is
> available
>>here:
>>http://www.codeproject.com/aspnet/CaptchaControl.asp?forumid=124885&select=
> 2250821&df=100&fr=76
>>
>>It doesn't work if I put it in an UpdatePanel (ASP.NET Ajax), but I cannot
>>understand where is the problem. Basically I've an updatepanel with an asp
>>panel inside. This panel is not visible when the page is loaded, but
>>contains the captcha control. After the user select a command from the
> page
>>(a linkbutton external to the updatepanel), I make visible the panel. All
>>this is working: then captcha control is visibile, and I can see the
> image.
>>All other form fields and asp.net validators that are in the same panel
> work
>>well, but this control cannot be validated.
>>
>>Any idea?
>>
>>thanks
>>
>>
>>
>

"Trapulo" <trapulo2@noemail.noemail> wrote in message
news:OBvpUXDBIHA.4496@TK2MSFTNGP06.phx.gbl...
> Hello Steven,
> I've created a new blank project to investigate the problem. In fact,
> starting with a blank page the control did work after I used the
> updatePanel. But then I discovered what is that make it unworking.
>
> I've created a simple schema as this, that is a simple model of my real
> and original page:
>
> <asp:UpdatePanel ID="UpdatePanel2" runat="server">
>
> <ContentTemplate>
>
> <asp:Button ID="btnShow" EnableViewState="false" runat="server"
> Text="show" />
>
> </ContentTemplate>
>
> </asp:UpdatePanel>
>
> <div>
>
> <asp:UpdatePanel ID="UpdatePanel1" runat="server" EnableViewState="False"
> UpdateMode="Conditional">
>
> <ContentTemplate>
>
> <asp:Panel ID="panelOne" runat="server" Visible="false"
> EnableViewState="true">
>
> <cc1:CaptchaControl ID="CaptchaControl1" runat="server" />
>
> <asp:Button ID="Button1" runat="server" Text="Button" />
>
> <asp:ValidationSummary ID="ValidationSummary1" runat="server" />
>
> </asp:Panel>
>
> </ContentTemplate>
>
> </asp:UpdatePanel>
>
> </div>
>
> I've just this code on codebehind:
>
> Protected Sub btnShow_Click(ByVal sender As Object, ByVal e As
> System.EventArgs) Handles btnShow.Click
>
> Me.panelOne.Visible = True
>
> Me.UpdatePanel1.Update()
>
> End Sub
>
>
>
> I know that there are better way to create this behavor, but as I said
> this is only a part of myoriginal page and UI logic  :)
>
> After I put the btnShow button in the updatePanel2, the captcha stopped
> working. So I think that there is some error using ASP.NET Ajax, but I
> cannot find where.
>
>
>
> Thanks
>
>
>
>
>
>
>
> "Steven Cheng[MSFT]" <stch***@online.microsoft.com> wrote in message
> news:Xcx2219AIHA.4200@TK2MSFTNGHUB02.phx.gbl...
>> Hi Trapulo,
>>
>> From your description, you're using a 3rd party validation code control
>> and
>> found it won't work well within ASP.NET ajax update panel, correct?
>>
>> As for this particular control, I've also downloaded the source and demo
>> and tested in my local environment. I found that the auhtor indicate that
>> you should disable the ViewState (in his sample page, he disabled the
>> <form>'s viewstate).  I've tested the validation control in updatepanel
>> and
>> with updatepanel's viewstate disabled and seems it can work correctly.
>> Would this be the cause of the problem you met?
>>
>> BTW, for make custom control compatible with aspx updatepanel, here is a
>> forum aritcle maybe helpful:
>>
>> #HOWTO: Write controls compatible with UpdatePanel without linking to the
>> ASP.NET AJAX DLL
>> http://forums.asp.net/p/1040033/1445844.aspx
>>
>> Sincerely,
>>
>> Steven Cheng
>>
>> Microsoft MSDN Online Support Lead
>>
>>
>>
>> ==================================================
>>
>> Get notification to my posts through email? Please refer to
>> http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
>> ications.
>>
>>
>>
>> Note: The MSDN Managed Newsgroup support offering is for non-urgent
>> issues
>> where an initial response from the community or a Microsoft Support
>> Engineer within 1 business day is acceptable. Please note that each
>> follow
>> up response may take approximately 2 business days as the support
>> professional working with you may need further investigation to reach the
>> most efficient resolution. The offering is not appropriate for situations
>> that require urgent, real-time or phone-based interactions or complex
>> project analysis and dump analysis issues. Issues of this nature are best
>> handled working with a dedicated Microsoft Support Engineer by contacting
>> Microsoft Customer Support Services (CSS) at
>> http://msdn.microsoft.com/subscriptions/support/default.aspx.
>>
>> ==================================================
>>
>>
>> This posting is provided "AS IS" with no warranties, and confers no
>> rights.
>>
>>
>> --------------------
>>>From: "Trapulo" <trapulo2@noemail.noemail>
>>>Subject: control that doen't run in an updatepanel
>>>Date: Sun, 30 Sep 2007 19:47:50 +0200
>>
>>>
>>>I'm trying to run a "captcha" web control. Full control source is
>> available
>>>here:
>>>http://www.codeproject.com/aspnet/CaptchaControl.asp?forumid=124885&select=
>> 2250821&df=100&fr=76
>>>
>>>It doesn't work if I put it in an UpdatePanel (ASP.NET Ajax), but I
>>>cannot
>>>understand where is the problem. Basically I've an updatepanel with an
>>>asp
>>>panel inside. This panel is not visible when the page is loaded, but
>>>contains the captcha control. After the user select a command from the
>> page
>>>(a linkbutton external to the updatepanel), I make visible the panel. All
>>>this is working: then captcha control is visibile, and I can see the
>> image.
>>>All other form fields and asp.net validators that are in the same panel
>> work
>>>well, but this control cannot be validated.
>>>
>>>Any idea?
>>>
>>>thanks
>>>
>>>
>>>
>>
>
>

>Subject: Re: control that doen't run in an updatepanel
>Date: Mon, 1 Oct 2007 16:30:52 +0200

>
>I've found that if the updatePanel that contains the Captcha control has
>Viewstate disable, it doesn't work in my scenario. If I enable it, then
the
>catcha works
>
>BTW, can I ask you for a suggestion? This control stores "captcha codes"
in
>asp.net Cache. Can this be a performance or other kind of problem? Is it
>better if I encrypt code and flow it as parameter in image url tag (<img
>src="blabla.aspx?code=encryptedCode"), and in viewstate or other client
side
>store?
>
>
>"Trapulo" <trapulo2@noemail.noemail> wrote in message
>news:OBvpUXDBIHA.4496@TK2MSFTNGP06.phx.gbl...
>> Hello Steven,
>> I've created a new blank project to investigate the problem. In fact,
>> starting with a blank page the control did work after I used the
>> updatePanel. But then I discovered what is that make it unworking.
>>
>> I've created a simple schema as this, that is a simple model of my real
>> and original page:
>>
>> <asp:UpdatePanel ID="UpdatePanel2" runat="server">
>>
>> <ContentTemplate>
>>
>> <asp:Button ID="btnShow" EnableViewState="false" runat="server"
>> Text="show" />
>>
>> </ContentTemplate>
>>
>> </asp:UpdatePanel>
>>
>> <div>
>>
>> <asp:UpdatePanel ID="UpdatePanel1" runat="server"
EnableViewState="False"
>> UpdateMode="Conditional">
>>
>> <ContentTemplate>
>>
>> <asp:Panel ID="panelOne" runat="server" Visible="false"
>> EnableViewState="true">
>>
>> <cc1:CaptchaControl ID="CaptchaControl1" runat="server" />
>>
>> <asp:Button ID="Button1" runat="server" Text="Button" />
>>
>> <asp:ValidationSummary ID="ValidationSummary1" runat="server" />
>>
>> </asp:Panel>
>>
>> </ContentTemplate>
>>
>> </asp:UpdatePanel>
>>
>> </div>
>>
>> I've just this code on codebehind:
>>
>> Protected Sub btnShow_Click(ByVal sender As Object, ByVal e As
>> System.EventArgs) Handles btnShow.Click
>>
>> Me.panelOne.Visible = True
>>
>> Me.UpdatePanel1.Update()
>>
>> End Sub
>>
>>
>>
>> I know that there are better way to create this behavor, but as I said
>> this is only a part of myoriginal page and UI logic  :)
>>
>> After I put the btnShow button in the updatePanel2, the captcha stopped
>> working. So I think that there is some error using ASP.NET Ajax, but I
>> cannot find where.
>>
>>
>>
>> Thanks
>>
>>
>>
>>
>>
>>
>>
>> "Steven Cheng[MSFT]" <stch***@online.microsoft.com> wrote in message
>> news:Xcx2219AIHA.4200@TK2MSFTNGHUB02.phx.gbl...
>>> Hi Trapulo,
>>>
>>> From your description, you're using a 3rd party validation code control
>>> and
>>> found it won't work well within ASP.NET ajax update panel, correct?
>>>
>>> As for this particular control, I've also downloaded the source and demo
>>> and tested in my local environment. I found that the auhtor indicate
that
>>> you should disable the ViewState (in his sample page, he disabled the
>>> <form>'s viewstate).  I've tested the validation control in updatepanel
>>> and
>>> with updatepanel's viewstate disabled and seems it can work correctly.
>>> Would this be the cause of the problem you met?
>>>
>>> BTW, for make custom control compatible with aspx updatepanel, here is a
>>> forum aritcle maybe helpful:
>>>
>>> #HOWTO: Write controls compatible with UpdatePanel without linking to
the
>>> ASP.NET AJAX DLL
>>> http://forums.asp.net/p/1040033/1445844.aspx
>>>
>>> Sincerely,
>>>
>>> Steven Cheng
>>>
>>> Microsoft MSDN Online Support Lead
>>>
>>>
>>>
>>> ==================================================
>>>
>>> Get notification to my posts through email? Please refer to
>>>

>>> ications.
>>>
>>>
>>>
>>> Note: The MSDN Managed Newsgroup support offering is for non-urgent
>>> issues
>>> where an initial response from the community or a Microsoft Support
>>> Engineer within 1 business day is acceptable. Please note that each
>>> follow
>>> up response may take approximately 2 business days as the support
>>> professional working with you may need further investigation to reach
the
>>> most efficient resolution. The offering is not appropriate for
situations
>>> that require urgent, real-time or phone-based interactions or complex
>>> project analysis and dump analysis issues. Issues of this nature are
best
>>> handled working with a dedicated Microsoft Support Engineer by
contacting
>>> Microsoft Customer Support Services (CSS) at
>>> http://msdn.microsoft.com/subscriptions/support/default.aspx.
>>>
>>> ==================================================
>>>
>>>
>>> This posting is provided "AS IS" with no warranties, and confers no
>>> rights.
>>>
>>>
>>> --------------------
>>>>From: "Trapulo" <trapulo2@noemail.noemail>
>>>>Subject: control that doen't run in an updatepanel
>>>>Date: Sun, 30 Sep 2007 19:47:50 +0200
>>>
>>>>
>>>>I'm trying to run a "captcha" web control. Full control source is
>>> available
>>>>here:
>>>>http://www.codeproject.com/aspnet/CaptchaControl.asp?forumid=124885&sele
ct=
>>> 2250821&df=100&fr=76
>>>>
>>>>It doesn't work if I put it in an UpdatePanel (ASP.NET Ajax), but I
>>>>cannot
>>>>understand where is the problem. Basically I've an updatepanel with an
>>>>asp
>>>>panel inside. This panel is not visible when the page is loaded, but
>>>>contains the captcha control. After the user select a command from the
>>> page
>>>>(a linkbutton external to the updatepanel), I make visible the panel.
All
>>>>this is working: then captcha control is visibile, and I can see the
>>> image.
>>>>All other form fields and asp.net validators that are in the same panel
>>> work
>>>>well, but this control cannot be validated.
>>>>
>>>>Any idea?
>>>>
>>>>thanks
>>>>
>>>>
>>>>
>>>
>>
>>
>
>
>

"Steven Cheng[MSFT]" <stch***@online.microsoft.com> wrote in message
news:ziynmiNBIHA.4200@TK2MSFTNGHUB02.phx.gbl...
> Thanks for your followup Trapulo,
>
> For the further memory pressure issue, I'm wondering whether your
> application will be a high available one that has large concurrent users,
> if not, I think such cache usage would be ok. Otherwise, surely, you can
> put the code into encrypted urlstring or page's html source.
>
> Sincerely,
>
> Steven Cheng
>
> Microsoft MSDN Online Support Lead
>
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
> --------------------
>>From: "Trapulo" <trapulo2@noemail.noemail>
>>References: <uVkoGo4AIHA.5***@TK2MSFTNGP03.phx.gbl>
> <Xcx2219AIHA.4***@TK2MSFTNGHUB02.phx.gbl>
> <OBvpUXDBIHA.4***@TK2MSFTNGP06.phx.gbl>
>>Subject: Re: control that doen't run in an updatepanel
>>Date: Mon, 1 Oct 2007 16:30:52 +0200
>
>>
>>I've found that if the updatePanel that contains the Captcha control has
>>Viewstate disable, it doesn't work in my scenario. If I enable it, then
> the
>>catcha works
>>
>>BTW, can I ask you for a suggestion? This control stores "captcha codes"
> in
>>asp.net Cache. Can this be a performance or other kind of problem? Is it
>>better if I encrypt code and flow it as parameter in image url tag (<img
>>src="blabla.aspx?code=encryptedCode"), and in viewstate or other client
> side
>>store?
>>
>>
>>"Trapulo" <trapulo2@noemail.noemail> wrote in message
>>news:OBvpUXDBIHA.4496@TK2MSFTNGP06.phx.gbl...
>>> Hello Steven,
>>> I've created a new blank project to investigate the problem. In fact,
>>> starting with a blank page the control did work after I used the
>>> updatePanel. But then I discovered what is that make it unworking.
>>>
>>> I've created a simple schema as this, that is a simple model of my real
>>> and original page:
>>>
>>> <asp:UpdatePanel ID="UpdatePanel2" runat="server">
>>>
>>> <ContentTemplate>
>>>
>>> <asp:Button ID="btnShow" EnableViewState="false" runat="server"
>>> Text="show" />
>>>
>>> </ContentTemplate>
>>>
>>> </asp:UpdatePanel>
>>>
>>> <div>
>>>
>>> <asp:UpdatePanel ID="UpdatePanel1" runat="server"
> EnableViewState="False"
>>> UpdateMode="Conditional">
>>>
>>> <ContentTemplate>
>>>
>>> <asp:Panel ID="panelOne" runat="server" Visible="false"
>>> EnableViewState="true">
>>>
>>> <cc1:CaptchaControl ID="CaptchaControl1" runat="server" />
>>>
>>> <asp:Button ID="Button1" runat="server" Text="Button" />
>>>
>>> <asp:ValidationSummary ID="ValidationSummary1" runat="server" />
>>>
>>> </asp:Panel>
>>>
>>> </ContentTemplate>
>>>
>>> </asp:UpdatePanel>
>>>
>>> </div>
>>>
>>> I've just this code on codebehind:
>>>
>>> Protected Sub btnShow_Click(ByVal sender As Object, ByVal e As
>>> System.EventArgs) Handles btnShow.Click
>>>
>>> Me.panelOne.Visible = True
>>>
>>> Me.UpdatePanel1.Update()
>>>
>>> End Sub
>>>
>>>
>>>
>>> I know that there are better way to create this behavor, but as I said
>>> this is only a part of myoriginal page and UI logic  :)
>>>
>>> After I put the btnShow button in the updatePanel2, the captcha stopped
>>> working. So I think that there is some error using ASP.NET Ajax, but I
>>> cannot find where.
>>>
>>>
>>>
>>> Thanks
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> "Steven Cheng[MSFT]" <stch***@online.microsoft.com> wrote in message
>>> news:Xcx2219AIHA.4200@TK2MSFTNGHUB02.phx.gbl...
>>>> Hi Trapulo,
>>>>
>>>> From your description, you're using a 3rd party validation code control
>>>> and
>>>> found it won't work well within ASP.NET ajax update panel, correct?
>>>>
>>>> As for this particular control, I've also downloaded the source and
>>>> demo
>>>> and tested in my local environment. I found that the auhtor indicate
> that
>>>> you should disable the ViewState (in his sample page, he disabled the
>>>> <form>'s viewstate).  I've tested the validation control in updatepanel
>>>> and
>>>> with updatepanel's viewstate disabled and seems it can work correctly.
>>>> Would this be the cause of the problem you met?
>>>>
>>>> BTW, for make custom control compatible with aspx updatepanel, here is
>>>> a
>>>> forum aritcle maybe helpful:
>>>>
>>>> #HOWTO: Write controls compatible with UpdatePanel without linking to
> the
>>>> ASP.NET AJAX DLL
>>>> http://forums.asp.net/p/1040033/1445844.aspx
>>>>
>>>> Sincerely,
>>>>
>>>> Steven Cheng
>>>>
>>>> Microsoft MSDN Online Support Lead
>>>>
>>>>
>>>>
>>>> ==================================================
>>>>
>>>> Get notification to my posts through email? Please refer to
>>>>
> http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
>>>> ications.
>>>>
>>>>
>>>>
>>>> Note: The MSDN Managed Newsgroup support offering is for non-urgent
>>>> issues
>>>> where an initial response from the community or a Microsoft Support
>>>> Engineer within 1 business day is acceptable. Please note that each
>>>> follow
>>>> up response may take approximately 2 business days as the support
>>>> professional working with you may need further investigation to reach
> the
>>>> most efficient resolution. The offering is not appropriate for
> situations
>>>> that require urgent, real-time or phone-based interactions or complex
>>>> project analysis and dump analysis issues. Issues of this nature are
> best
>>>> handled working with a dedicated Microsoft Support Engineer by
> contacting
>>>> Microsoft Customer Support Services (CSS) at
>>>> http://msdn.microsoft.com/subscriptions/support/default.aspx.
>>>>
>>>> ==================================================
>>>>
>>>>
>>>> This posting is provided "AS IS" with no warranties, and confers no
>>>> rights.
>>>>
>>>>
>>>> --------------------
>>>>>From: "Trapulo" <trapulo2@noemail.noemail>
>>>>>Subject: control that doen't run in an updatepanel
>>>>>Date: Sun, 30 Sep 2007 19:47:50 +0200
>>>>
>>>>>
>>>>>I'm trying to run a "captcha" web control. Full control source is
>>>> available
>>>>>here:
>>>>>http://www.codeproject.com/aspnet/CaptchaControl.asp?forumid=124885&sele
> ct=
>>>> 2250821&df=100&fr=76
>>>>>
>>>>>It doesn't work if I put it in an UpdatePanel (ASP.NET Ajax), but I
>>>>>cannot
>>>>>understand where is the problem. Basically I've an updatepanel with an
>>>>>asp
>>>>>panel inside. This panel is not visible when the page is loaded, but
>>>>>contains the captcha control. After the user select a command from the
>>>> page
>>>>>(a linkbutton external to the updatepanel), I make visible the panel.
> All
>>>>>this is working: then captcha control is visibile, and I can see the
>>>> image.
>>>>>All other form fields and asp.net validators that are in the same panel
>>>> work
>>>>>well, but this control cannot be validated.
>>>>>
>>>>>Any idea?
>>>>>
>>>>>thanks
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>>
>>
>