Telerik window is not shown - asp.net

I am using telerik window control in my popup. In some cases when the page is loaded the pop up window skin is missing. Only the page inside window is displayed. I had searched every where for its answer but unable to find it.
Code:
<telerik:RadWindowManager ID="RadWindowManagerUserAgreement" ShowContentDuringLoad="false" VisibleStatusbar="false" ReloadOnShow="true" runat="server" EnableShadow="true">
<Windows>
<telerik:RadWindow ID="UserRequestRadWindow" Title="<span style='margin- left:15px;'>Username and Password Request</span>" runat="server" Width="400px" Height="300px" Behaviors="Close" Skin="HCPro" EnableEmbeddedSkins="false">
</telerik:RadWindow>
</Windows>
</telerik:RadWindowManager>

If you are under IE you may have hit the 31 stylesheets limitation this browser has. Add a RadStyleSheetManager to your page to combine the requests in a single file. Confirm this by testing in Firefox or Chrome as well. Also, make sure your requests are ok, your stylesheets may not be present on the page in case you are adding them dynamically and something goes wrong with your code.

Please remove Skin="HCPro" EnableEmbeddedSkins="false".
HCPro is not a valid telerik skin, unless you implemented one by yourself.
Here are the valid skin names from telerik -
Black, Default, Forest, Hay, Metro, MetroTouch, Office2007, Office2010Black, Office2010Blue, Office2010Silver, Outlook, Simple, Sitefinity, Sunset, Telerik, Transparent, Vista, Web20, WebBlue, Windows7

Related

FireFox and AjaxControlToolKit Combobox

I'm using the .NET framework 4.0 and the corresponding version of the Ajax control toolkit.
On my page I have a combobox defined like this:
<asp:ComboBox ID="cbUserName" AutoCompleteMode="SuggestAppend"
CaseSensitive="false" runat="server" BackColor="#FFFFCC">
</asp:ComboBox>
In IE9 the combobox allows me to either type in it or select from the list of users. In FireFox, however, it's not letting me type in the box. The dropdownlist also doesn't filter when I'm typing in FireFox either. I'm wondering if anyone else has seen this behavior, and if there's a work-around?
EDIT
For what it's worth, the demo on the ASP.NET Ajax Control Toolkit site actually works fine in FireFox.
I was also getting the problem of not being able to enter text into a Combobox in FireFox, but I could in IE and Chrome. After a day of looking into the problem I found that setting the MaxLength property to something greater than 0 allowed FireFox to accept entry in the text field for the combobox.
I hope this helps someone having the same problem.
ddlBox.SelectedIndex = 0
Until the latest iteration of Ajax control toolkit, I didn't need to set that. But then I updated, and I couldn't type into the empty text box, which used to be displayed with the first item. So I added that code and it works fine again.
The similar issue has been reported here, make sure you used the same version of firefox and toolkit. If not try to upgrade them and again try.
<ajaxToolkit:ComboBox ID="ComboBox1" runat="server" DropDownStyle="DropDownList" AutoCompleteMode="SuggestAppend" CssClass="" AppendDataBoundItems="false">
<asp:ListItem>Fox</asp:ListItem>
</ajaxToolkit:ComboBox>
This worked for me in firefox.
Im not sure if you mistaking the ability to type but a combobox will only allow you to type out the ListItems. so in this case it will only allow you to type out Fox..
I experienced the same problem. I couldn't find an elegant solution online so I built my own AjaxControlToolkit.dll from two different sets of the toolkit source code.
I used everything from the latest release except for I replaced ComboBox.cs and ComboBox.pre.js with their versions from AjaxControlToolkit_8502f32ba9ce. (~July 2011)
Try using:
ajaxToolkit:ComboBox ID="ComboBox1" runat="server" DropDownStyle="DropDownList"
AutoCompleteMode="SuggestAppend" CssClass="" AppendDataBoundItems="false"
MaxLength="100"

trying to disable the telerik editor control in asp

I was thinking to do this server side, but what i was wanting to do was disable the telerik control called the "Editor." Located at the site: telerick editor control.
My reasoning behind this was that I wanted to give a user the exact look and feel of the object while having everything disabled. I didnt want to use an image at all because it would be stretched, shrank, clicked, etc and wanted to maintain how the editor would look. I had an alternate option i COULD do but not only it would be ineffecient, but have holes to open up for injection.
Looking through the API for that i didnt see which way to accomplish that.
I was thinking to do jquery maybe on the client side to disable, but why do that when you can set the item itself be flagged as disabled and never be entirely sent to the client.
Thoughts? Ideas? How would you go about it? I didnt see methods or attributes that really led to what i was doing.
You can just set enabled="false" on the radEditor declaration in your aspx page:
http://www.telerik.com/help/aspnet-ajax/editor-disabling-radeditor.html
<telerik:RadEditor runat="server" ID="RadEditor1" Enabled="false">
<Content>
<strong>sample content</strong>
</Content>
</telerik:RadEditor>
On the Server Side you can do
RadEditor1.Enabled = false;
In jquery,
try
$("#RadEditor1").prop('disabled', true);

Weird behavior of linkbutton within updatepanel

This problem is relevent apperantly to IE6 and maybe to newer versions im not sure. when you put a linkbutton inside an updatepanel like so:
<asp:ScriptManager runat="server"></asp:ScriptManager>
<asp:UpdatePanel runat="server">
<ContentTemplate>
<asp:LinkButton runat="server">Test</asp:LinkButton>
</ContentTemplate>
</asp:UpdatePanel>
You run it and then play around with ctrl+mouse wheel and change the size of the site. Then click the linkbutton. It changes the size of the text of the website again to somekind of deffault size... Im wondering if someone knows how to fix this. And what is causing this problem
Edit: the problem was with a few users clicking the link and suddenly all the text on the page became very small and unreadable
You have nothing to fix here, this is a browser behavior.
But if you have a custom behavior that you change the text size, then you need to take care to save the last setting somewhere and then get the last setting and use it.

Trying to self contain pop ups which use the AjaxToolkit ModalPopUpExtender

I have 3 different kinds of ajax popups that need to exist across my site. I was hoping that I could simply create a user control for each one and place the panel and modal popup extender inside each one but this doesn't seem to be working. Has anyone tried this before or do you have a recommendation as to how I can avoid duplicate code for each pop up on different pages? Thanks!
Ah I figured out my issue with the User Control I believe.
The ModalPopUpExtender requires the TargetID property to be set otherwise an error occurs. Since this is sitting in a UserControl I just created a dummy link button that doesn't do anything and I set the property visible to false.
<asp:LinkButton ID="lnkBlank" runat="server" Visible="false" />
<asp:Panel ID="plContainer" style="display: none;" runat="server">
Hello?
</asp:Panel>
<cc1:ModalPopupExtender ID="mpe" runat="server"
BehaviorID="test"
TargetControlID="lnkBlank"
PopupControlID="plContainer" />
Apparently it doesn't appreciate that and the moment I set the visible property to true it started working. Not sure what the reasoning is for a TargetID since, I would think, most pop ups could be called from multiple links about the page. Perhaps I'm still not entirely clear on how this control is supposed to be used.
One option would be to write the popups in a asp.net user control (a .ascx page) and include that on the pages you need the popups. Have a public method in the ascx page that will show the popup, and call it from the parent page when you need to. If you already have a script manager on the parent page, you can't have a second one in the ascx page, but other then that there shouldn't be anything that would stop this from working. Hope this helps!
edit: here's what my modal popup extender control looks like...
<cc1:ModalPopupExtender
ID="mpeClassroom"
BackgroundCssCLass="modalBackground"
runat="server"
CancelControlID="lbClose"
OnOkScript="onOk()"
TargetControlID="Button1"
PopupControlID="pnlClassroom">
</cc1:ModalPopupExtender>
in my code behind page, my method just calls mpeClassroom.Show();
The problem with hidden link as TrgetControlID is that; when u set its visibility as false, server doesn't render it as well. PopExtender then cannot find control on the page.
Instead of setting its visibility to false, try to apply a style with display:none. This should work !

Entire Page refreshes even though gridview is in an update panel

I have a gridview that is within an updatepanel for a modal popup I have on a page.
The issue is that the entire page refreshes every time I click an imagebutton that is within my gridview. This causes my entire page to load and since I have grayed out the rest of the page so that the user cannot click on it this is very annoying.
Does any one know what I am missing.
Edit: I entered a better solution at the bottom
Make sure you have the following set on the UpdatePanel:
ChildrenAsTriggers=false and UpdateMode=Conditional
do you have ChildrenAsTriggers="false" on the UpdatePanel?
Are there any javascript errors on the page?
I had this problem and came across the following article:
http://bloggingabout.net/blogs/rick/archive/2008/04/02/linkbutton-inside-updatepanel-results-in-full-postback-updatepanel-not-triggered.aspx
My button wasn't dynamically created in the code like in this example, but when I checked the code in the aspx sure enough it was missing an ID property. On adding the ID the postback became asynchronous and started to behave as expected.
So, in summary, check your button has an ID!
Are you testing in Firefox or IE? We have a similar issue where the entire page refreshes in Firefox (but not IE). To get around it we use a hidden asp:button with the useSubmitBehavior="false" set.
<asp:Button ID="btnRefresh" runat="server" OnClick="btnRefresh_Click" Style="display: none" UseSubmitBehavior="false" />
Several months later this problem was fixed. The project I was working in was a previous v1.1 which was converted with 2.0. However, in the web.config this line remained:
<xhtmlConformance mode="Legacy"/>
When it was commented out all of the bugs that we seemed to have with the ajax control toolkit disappeared
Is the Modal Window popped up using the IE Modal window? Or is it a DIV that you are showing?
If it is an IE Modal Pop up you need to ensure you have
<base target="_self" />
To make sure the post back are to the modal page.
If it is a DIV make sure you have your XHTML correct or it might not know what to update.
I would leave the onClick and set it as the trigger for the updatePanel.
That's odd that it works in FF and not IE. That is opposite from the behavior we experience.
UpdatePanels can be sensitive to malformed HTML. Do a View Source from your browser and run it through something like the W3C validator to look for anything weird (unclosed div or table being the usual suspects)
If you use Firefox, there's a HTML validator Extension/AddOn available that works quite nicely.
For reference..
I've also noticed, when using the dreaded <asp:UpdatePanel ... /> and <asp:LinkButton ... />, that as well as UpdateMode="Conditional" on the UpdatePanel the following other changes are required:
ViewStateMode="Enabled" is required on <asp:Content ... /> (I've set it to Disabled in the MasterPage)
ClientIDMode="Static" had to be removed from <%# Page ... />
To prevent post-backs add return false to the onclick event.
button.attribute.add("onclick","return false;");
Sample:
string PopupURL = Common.GetAppPopupPath() + "Popups/StockChart.aspx?s=" + symbol;
hlLargeChart.Attributes.Add("onclick", String.Format("ShowPopupStdControls(PCStockChartWindow,'{0}');return false;", PopupURL));

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