Completed
Last Updated: 04 Sep 2019 08:27 by ADMIN
See: https://demos.telerik.com/aspnet-ajax/combobox/examples/accessibility/defaultcs.aspx

1. Click somewhere in the page to establish focus.

2. Use the tab key to focus the combo box.  (This works in Chrome, but in IE the control is skipped.)

3. Note that the combo box does not drop-down the list of options like it does when you click the mouse. Clicking the enter key does not drop down the list. Alt-Down-Arrow does not drop down the list.

4. Press Tab and note that focus skips the arrow icon on the combo box and moves down to the "validate with Wave" link.

5. Press Shift-Tab and note that the Arrow icon is now focuses and the enter key will drop down the options list.

6. While JAWS 2019 is running, press the "C" key and note that JAWS reports that there are no combo boxes on the page.

 

Expectations:

* Jaws is able to properly identify the combo box based on ARIA tags

* Tabbing into the combo box presents the same behaviors as using the mouse button
Completed
Last Updated: 03 Sep 2019 16:11 by ADMIN
Release R3 2019

Reproduction: https://demos.telerik.com/aspnet-ajax/combobox/examples/wai-aria-support/defaultcs.aspx

1) focus the ComboBox

2) press C 

Expected: 

- Camembert Pierrot is selected

- JAWS pronounces "c" and "Camembert Pierrot"

Actual: 

- Camembert Pierrot is selected

- JAWS pronounces "c"

Reference for expected behavior: https://www.w3.org/TR/wai-aria-practices/examples/listbox/listbox-collapsible.html

Completed
Last Updated: 03 Sep 2019 16:10 by ADMIN
Release R3 2019
Problem:  Latest Telerik version of Combobox or RadCombobox reads "readonly" though it's not, when EnableAriaSupport is enabled.

Details: 

url to test with JAWS - https://demos.telerik.com/aspnet-ajax/combobox/examples/wai-aria-support/defaultcs.aspx

When I use JAWS to read the combobox present on this demo it reads as follows - 
              ComboBox readonly - Alice Mutton. To change the selection press the arrow keys.

Over here, why JAWS is reading "readonly". It's not readonly. It's making our screenreader blind users confusing.

I drilled down more into the problem and found that, the input element below has the aria-readonly=true set though the combobox is not readonly.
Here is the html generated for above combobox from telerik demo site -

<input name="ctl00$ContentPlaceholder1$RadComboBox2" class="rcbInput radPreventDecorate" id="ctl00_ContentPlaceholder1_RadComboBox2_Input" role="combobox" aria-busy="false" aria-disabled="false" aria-expanded="false" aria-haspopup="true" aria-readonly="true" aria-owns="ctl00_ContentPlaceholder1_RadComboBox2_listbox" aria-autocomplete="none" type="text" readonly="readonly" value="Alice Mutton" autocomplete="off">

I understand that this input control should be readonly so that aria users should not type and go haywire. But looks like to maintain the readonly=readonly property, telerik is generating aria-readonly=true for this _Input control and resulting this issue.

When you change this attribute aria-readonly="true" to aria-readonly="false", JAWS read it correctly as follows - 
              ComboBox - Alice Mutton. To change the selection press the arrow keys.

Let me know how to achieve that so that users will not be confused.
Completed
Last Updated: 14 Aug 2019 11:49 by ADMIN
To maintain accessibility consistency with normal HTML select comboboxes, we need the RadComboBox to support the Home and End keys to jump to the 1st and last item respectively.  Currently, it just moves the text cursor to the start/end of the textfield.

If the change can't be made globally, can a new property be set to control this behavior?
Ideally too, Page Up/Down can jump multiple items at a time.  Currently, it scrolls the page.

See a 2009 forum post too (from someone else):
http://www.telerik.com/forums/radcombobox-home-end-page-up-page-down-keys
I see the other keyboard shortcuts listed here:
http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/keyboardsupport/defaultcs.aspx

Per Anton: The keyboard support is specification is implemented according to the article (https://www.w3.org/TR/2013/WD-wai-aria-practices-20130307/#combobox) which is why there is no support for these keys.

We would like to request these additional keys be supported anyway.

[From ticket 1083598]
Completed
Last Updated: 12 Aug 2019 12:19 by ADMIN
Created by: Domenico
Comments: 1
Category: ComboBox
Type: Feature Request
5
please add native columns support for radcombobox

<Columns>
      <Column DataField="CategoryName" />
      <Column DataField="Description"  />
</Columns>

best regards
Pending Review
Last Updated: 23 Jul 2019 06:31 by Patrik Madliak
Created by: Patrik Madliak
Comments: 0
Category: ComboBox
Type: Bug Report
0

In WebService binding scenario, the text of the items is not encoded and HTML code might get executed. 

In Server-side Load on Demand binding this is not observed. 

The following code can be used as a temporary workaround for WebService binding scenario: 

<script type="text/javascript">
    Telerik.Web.UI.RadComboBoxItem.prototype._renderItemContent = function (d) {
        if (this.get_imageUrl()) {
            this._renderImage(d);
        }

        //https://stackoverflow.com/questions/6234773/can-i-escape-html-special-chars-in-javascript
        function escapeHtml(unsafe) {
            return unsafe
                    .replace(/&/g, "&amp;")
                    .replace(/</g, "&lt;")
                    .replace(/>/g, "&gt;")
                    .replace(/"/g, "&quot;")
                    .replace(/'/g, "&#039;");
        }

        d[d.length] = escapeHtml(this.get_text());
    }
</script>

Approved
Last Updated: 28 Mar 2019 15:03 by ADMIN

<telerik:RadComboBox runat="server" ID="CB" AllowCustomText="true" HighlightTemplatedItems="true" EnableViewState="false" CheckBoxes="true" EnableLoadOnDemand="true" OnItemsRequested="CB_ItemsRequested" ></telerik:RadComboBox>

Specifically, note that CheckBoxes is true.

In some cases, the combo box's  item's text may have HTML tags in them, but we don't want that HTML to be interpreted, and we're happy that RadComboBox automatically encodes the Item's name.  For example, the Item's text might be <img src=xxx onerror=alert(0)> , and of course we don't want that javascript to run. 

However, we have found a case where the text is not properly escaped, in which case the javascript does run and the alert popup shows.  The error is in RadComboBox.CheckBoxes.js, in the _checkedItemsTextsFitInputWidth function.  That function is passed the comma separated string of all the selected item's text.  This function wants to measure the width of the string, and so it creates a div off-screen, and then pushes the checkedItemTexts string into the div.  If the checkedItemTexts string contains any HTML tags that contain javascript, then that javascript is executed, which can be a XSS attack.

Approved
Last Updated: 21 Mar 2019 09:27 by ADMIN
Created by: Kasim
Comments: 1
Category: ComboBox
Type: Feature Request
1

In combo box once a value is selected there is no option to clear the selection. We can have an additional button outside the combo box to achieve the same.

This will require some additional coding.

Since this is a regular scenario why can't there be a property within the RadCombo Box that makes clear selection button visible next to the combo box drop-down button and does the task of clearing the selection?

Completed
Last Updated: 03 Jan 2019 17:09 by ADMIN
ADMIN
Created by: Peter Milchev
Comments: 2
Category: ComboBox
Type: Bug Report
0

			
Under Review
Last Updated: 02 May 2018 11:54 by Robert
Created by: Robert
Comments: 0
Category: ComboBox
Type: Feature Request
4
Hello,

Here is how i bind the dropdown.

when i trype anything in dropdown it only search based on product code, but i also want search to perform on product code, Product name and wood type code.

Please let me know how can i achieve same.

<telerik:RadComboBoxDataSourceID="SqlDataSource1"DataTextField="ProductCode"DataValueField="idxProductPriceID"EnableAutomaticLoadOnDemand="True"ItemsPerRequest="10"ShowMoreResultsBox="true"EnableVirtualScrolling="true"AutoPostBack="true"OnSelectedIndexChanged="drpProduct_SelectedIndexChanged"EnableLoadOnDemand="true"EnableScreenBoundaryDetection="true"HighlightTemplatedItems="true"MarkFirstMatch="false"Filter="Contains"ID="drpProduct"DropDownAutoWidth="Enabled"Width="100px"runat="server"><HeaderTemplate><tablestyle="width: 100%"cellspacing="0"cellpadding="0"><tr><tdstyle="width: 20%;">Product Code
                                                        </td><tdstyle="width: 40%;">Product Name
                                                        </td><tdstyle="width: 40%;">Wood Type Code
                                                        </td></tr></table></HeaderTemplate><ItemTemplate><tablestyle="width: 100%"cellspacing="0"cellpadding="0"><tr><tdstyle="width: 20%;"><%#DataBinder.Eval(Container.DataItem, "ProductCode")%></td><tdstyle="width: 40%;"><%#DataBinder.Eval(Container.DataItem, "ProductName")%></td><tdstyle="width: 40%;"><%#DataBinder.Eval(Container.DataItem, "WoodTypeName")%></td></tr></table></ItemTemplate></telerik:RadComboBox><asp:SqlDataSourcerunat="server"ID="SqlDataSource1"ConnectionString="<%$ ConnectionStrings:Default %>"ProviderName="System.Data.SqlClient"SelectCommandType="StoredProcedure"SelectCommand="3_ProductList_Select"></asp:SqlDataSource>
Approved
Last Updated: 04 Mar 2018 19:05 by Jon Morris
If the same text is typed into the input field as the one set for EmptyMessage and page is submitted, validator evaluates True.

Current workaround is to subscribe the RadComboBox to OnClientFocus client event handler, and clear the EmptyMessage manually, thus preventing the EmptyMessage text to be sent to server.

<telerik:RadComboBox ... OnClientFocus="comboFocus">

<script type="text/javascript">
	function comboFocus(sender, args) {
		sender.set_emptyMessage("");
	}
</script>
Approved
Last Updated: 10 Oct 2017 16:25 by ADMIN
ADMIN
Created by: Peter Milchev
Comments: 0
Category: ComboBox
Type: Bug Report
3
A possible workaround would be tweaking the ItemRequestTimeout property of the ComboBox

<telerik:RadComboBox ItemRequestTimeout="380" runat="server" ... >
        ...
 </telerik:RadComboBox>
Completed
Last Updated: 03 Aug 2017 14:40 by Bibin
Approved
Last Updated: 28 Jul 2017 13:39 by ADMIN
The ComboBox pop-up is moving over the page during scrolling in mobile Chrome (Android device). The problem is occurres both in scrolled or zoomed elements.

*The same issue is reproducible also in the SkinChooser.

Steps to reproduce:
1. Run the following code in in mobile Chrome:
        <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" PersistenceMode="ViewState" RenderMode="Auto" Skin="Telerik">
        </telerik:RadSkinManager><br /><br />
        <telerik:RadComboBox ID="cb1" runat="server" AutoPostBack="true">
            <Items>
                <telerik:RadComboBoxItem Text="January" Value="1" />
                <telerik:RadComboBoxItem Text="February" Value="2" />
                <telerik:RadComboBoxItem Text="March" Value="3" />
                <telerik:RadComboBoxItem Text="April" Value="4" />
                <telerik:RadComboBoxItem Text="May" Value="5" />
                <telerik:RadComboBoxItem Text="June" Value="6" />
                <telerik:RadComboBoxItem Text="July" Value="7" />
            </Items>
        </telerik:RadComboBox>

2. Tap over the combo in order to show its dropdown

3. Drag to scroll the page to the left


Result: The dropdown pop-up is moving over the page.
Pending Review
Last Updated: 12 Jun 2017 08:42 by Stephen
Created by: Stephen
Comments: 0
Category: ComboBox
Type: Bug Report
0
Given a RadComboBox with search, if the user enters some search text and then clicks on one of the filtered entries in the dropdown list the validation event is fired as the entry box loses focus and results in a 'false' return from validation as it uses the 'Text' property which is the search string. Validation is then refired as a result of clicking on the entry.
However, the initial 'false' return can cause unwanted behaviour in code that depends on the validation event.
I can supply a sample project demonstrating the problem, but it needs more than the 10 MB upload limit.
Pending Review
Last Updated: 30 May 2017 07:01 by Satish
"Loading..." text in Combobox with Virtual Scrolling is visible on first set of items loading.
It shows first time "Loading..." text. on scrolling it loads items from PageMethods/WebService but "Loading..." text it not visible i.e. because it is first <LI> item so it is not visible.

Instead of first <LI> item, it  should be at position where it always display while loading more items.

same issue is also in telerik demo website : http://demos.telerik.com/aspnet-ajax/combobox/examples/populatingwithdata/autocompletesql/defaultcs.aspx
Won't Fix
Last Updated: 26 Apr 2017 10:38 by ADMIN
Completed
Last Updated: 25 Apr 2017 15:24 by ADMIN
ADMIN
Created by: Peter Milchev
Comments: 0
Category: ComboBox
Type: Bug Report
0

			
Pending Review
Last Updated: 08 Mar 2017 20:33 by Dennis
This error comes up often for this control and workarounds have been discussed and posted.  See below

http://www.telerik.com/forums/radcombobox-error-selection-out-of-range-parameter-name-value 
http://www.telerik.com/forums/selection-out-of-range-excpetion 
http://www.telerik.com/forums/selection-out-of-range-parameter-name-error-need-to-be-able-to-set-values-that-don-t-exist-in-the-combobox 
http://www.telerik.com/forums/selection-out-of-range-parameter-name-value 
http://www.telerik.com/forums/selection-out-of-range-parameter-name-value-radcombobox-in-radgrid
http://www.telerik.com/forums/radcombobox-selection-out-of-range-error 
 

The feature request is the following:

1.  Add an Attribute to the RadComboBox, RadDropdownList (and any other controls that suffer from this issue).

2. Let's call the Attribute   --   AppendIfSelectedValueMissing.

3. This attribute would be a boolean (True / False).  Default is FALSE.

4. If AppendIfSelectedValueMissing=True  then when the value of record is being Databound to a RadComboBox, RadDropDownList, etc.  A check (or Try/Catch) would occur to ensure that the Value exists in the DataSourceList and if it does NOT exist in the list then the SelectedValue would be Appended to the List.  Thus, eliminating the "Selection out of range, Parameter, Value" error.

This occur often because some lists get changed over time; however, the historical data may have a value that is no longer on the list -- thus triggering the error.

For example, let's say we ask for a user's Favorite Color.  Our original list was:
Red, Green, Blue

but for some reason -- management, changing user requirements, etc. the new list is

Red, Orange, Blue

Now, if we DataBind a RadComboBox to a historical record with Green as value, we get the "Selection Out of Range" errror.

What I am proposing is -- if we set the AppendIfSelectedValueMissing = True then 
databinding to a historical record with Green would have the following occur.

List from DB ---   Red, Orange, Blue
SelectedValue --    Green
AppendIfSelectedValueMissing
New List for Ctrl --  Red, Orange, Blue, Green

Thus, the error goes away, the historical data can stay the way it is and the lists can adjust their choices over time.

All good for everyone!!!

Thanks for your consideration. 
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