I had a combo and grid on page.
Combo has two values: value 1 with 372 items and value 2 with 21 items.
grid has paging enabled with pagesize 20 and serveroperation false.

Now when i select value 1 in combo then all 372 items are displayed in grid and then i go to 6th page of grids paging at this time in grids paging it is shown "101 - 120 items of 372 items"and then if i select value 2 in combo then no items are displayed in grid but paging shows "101 - 21 of 21 items" because it is yet on page 6 but this time there is no page 6 and in controller the request shows page 1. This is a bug.

Regards,

Allow multiple header lines in the grid - eg two header lines first line contains four columns the next eight. The first col provides a visual grouping to the second header

For these tools to create ID's for all actionable items and allow them to be named(Telerik's Default)or by the developer as the developer creates them.

Take a look at DevExpress DXperience...

you can able to change background image in kendo ui slider.

Enable the user to show the icon in a different place than the default. like the right of the text and not juts to its left.

Today, the only way to change the date in kendoDatePicker is to show the calendar and select another date, but in scenarios where i want to allow my user to move one day at a time as defaule, a left arrow and rigt arrow will be great.
same thing holds for the kendoNumericTextBox, althogh he has the up/dowun arrows, they are relitevly small and a Plus and Minus icons to the right and left of the widget will be easier for a fingure to tuch.

Big SPA projects need to have an architecture for the code, some structure. Current examples for SPA are suitable for small apps, so some docs/examples/guidelines for bigger projects would be useful.

We would like to write a UI using Kendo UI Mobile and be able to still use it with mouse scrolling on desktop browsers like Firefox / IE etc.

This was also asked about here: http://www.kendoui.com/forums/mobile/general-discussions/mouse-wheel-scrolling-in-desktop-browser.aspx

In addition to basic Line and Area chart types, it would be great to add support for the Step Line and Step Area chart type.
Examples: 
http://www.infragistics.com/products/jquery/sample/chart/style-chart-with-themes (switch Series Type to Step Line and Step Area)
or http://www.highcharts.com/stock/demo/step-line

Native mobile controls can show small clear icon which is shown only when something is typed in the input control (see address bar or search bar in iOS). Some sites (e.g. google.com) also implement this behavior.
Please add this behavior to Kendo input controls. For example, it can be activated by data-clearable attribute or something like this.

Ability to have a hidden menu that slides in or pops in much like the other apps and frameworks have.

Allow parameters to be passed to Actionsheet callback functions.  I have a need for a varying number of Actionsheet actions based on data-driven settings.  I can dynamically populate the Actionsheet with jscript, but each action has to call a different callback function.  What I'd rather do is have each action call the same callback function and just pass an ID of the selected option to that function.  For example, I am using the ActionSheet to present the user with a list of places they can route the current record.  I don't need a different function for each place they can route it - just the ID of their selection.

Currently templates are only supported when the DropDownList is in an open state.  Ideally, the DropDownList should have the ability to display a template when in a closed (selected) state as well.

A common use case is to display icons next to the dataTextField.  However in it's current state, when an item is selected the icon is no longer able to be displayed.

In window widget I create links and buttons. On pc system it's work correct. But on mobile devices (just like iPad or Nexus 7), these click events is so hard to touch. Other click events outside the window widget is easy to click(the same links or the same buttons).

Allow pinch to zoom images to start zoomed out.  The "pinch to zoom" feature demonstrated at  http://demos.kendoui.com/mobile/view/zoomable.html is useless for most practical applications.  Go to the camera app on your phone and look at photos you took - they start zoomed out and then you can zoom in on them if desired.  If you had to zoom each one out to look at it, that would be incredibly obnoxious.

Add support for drawing box plots (aka box-and-hiskers).  Include capability to display outliers.

When the grid is refreshed with grid.refresh(), regrouping and resorting is not done automatically; as a result, any updates to the underlying dataItems that affect sorting or grouping are not reflected in the grid. That level of control should be available to the developer. Therefore, I would like to suggest that the grid.refresh() method accept an optional configuration object:

var options
 = { resort: true|false (default), regroup : true|false (default)}
grid.refresh( options )

In this way, if the grid is groupede by [department] for example, and the [department] of certain rows is changed programmatically via dataItem["department"] = somethingDifferent, when the grid.refresh ({regroup: true}) method is invoked with the optional argument, the grid would be regrouped, reflecting those changes to the rows' dataItems.

This bug is visible in your demo at http://demos.kendoui.com/web/grid/editing.html.

When using a scrollable, editable grid in IE (9 or below):
•	Scroll down so that the first row of the grid is no longer visible.
•	Click on any row.
•	The grid jumps back up to the original "unscrolled" position. (In your demo, on my screen, this means that only the first 10 rows are visible.)
The result is that I am unable to edit any row outside the first 10, unless I use the keyboard to navigate.
This does not occur in Firefox, Chrome, Opera, or Safari - only in IE.