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3 answers
753 views

Hi,

Is it possible to fix the scheduler toolbar so when we scroll down it remains in view?

 

 

Alon
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 answered on 30 Dec 2016
2 answers
334 views
I have a grid with the first three columns frozen by default, the grid needs to use virtual scrolling because of the large dataset. When I select a row and then scroll, the horizontal scroll bar loses it's position and resets to the left (completely defeating the reason of using frozen columns). Is this a known bug? Is there some workaround ?
Dimiter Topalov
Telerik team
 answered on 30 Dec 2016
2 answers
115 views

I have two issues with the following 100% stacked area chart:

http://jsbin.com/dofuxudome/1/edit?js,output

1) How can I sort the data source so that second sort field is used?

2) How can I color the areas using the colorField?

Morten
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Iron
Iron
 answered on 30 Dec 2016
5 answers
1.5K+ views

Hi~

I tried to save Grid data in Json format and send it back to controller to combine new query result, then return

back to Grid together.

My controller could get Json result from javascript as string, but the controller return format require .ToDataSourceResult

However, when I return string.ToDataSourceResult, it shows error.

How could I fix this?

public ActionResult ChemicalTestResult_Read([DataSourceRequest] DataSourceRequest request, string param1, string displayedDataAsJSON)
{
    try
    {
        if (param1 != null && param1 != "")
        {
            var TestId = param1.Split(',').Reverse().ToList();
            return Json(db.LIMS_Chemical_TestResult.Where(o => param1.Contains(o.TestId) && (o.Result_1 == null || o.Result_2 == null || o.Result_3 == null) && (o.isPermitted == "不合格" || o.isPermitted == null)).ToDataSourceResult(request));                   
        }
        else
        {
            return stringdisplayedDataAsJSON.ToDataSourceResult(request);
        }
    }
    catch (Exception ex)
    {
        logger.Error(ex, "ChemicalTestResultController");
        return new JavaScriptResult { Script = "alert('" + ex.ToString() + "');" };
    }
}
var displayedData = $("#grid").data().kendoGrid.dataSource.view()
var displayedDataAsJSON = JSON.stringify(displayedData);

Alexander Popov
Telerik team
 answered on 30 Dec 2016
5 answers
572 views

I need the element start and end time and the target resource after dragging it to a new position.

Your examaple: http://demos.telerik.com/kendo-ui/scheduler/restriction works quite well, but only if using the "moveEnd" event handler .

It seems that when registering kendoDropTargetArea, its "drop" event handler overwrites the "moveEnd" event handler of the scheduler.

The problem is that the object "e" as recieved by the drop doesnt have start, end and resources.

example:

scheduler.view().content.kendoDropTargetArea({

        filter: ".k-scheduler-table td, .k-event",
        drop: function(e){

           // get start, end and resource

        }
});

$("#scheduler").kendoScheduler({

..

        moveEnd: function(e){

            // never gets here

        }

});

 

 

 

Venelin
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 answered on 30 Dec 2016
1 answer
96 views

Hello, 

I am loading a large list with checkboxes, some of the nodes have several subnodes checked and the data is peristed in a database.

I am using on demand loading with ajax json calls.

I can set the checkbox to true or false, but is there a way to set it to indetermined?

Veselin Tsvetanov
Telerik team
 answered on 30 Dec 2016
2 answers
851 views

Hello, I am struggling with a weird error while canceling a newly inserted row in a grid. Please help.

Below is a simplifed version of my code (http://jsfiddle.net/m2s59mpo/5/)

var myGrid = $("#my-table-grid").kendoGrid({
  toolbar: [ {
                    name: "create",
                    text: "Create"
                } ],
  editable: { mode: "inline", confirmation: false },
 
  columns: [
    { field: "name" },
    { field: "age" },
    { command: [{ name: "edit"}] }
  ],
  dataSource: {
    //data: [],
    data: {"a": []},   
    schema: {
      data: "a",
      model: { id: "id",
          fields: {
             id: {type: "number"},
             name: {type : "string"},
             age: {type: "number"},
          }}
    }
  },
});

 

Steps to reproduce:

1. Click the "Create" button to insert a new row.

2. Fill in any data and click "Update" to save the row.

3. Click the "Create" button to insert a second row.

4. Click "Cancel" button right away without filling in any data in the second row.

Sympton:

The second row will NOT be canceled. Error message "Uncaught TypeError: Cannot read property 'uid' of undefined" is shown in the console.

 

This issue will not occur for the first row added (You can cancel the first row). Also, if I do not specify the data field in the dataSource section (http://jsfiddle.net/m2s59mpo/6/), it works fine too. In my real case, the data comes from a API call with structured JSON data so this is not an option for me.

 

I wonder if I misconfigured something or this is a bug. Please help. Thanks a lot in advance.

Rak
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Rank 1
 answered on 30 Dec 2016
3 answers
406 views

Hello 

Telerik, please correct me if I'm wrong in any case.

I want to simply exchange one menu item by another one. A simple use case is a state change like "Show Tooltips" and "Hide Tooltips". For this scenario I saw two possibilites:

1. Replace menu text visa versa
2. Add new menu element after existing element and then remove first element

Replace menu text visa versa
This approach took me a while. With JQuery its a singe line, assuming you are using JQuery. Switching menu text only will visually screw up your menu element. This will happen because you remove also a class that was initially set on the element by defining the menu. So therefore you need to add the class again as well: 

$('#hidetip').html('<span class="k-link">Tooltips anzeigen</span>');

 

-> Pretty simple, you just need to know it.

Hint: Use an additional attribute on the menu element like "state" (hidden, visible) to check/set its current state

 

Add new menu element after existing element and then remove first element

There is a menu function available called insertAfter that is obvious to use in this case. The main problem here is that you can't attach an ID or classes that way. I tried this:

var mainmenu = $("#mainmenu").data("kendoMenu");
mainmenu.insertAfter(
        {id: "showtip", text: "Show tooltips"},
        "#hidetip"
);

-> Text was attached but not the ID.

Another one I tried after finding this forum entry: See here

var mainmenu = $("#mainmenu").data("kendoMenu");
mainmenu.insertAfter(
        {text: "<li id='showtip'>Show tooltips</li>",
            encoded: false}, // to interpret text as HTML not as pure text
        "#hidetip"
);

-> Text of element will be screwed up again inside menu. My initial thought was to add the class again:

{text: "<li id='showtip'><span class='k-link'>Show tooltips</span></li>",
    encoded: false},

-> Text inside menu is still screwed up and a further (empty) line was added after "Show tooltip" item (with the span class). Maybe I did something wrong here, just dunno what. I can live with the first solution.

 

 

Tayger
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Iron
Iron
 answered on 29 Dec 2016
1 answer
138 views

We have an app based on the Kendo UI Mobile framework. It makes heavy use of widgets like the kendoMobileView, kendoMobileLayout, etc, all wrapped in a kendoMobileApplication.  Is there a recommended path to upgrade this stack to support the move to Angular 2? I'm most concerned with the app state management and the ability of making headers and footers sticky and persistent between views by using a layout. Burke Holland's article seems to suggest moving over to Bootstrap but it's been difficult to find definitive answers. 

Dimiter Topalov
Telerik team
 answered on 29 Dec 2016
1 answer
74 views

I have found out a bug/typo in Kendo 2016.1.226 - in a few places, the variable "toConnector" is misspelled as "toConenctor" (note - one "n" is to the right of the "e").  

 

The type can be found in kendo.dataviz.min.js, kendo.dataviz.diagram.min.js etc. I'm not sure if it causes any noticeable bugs, but I couldn't find info confirming it was fixed.  

Regards, 
Itai. 

Vessy
Telerik team
 answered on 28 Dec 2016
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