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2 answers
248 views
Hi,
My json rest service omits fields when the values is null and looks like GRID can't handle such datasources.

Number is not null
{
{
    "id":"0422842A222780",
    "number":"0422842A222780"
  }
Number is null
{
    "id":"0422842A222780"
  }
model:{
    id:"id",
    fields:{
        id:{type:"string", editable:false},
        number:{type:"string", editable:false, nullable:true},
    }
}
As a result I see empty grid. When I remove this field from displaying all works fine Is there any solution?
Yaroslav
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 answered on 18 Apr 2012
1 answer
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I am wondering if telerik is planning on developing any kind of abrstraction layer for accessing indexed db architecture.

Quite annoyingly the W3C has killed WebSQL and indexed db is such a new standard that every browser that does support it (currently only 2 that I am aware of Chrom and FireFox) have there own way of managing the db and from what I am seeing IE 10- will have alltogetehr a different way to manage its indexed db implimentation.

This has long been a sore spot for me with open source development that standards are often not only times implimented accross differently accross platforms, but from version to version you can have entire subsets of functionality be cycled out (especially on new and rapidly evolving items like indexed db..  It make building stable applications that utilize these technologies exceedingly difficult.


I have not only a desire but a genuine need to see data storage for certain application fucntions occur on the client side but I cant do that without some kind of stability in the evolving landscape of the applications platform. I DEFINATELY dont desire to develope three seperate constantly shifting approaches to implimenting a client side data storage solution.  Does Teelrik have any plans to impliment some kind of client side data storage abstraction layer that woudl allow you to utilize client side storage like indexed db with its controls sets?

Georgi Krustev
Telerik team
 answered on 18 Apr 2012
1 answer
116 views
I am getting the following error when binding:

SCRIPT5007: Unable to get value of the property 'length': object is null or undefined
kendo.custom.min.js, line 12 character 1304



When I call this line:
kendo.bind($("#content"), viewModel);

Any ideas?
Petyo
Telerik team
 answered on 18 Apr 2012
1 answer
125 views
Hey there,

While working on a CRUD demo using OpenAccess as Odata producer and KendoUI I'm facing with an issue with the command columns when virtual scrolling is enabled.
Virtual scrolling is working as expected in Firefox without the command columns: http://openaccess.spirit.de/.

Once the comand columns are enabled http://openaccess.spirit.de/?ReadWrite=1 it's no longer possible to use the scroll bar. 

My guess is that the larger row height is causing this, but I haven't found time yet to dig deeper into it.

Thanks,

Rainer
Rosen
Telerik team
 answered on 18 Apr 2012
0 answers
110 views
Hi There,

Is there a way to use the mobile icons/images outside of a button (or with a tab strip, or listview etc.), so for example to display the search icon alone in a div using something like:

<div data-role="icon" data-icon="search"></div>

I'm trying to use the search icon, next to a search input tag for searches in my prototype.

Thanks,
Rob
Robert
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 asked on 18 Apr 2012
9 answers
498 views
Dear Community,

We are evaluating KendoUI for our needs and here is one of the problem we have stuck on.

Problem Statement

We are trying to achieve almost similar to what is shown in demo http://demos.kendoui.com/web/grid/editing-custom.html.

Here is what we are doing.

We have a data source to fill the combo-box which will appear within the grid. It is basically a list of cities.
var cityDataSource = [{ CityID: 1, CityName: 'Delhi' }, { CityID: 2, CityName: 'Noida'}]

We also have main data source which contains lot more columns. Here you will observe that we have CityID as one of the fields.
var viewModel = kendo.observable({
            gridSource: [
                            { FirstName: "Shiva", LastName: "Wahi", CityID: 2, Title: "Module Lead", BirthDate: "10/29/1984", Age: 27 },
                            { FirstName: "Priya", LastName: "Srivastava", CityID: 1, Title: "Tech Lead", BirthDate: "08/19/1982", Age: 30 }
                        ]
        });

In document.Ready function, we are preparing our data source (Please note CityName in fields section).
$(document).ready(function () {
            var dataSource = new kendo.data.DataSource({
                pageSize: 30,
                data: viewModel.gridSource,
                autoSync: true,
                schema: {
                    model: {
                        fields: {
                            FirstName: { type: "string" },
                            LastName: { type: "string" },
                            CityName: "CityName",
                            Title: { type: "string" },
                            BirthDate: { type: "date" },
                            Age: { type: "number" }
                        }
                    }
                }
            });

There is a div tag on page called grid.
<div id="grid" />

Creating grid (Please note editor:cityDropDownEditor):
$("#grid").kendoGrid({
                dataSource: dataSource,
                pageable: true,
                editable: true,
                height: 260,
                toolbar: ["create"],
                columns: [
                            {
                                field: "FirstName",
                                title: "First Name",
                                width: 100
                            },
                            {
                                field: "LastName",
                                title: "Last Name",
                                width: 100
                            },
                            {
                                field: "CityName",
                                title: "City",
                                width: 100,
                                editor: cityDropDownEditor
                            },
                            {
                                field: "Title",
                                width: 75
                            },
                            {
                                field: "BirthDate",
                                title: "Birth Date",
                                width: 75,
                                template: '#= kendo.toString(BirthDate,"MM/dd/yyyy") #'
                            },
                            {
                                field: "Age",
                                width: 50
                            }
                         ]
            });
        });

Here is the cityDropDownEditor function:
function cityDropDownEditor(container, options) {
           $('<input data-text-field="CityName" data-value-field="CityName" data-bind="value:' + options.field + '"/>')
                       .appendTo(container)
                       .kendoDropDownList({
                           autoBind: false,
                           dataSource: cityDataSource
                       });
                   }


What do we want?

We want that when we click on the City column of the grid, dropdown should open up and when user changes the selection, it must reflect on the UI and as well as on my observable collection called viewModel.

But this is not happening at present. Our scenario is bit different from what is available in demo as there they are using CategoryName to bind both value and text fields of combo-box.

Please help as this is an urgent request and let me know if you need more details around this.

Regards,
Shiva




Shiva
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Rank 1
 answered on 18 Apr 2012
3 answers
223 views
I read describe about transition on your document about page transition. I want to transition some page only content (header not transition and no footer) from top to bottom, I used data-transition="overlay:down" but when is action looks same slide down. 

Do you have example for explain how to different with 2 transitions?
Petyo
Telerik team
 answered on 18 Apr 2012
0 answers
174 views
I am a new KendoUI/Jquery/Javascript developer and I am having the following issue. 
The ajax call is working ($.ajax(GetAirportList)), so I know the webservice is ok.
When the airportListDataSource is invoked, no data is loaded and the Javascript console (in Chrome) is 
giving me the message "Uncaught RangeError: Maximum call stack size exceeded"

Please help!
 
var airportList = {};

        var GetAirportList = {
            type: "POST",
            url: "OWLV2be.asmx/GetAirportList",
            data: "{}",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function (msg) {
                airportList = msg;
            }
        };

        var airportListDataSource = new kendo.data.DataSource({
            transport: {
                read: {
                    type: "POST",
                    url: "OWLV2be.asmx/GetAirportList",
                    contentType: "application/json; charset=utf-8",
                    dataType: "json"
                }
            }
        });

        $(document).ready(function () {
            $.ajax(GetAirportList);

            $("#airpAirport").kendoDropDownList( {
                dataTextField: "airportName",
                dataValueField: "airportCode",
                dataSource:  airportListDataSource
            });
George
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 asked on 18 Apr 2012
1 answer
228 views
Dear team, I´m very interested in acquiring kendoui and I have some doubts regarding its already developed potential. I was wondering if its possible to create a listview with data filtering options in the way pages like http://www.ebay.com/sch/9355/i.html works. I mean if you select brand, or price slider the information change on the fly...
brgds! thank you
s.
Sebastian
Top achievements
Rank 1
 answered on 18 Apr 2012
1 answer
149 views
i have a WCF service and i configure it on jsonp

My Model is MoviesItem

    [DataContract]
    public class MoviesItem
    {
        [DataMember]
        public int MovieID { get; set; }
        [DataMember]
        public string MovieTitle { get; set; }
        [DataMember]
        public DateTime MovieReleseDate { get; set; }
    }


my Service Contract is IMovieService

    [ServiceContract]
    public interface IMoviesService
    {
        [WebGet( BodyStyle = WebMessageBodyStyle.Bare ,RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        [OperationContract]
        IEnumerable<MoviesItem> GetMovies();
    
        [WebInvoke(Method = "POST",BodyStyle = WebMessageBodyStyle.Bare, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
        [OperationContract]
        void AddMovies(MoviesItem movies);
    
    }


and my service is called MoviesService

    [AspNetCompatibilityRequirements(RequirementsMode =
        AspNetCompatibilityRequirementsMode.Allowed)]
    public class MoviesService : IMoviesService
    {
    
        public IEnumerable<MoviesItem> GetMovies()
        {
            using (var context = new MovieCollectionDataContext())
            {
                return context.Movies.Select(e => new MoviesItem()
                {
                    MovieID = e.ID,
                    MovieTitle = e.Title,
                    MovieReleseDate = e.ReleaseDate
    
                }).Take(100).ToList();
            }
        }
    
    
        public void AddMovies(MoviesItem movies)
        {
            using (var context = new MovieCollectionDataContext())
            {
    
                var movie = new Movie()
                {
                    Title = movies.MovieTitle,
                    ReleaseDate = DateTime.Now
                };
                context.Movies.InsertOnSubmit(movie);
                context.SubmitChanges();
    
                //return context.Movies.Select(e => new MoviesItem()
                //{
                //    MovieID = e.ID,
                //    MovieTitle = e.Title,
                //    MovieReleseDate = e.ReleaseDate
    
                //}).Take(100).ToList();
    
            }
        }
    }


My Web.config file is:

    <?xml version="1.0"?>
    <configuration>
      <connectionStrings>
        <add name="moviereviewsConnectionString" connectionString="Data Source=Haseeb-PC;Initial Catalog=moviereviews;Integrated Security=True"
          providerName="System.Data.SqlClient" />
      </connectionStrings>
      <system.web>
        <compilation debug="false" targetFramework="4.0">
          <assemblies>
            <add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
          </assemblies>
        </compilation>
      </system.web>
      <system.serviceModel>
        <bindings>
          <webHttpBinding>
            <binding name="WebHttpBindingWithJsonP" crossDomainScriptAccessEnabled="true"/>
          </webHttpBinding>
        </bindings>
        <behaviors>
          <endpointBehaviors>
            <behavior name="webHttpBehavior">
              <webHttp helpEnabled="true"/>
            </behavior>
          </endpointBehaviors>
          <serviceBehaviors>
            <behavior>
              <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
              <serviceMetadata httpGetEnabled="true"/>
              <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
              <serviceDebug includeExceptionDetailInFaults="false"/>
            </behavior>
          </serviceBehaviors>
        </behaviors>
        <serviceHostingEnvironment multipleSiteBindingsEnabled="true"/>
        <services>
          <service  name="MoviesService">
            <endpoint address="" behaviorConfiguration="webHttpBehavior"
                      binding="webHttpBinding" bindingConfiguration="WebHttpBindingWithJsonP" contract="IMoviesService"/>
          </service>
        </services>
      </system.serviceModel>
      <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
      </system.webServer>
    </configuration>


nad at last My javascript code code which is used to bind Kendo Grid

    $(function () {
        BindGridWithKendoDataSource();
    });

    function BindGridWithKendoDataSource() {
        var dataSource1 = new kendo.data.DataSource(
            {
                transport:
                    {
                        read:
                            {
                                url: "MoviesService.svc/GetMovies",
                                dataType: "jsonp",
                                //contentType:"application/javascript",
                                type: "GET"
    
    
                            },
                        create:
                            {
                                url: "MoviesService.svc/AddMovies",
                                dataType: "jsonp",
                                contentType: "application/javascript",
                                type: "POST"
                            }
                    },
                parameterMap: function (data, operation) {
                    if (operation !== "read") {
                        return JSON.stringify({ movies: data.models });
                    }
                },
                batch: true,
                pageSize: 10,
                schema:
                    {
                        //data: "d",
                        model:
                            {
                                id: "MovieID",
                                fields:
                                    {
                                        MovieID: { editable: false, nullable: true },
                                        MovieTitle: { validation: { required: true} }
                                        // MovieReleaseDate: {type:"date", editable: true, validation: { required: true} }
                                    }
                            }
                    }
            });
        $("#MoviesGridView").kendoGrid(
            {
                dataSource: dataSource1,
                pageable: true,
                sortable: true,
                filterable: true,
                scrollable: true,
                height: 400,
                toolbar: ["create", "save", "cancel"],
                editable: "popup",
                columns:
                   [
                       { field: "MovieTitle", title: "Movie Title" },
                //{ field: "MovieReleaseDate", title: "Release Date" },
                       {command: ["edit", "destroy"], title: "&nbsp;", width: "210px" }
                       ]
    
            });
    }



my kendo grid is successfully bind from the data return from WCF  in jsonp format but when i click try to innsert the record in the database using Kendo grid i always get error that is:

    "NetworkError: 400 Bad Request - http://localhost:2382/KendoUiTest/MoviesService.svc/AddMovies?callback=jQuery17102623996303075524_1334611809600"


please some one help me to solve this issue that how can i insert the record using WCF. where i am doing wrong i am not able to understand.

Haseeb
Top achievements
Rank 1
 answered on 17 Apr 2012
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