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3 answers
1.3K+ views
I am using some code pulled from one of the Kendo examples for connecting two ListBoxes (populating the first with an AJAX call, and then letting the user transfer some of the items to the second listbox.

 

I currently have this set with an "EditorFor" approach.

Everything works fine, except that my Model never gets the selected users.

In the Model, that field is: 

IEnumerable<UserModel> SelectedEmployees

 

No matter what I've tried, the selected employees never get sent back to the Model with the other bits.

If I use jQuery to dump the dataitems to the Console, I can see what users have been selected.  They just don't go back to my model.

 

Is this possible?  Am I way out to lunch?  Or just missing something?

 

@using WMGPipeline.Models
@model IEnumerable<UserModel>
 
<div>
  <input type='text' id='searchBox' class='k-textbox' placeholder='Search By Name' />
  <br />
 
  @(Html.Kendo().ListBox()
        .Name("employees")
        .Toolbar(toolbar => {
          toolbar.Position(Kendo.Mvc.UI.Fluent.ListBoxToolbarPosition.Right);
          toolbar.Tools(tools => tools
            .TransferTo()
            .TransferFrom()
            .TransferAllTo()
            .TransferAllFrom()
            .Remove()
            );
        })
        .ConnectWith("SelectedEmployees")
        .DataTextField("LastFirst")
        .DataValueField("UserID")
        .DataSource(source => {
          source.Custom()
          .ServerFiltering(true)
          .Type("aspnetmvc-ajax")
          .Transport(transport => {
            transport.Read("getEmployees", "Pipeline");
          })
          .Schema(schema => {
            schema.Data("Data").Total("Total");
          });
        })
  )
  @(Html.Kendo().ListBox()
        .Name("SelectedEmployees")
        .DataTextField("LastFirst")
        .DataValueField("UserID")       
        .BindTo(Model)
        .Selectable(ListBoxSelectable.Multiple)
  )
/div>
Viktor Tachev
Telerik team
 answered on 09 Nov 2018
4 answers
1.2K+ views

I have a number of Drop Downs on a page, each representing a separate asset with their own identifier.  The drop down options for each of these lists should be populated using an AJAX call to a service page that I have written which expects to be sent the identifier in the request.  Here is a stripped down version of the code: 

<script language="JavaScript">
 
$(document).ready(function() { 
 
$(".id_select").kendoDropDownList({
    dataTextField: "name",
    dataValueField: "my_id",
    dataSource: {
        transport: {
            read: {
                url: "service_page.cfm",
                data: {
                    identifier: ????
                }
            }
        }
    }
});
 
});
     
</script>
 
<html>
 
<input name="id_ABC" id="id_ABC" data-identifier="ABC" class="id_select"></input>
 
<input name="id_DEF" id="id_DEF" data-identifier="DEF" class="id_select"></input>
 
<input name="id_GHI" id="id_GHI" data-identifier="GHI" class="id_select"></input>
 
<input name="id_JKL" id="id_JKL" data-identifier="JKL" class="id_select"></input>
     
</html>

 

 

So what I want is when each input is instantiated as a KendoDropDownList for the DataSource's Read to be executed for each of the inputs with class "id_select" and sent the value of that input's particular "data-identifier" value (where I have put the ????'s in the example above).  However I don't see any way to reference the data for the particular input from within the inline DataSource.  

I have tried making the transport.read a function, using a parameterMap and anything else I could think of to throw at this.  I'm beginning to wonder whether this is possible at all. 

 

Thank you,

Matt

 

Eyup
Telerik team
 answered on 09 Nov 2018
6 answers
653 views

I have the following function which works perfectly in Chrome but not IE11.

 

kendo.drawing.drawDOM($(".pagePDF"), { forcePageBreak: ".page-break" })
        .then(function (group) {
            var PAGE_RECT = new kendo.geometry.Rect([0, 0], [mm(215.9 - 25), mm(279.4 - 25)]);
 
            var content = new kendo.drawing.Group();
            content.append(group);
 
            //kendo.drawing.align(content, PAGE_RECT);
            kendo.drawing.fit(content, PAGE_RECT);
            kendo.drawing.pdf.saveAs(group, $("#Nom").val() + ".pdf");
             
            return kendo.drawing.exportPDF(content, {
                paperSize: "Letter",
                margin: { left: "1cm", top: "1cm", right: "1cm", bottom: "1cm" },
                Landscape:true                   
            });
        })

 

It starts working in IE11 if I take out the forcePageBreak. If there are any properties, the "then" instruction is never executed. There is just nothing happening.

And, again, it is working fine in Chrome.

 

Can anybody help me with this problem?

Thanks in advance!

Erwin
Top achievements
Rank 1
 answered on 08 Nov 2018
5 answers
1.8K+ views

Hello Telerik,

I'm currently trying to get some columns in a KendoUI Grid to display a value OTHER than the value I want to pass in the "read" function to use in filtering the servery side query.  Right now all the other columns are using the actual displayed value to pass back to the filtering query on the backend.  So we're frequently using strings like "John Doe, Jane Doe" instead of a lstUserIDs "1,2" because we can't seem to get filtering functions to pass the id values instead of display values.  Here's a sample of the actual case in question.  I wasn't able to determine from the serverside demo in the docs how this might be accomplished, or even if it could.  

With the column configured as below, I end up with an error "VM8499:3 Uncaught ReferenceError: asset_class_nm is not defined".  Changing the inner field to "asset_class_nm" works, but then I again have a text list of the names instead of the list of internal bigint IDs that I'd like.  Thanks!

,{         
                    field: "asset_class_nm",
                    title: "Asset Class",
                    attributes: {
                        style: "text-align: left;"
                    },
                    filterable: {
                        dataSource: {
                                transport: {
                                    read: {
                                        url: "srv_get_asset_classes.cfm",
                                        dataType:"json",
                                        data: {
                                            field: "asset_class_id"
                                        }
                                    }
                                }
                        },
                        multi: true
                    }
                }
Alex Hajigeorgieva
Telerik team
 answered on 08 Nov 2018
1 answer
120 views

hello,

i'm trying to Integrate kendoDraggable with kendoSortable (inside ListView)

here is an example : https://dojo.telerik.com/iZOfuNoW

 

i want to drag a button and drop it inside Sortable ListView 

Tsvetina
Telerik team
 answered on 07 Nov 2018
1 answer
620 views

My dropdownlist is absolutely fine until if surround it with an MVC if statement. It then becomes invisible, while the text around it is visible.

Before Adding If

  <b>Central Hub</b>
         
  @(Html.Kendo().DropDownList()
      .Name("postcodeServiceExclusionsHubSelector")
      .HtmlAttributes(new { style = "width: 70px;" })
      .DataTextField("DepotNumber")
      .DataValueField("DepotID")
      .BindTo(Model.CentralHubs)
      .OptionLabel("Select...")
)

After Adding MVC If Statement

@if (Model.CanSelectCentralHub)
{
    @:<b>Central Hub</b>
    @:      
    Html.Kendo().DropDownList()
        .Name("postcodeServiceExclusionsHubSelector")
        .HtmlAttributes(new { style = "width: 70px;" })
        .DataTextField("DepotNumber")
        .DataValueField("DepotID")
        .BindTo(Model.CentralHubs)
        .OptionLabel("Select...");
     
    @:            
}

 

Dimitar
Telerik team
 answered on 07 Nov 2018
1 answer
207 views
I use  MultiColumnComboBox with MVVM  but I can't filter multi column. I tried filterFields and data-filterFields  attribute  but could not run . Source code is below. 
Thanks for your help

<input data-role="multicolumncombobox"
                   data-filter="contains"
                   data-filterFields= "[ProductName, ProductID]"
                   data-placeholder="Type a product e.g. 'Chai'"
                   data-text-field="ProductName"
                   data-value-field="ProductID"
                   data-columns="[
                   {field: 'ProductID', title: 'Urun Kodu'},
                   {field: 'ProductName', title: 'Urun Adı'}
                   ]"
                   data-bind="value: selectedProduct,
                              source: products
                              }"
                   style="width: 100%" />
Plamen
Telerik team
 answered on 06 Nov 2018
1 answer
214 views

I use  MultiColumnComboBox with MVVM  but I can't filter multi column. I tried filterFields and data-filterFields  attribute  but could not run . Source code is below. 

Thanks for your help

 

<input data-role="multicolumncombobox"
                   data-filter="contains"
                   data-filterFields= "[ProductName, ProductID]"
                   data-placeholder="Type a product e.g. 'Chai'"
                   data-text-field="ProductName"
                   data-value-field="ProductID"
                   data-columns="[
                   {field: 'ProductID', title: 'Urun Kodu'},
                   {field: 'ProductName', title: 'Urun Adı'}
                   ]"
                   data-bind="value: selectedProduct,
                              source: products
                              }"
                   style="width: 100%" />

Plamen
Telerik team
 answered on 06 Nov 2018
6 answers
373 views

Hi,

 

Is there any way that I can load the column settings of kendo grid using an XML. I will have the columns settings such as Column Name, width, visibility,order of display saved in a form of an XML some where in the configuration. User can manipulate the XML based on how he want to view the columns, so he has the complete command on which columns to display and in what order. There is always an option of reading the XML, form a Array of objects and assign it to "columns" property in the grid.

But is there any way that I can read that XML directly from a source and load or assign it to property so that my job gets easier?

 

Thanks,

Sag

Konstantin Dikov
Telerik team
 answered on 06 Nov 2018
3 answers
291 views

Hi!

I am attempting to add required validation to a text cell.

Here's a demo attempt: https://dojo.telerik.com/uPoZUgAy/3

I only succeed if I uncomment the function in the "from" property, otherwise it crashes. 

The fix I found is probably a hack-y approach, so I am opening this thread to find the recommended approach for my situation...

 

Thanks!

Marin Bratanov
Telerik team
 answered on 06 Nov 2018
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