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How to Cascade DropDownListFor to other DropDownListFor?

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128199 Jan 7,2017 12:50 PM UTC Jan 9,2017 09:23 AM UTC ASP.NET MVC 1
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Tags: DropDownList
John
Asked On January 7, 2017 12:50 PM UTC

Hi everybody!

When I'm trying cascade DDLF to another DDLF, I get "Uncaught ejDropDownList: methods/properties can be accessed only after plugin creation"

Prince Oliver [Syncfusion]
Replied On January 9, 2017 09:23 AM UTC

Hi John,   
  
Thanks for contacting Syncfusion Support.   
  
We were unable to reproduce the console error, "Uncaught ejDropDownList: methods/properties can be accessed only after plugin creation" at our end. We have prepared a sample for cascading two DropDownListFor controls. Have a look at the below code snippet.   
  
View Code:   
<div class="col-xs-8 col-sm-4">   
            <span class="txt">Select Group</span>   
            @Html.EJ().DropDownListFor(model => model.auto1, (Syncfusion.JavaScript.Models.DropDownListProperties)ViewData["ddl"]).CascadeTo("Name").ClientSideEvents(e => e.Change("onChange")).WatermarkText("Select")   
        </div>   
        <div class="col-xs-8 col-sm-4">   
            <span class="txt">Select Country</span>   
            @Html.EJ().DropDownListFor(model => model.Name, (Syncfusion.JavaScript.Models.DropDownListProperties)ViewData["ddl1"]).Enabled(false)   
        </div>   
<script type="text/javascript">   
        function onChange() {   
            var ctry = $('#Name').data("ejDropDownList");   
            ctry.element.val("");   
        }   
    </script>   
  
  
Controller Code:   
public ActionResult DropdownlistFeatures()   
        {   
            DropDownListProperties ddl = new DropDownListProperties();   
            ddl.DataSource = GetDataSource();   
            DropDownListFields ddf = new DropDownListFields();   
            ddf.Text = "text";   
            ddf.Value = "parentId";   
            ddl.DropDownListFields = ddf;   
            ViewData["ddl"] = ddl;   
               
            DropDownListProperties ddl1 = new DropDownListProperties();   
            ddl1.DataSource = GetDataSource1();   
            DropDownListFields ddf1 = new DropDownListFields();   
            ddf1.Text = "text";   
            ddf1.Value = "value";   
            ddl1.DropDownListFields = ddf1;   
            ViewData["ddl1"] = ddl1;   
   
            return View();   
        }   
  
  
We have attached the sample for your convenience, refer to the following sample link:http://www.syncfusion.com/downloads/support/forum/128199/ze/DropdownlistForCascade746551743   
  
If the issue still persists, please provide an issue reproducing sample along with the replication steps. It will help us to isolate the root cause and provide a solution.   
  
Regards,   
Prince   


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