kendo ui - changing Datasource of Kendoui Multiselect at runtime -


i bind data kendoui multiselect @ runtime. example suppose want bind cascade of drobdownlist. idea?

<p>     <label for="categories">catergories:</label>      @(html.kendo().dropdownlist()         .name("categories")         .htmlattributes(new { style = "width:300px" })         .optionlabel("select category...")         .datatextfield("categoryname")         .datavaluefield("categoryid")         .datasource(source =>         {             source.read(read =>             {                 read.action("getcascadecategories", "coreparam");             });         })         .events(e =>e.select("select"))     )  </p> <p>     <label for="parameters">parameters:</label>      @(html.kendo().multiselect()         .name("parameters")         .htmlattributes(new { style = "width:400px" })         .datatextfield("paramdesc")         .datavaluefield("paramcode")         .placeholder("select products...")         .datasource(source =>         {             source.read(read =>             {                 read.action("getcascadeparams", "coreparam")                     .data("filterparams");             })             .serverfiltering(true);         })         .autobind(false)     )  </p>  <script type="text/javascript">      function filterparams() {         return {             categories: $("#categories").val()         };     }      function select(e) {         var dropdownlist = $("#categories").data("kendodropdownlist");         dropdownlist.select(e.item.index());         var multiselect = $("#parameters").data("kendomultiselect");         multiselect.datasource.read();     }; </script>

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