I tried many methods, still I failed to get the working.
<kendo-datasource ref="jobtitleData"
:schema-data="'data'"
:transport-read-url="jobTitleService">
</kendo-datasource>
<kendo-dropdownlist ref="jobtitleList"
:data-source-ref="jobtitleData"
:data-text-field="'name'"
:data-value-field="'id'">
</kendo-dropdownlist>
<kendo-datasource ref="jobLevelData"
:schema-data="'data'"
:serverFiltering='true'
:transport-read-url="jobLevelService">
</kendo-datasource>
<kendo-dropdownlist ref="jobLevelList"
:data-source-ref="'jobLevelData'"
:data-text-field="'name'"
:data-value-field="'id'"
:placeholder="'Select Job Level'"
:cascadeFrom="'jobtitleList'"
:autoBind='false'>
</kendo-dropdownlist>