Hello Chatra,
Thank you for the test project. I noticed that you are trying to initialize the second MultiSelect widget at a moment when the agMultiselectfilter element is not present in the DOM. The only place where you can initialize the widget is in the dataBound event of the popup grid. I modified your project, to show you how to accomplish this.
With regards to your second question, I noticed that you are compering a string value with an array (value of the multiselect). This always will be false. You can modify the used code like this:
I will suggest you check the
value method documentation.
The modified test project is attached.
Regards,
Georgi Krustev
Telerik
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