Please let me apologize for this inconvenience. The documentation was been developed alongside the product for the Q2 release and due to the deadlines our team had there was no time to prepare the VB.NET code snippets as our old documentation had. However I can assure you that for the upcoming Q3 release, this will be addressed by our team and there will be VB.NET version for each and every code piece you have seen in our help.
All the best,
the Telerik team
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