Aspx Tab Countrol : Click To Button The Next Tab Problem

 
I user dxprience 9.2.2 aspx (C#) page on my site by clicking the switch off the base countrol I've added the button I want to switch to the next tab page, please help!
Protected Sub ASPxButton1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ASPxButton1.Click ASPxPageControl1_ActiveTabChanged(PreviousPage) End Sub


 
 
 
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