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How to avoid page refresh after button click event in asp.net/vb.net

In the following code when I click on my Clear_Button my OnClick event refreshes my page and I don't want that to happen. How can I prevent this from happening?

<dx:ASPxButton ID="Clear_Button" runat="server" AutoPostBack="false" CssClass="bordered-orange roundCorners toRight toMiddle" Text="Clear" Width="18%" Theme="Metropolis">
</dx:ASPxButton>

My Event :

Protected Sub Clear_Button_Click(sender As Object, e As EventArgs)

    Author.Items.Clear()

End Sub

Thank you in advance for your answers

Solution

  • thank you for your answers !

    I managed to make it work thanks to the <asp:updatepanel> element which allows not to refresh the page