asp.net 3.5 - Dynamic value in dropdownlist onchange call -

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in following code snippet i'm trying set setprice argument dynamically.

xhtml:

<asp:dropdownlist id="cctype"                    runat="server"                    onchange="setprice('<%# eval("setpriceval") %>')"                    tabindex="16"> </asp:dropdownlist>

code behind:

dim setpriceval literal = ctype(findcontrol("setpriceval"),literal) setpriceval.text = "0"

i error saying server tag not formed.

have gone wrong way or there syntax error can't see?

i believe it's:

<asp:dropdownlist id="cctype"                    runat="server"                    onchange='<%# setprice(eval("setpriceval"))%>'                    tabindex="16"> </asp:dropdownlist>

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