Get Error, Too Many Characters In Character Literal?

Jan 3, 2010

I have a javascript to enable text boxes when called, I want to trigger this code when a user picks value "Custom" from a dropdownlist, so that I can display/Hide these new textboxes.

<asp:DropDownList ID="DateRangeDropDownList" runat="server" Enabled="False" **OnSelectedIndexChanged="EnableTextBoxes('SomeValue');"**>
<asp:ListItem>Some Value</asp:ListItem>
<asp:ListItem>Custom</asp:ListItem>
</asp:DropDownList>

but when I run this code I get Too many characters in character literal

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Stack: (Source: MSSQLServer, Error number: 241)

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