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ImageButton With Mouse Event Handlers Considered Not Well Formed

Samuel Fernandes 1781 26-Aug-2014

ASP.NET says that the following ImageButton server tag is not well formed:

<asp:TableCell VerticalAlign="Top">
    <asp:ImageButton runat="server" ID="imgAdd" src="Images/add_plus_1.gif"
        onmouseout="this.src='Images/add_plus_1.gif'"
        onmouseover="this.src='Images/add_plus_2.gif'"
        onmousedown"this.src='Images/add_plus_3.gif'"
        CauseValidation="false" style="cursor: pointer"
        OnClientClick="Javascript:SL_AddBuilding()" />
</asp:TableCell>

I think all the mouse event attributes are legit, so I don't know what it's complaining about.

asp.net asp.net 
Updated on 26-Aug-2014
Samuel Fernandes

Samuel Fernandes

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1 Answers

Sumit Kesarwani

Sumit Kesarwani

26-Aug-2014
Hi samuel, 
try this:
<asp:ImageButton runat="server"ID="imgAdd" src="Images/add_plus_1.gif"
    onmouseout="this.src='Images/add_plus_1.gif'"
   
onmouseover="this.src='Images/add_plus_2.gif'"
   
onmousedown="this.src='Images/add_plus_3.gif'"
   
CauseValidation="false" style="cursor: pointer"
   
OnClientClick="Javascript:SL_AddBuilding()" />

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