asp.net - asp buttonimage alternate text not visible -

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i've problem asp:image , asp:imagebutton alternate text: it's not visible when move mouse on image. declared object in way:

<asp:imagebutton id="buttonstatus"  imageurl='<%# iif(eval("active")=1,"../images/folders/actived.png","../images/folders/deactivate.png")%>' commandname="changestatus" commandargument='<%# eval("id_repository") %>' oncommand="foldercommand"  enabled = '<% #iif(mysecurity.admin=1, "true", "false") %>' width="24px" alternatetext="change status" runat="server" />

and asp:image

<asp:hyperlink runat="server" id="url_groups" navigateurl="~/action/group_manager.aspx?action=2">                                                      <asp:image id="img_groups" runat="server" imageurl="~/images/folders/group_config.png" alternatetext="group manager"     enableviewstate="false" imagealign="middle" width="32px" cssclass="navigation" /> </asp:hyperlink>

could me? tried search on web wasn't able find post or suggestion fix problem

thanks, andrea

i think you're mixing alt attribute title attribute. alt shown when user doesn't accept images , screen readers whereas title attribute shown tool tip when hover image.


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