[英]ImageButton With Mouse Event Handlers Considered Not Well Formed
ASP.NET says that the following ImageButton server tag is not well formed: ASP.NET表示以下ImageButton服务器标记的格式不正确:
<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. 我认为所有鼠标事件属性都是合法的,因此我不知道它在抱怨什么。
If you copied it verbatim from your code you are missing an equal sign: 如果您从代码中逐字复制了它,则会丢失等号:
onmousedown"this.src='Images/add_plus_3.gif'" onmousedown“ this.src ='Images / add_plus_3.gif'”
<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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