Add this in Page_Load:
ImageButton1.Attributes.Add("onmouseover","this.src='2.gif'");
ImageButton1.Attributes.Add("onmouseout","this.src='1.gif'");
ImageButton1.Attributes.Add("onmouseover","this.src='2.gif'");
ImageButton1.Attributes.Add("onmouseout","this.src='1.gif'");
解决方案 »
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