1 將body標籤加上runat="server",並加上id (譬如:id="myBody")
2 於程式碼中的page_load 中,寫下如下程式碼
Dim mybody As HtmlControl = CType(Me.FindControl("myBody"), HtmlControl)
mybody.Attributes.Add("oncopy", "return false")
mybody.Attributes.Add("oncut", "return false")
mybody.Attributes.Add("onselectstart", "return false")
mybody.Attributes.Add("oncontextmenu", "return false")
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