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HtmlButton btn = new HtmlButton();
btn.ID = "myBtn";
if(Page.FindControl("myBtn")==null)
{
//
HtmlButton btn = new HtmlButton();
btn.ID = "myBtn";
this.form1.Controls.Add(btn);//加入
}
else
{
HtmlButton btn = (HtmlButton)Page.FindControl("myBtn");//寻找
btn.Text = "test";
}
btn != null