/**//// <summary>
/// 服务器端弹出confirm对话框
/// </summary>
/// <param name="str_Message">提示信息,例子："您是否确认删除!"</param>
/// <param name="btn">隐藏Botton按钮Id值,比如：btn_Flow</param>
/// <param name="page">Page类</param>
public void Confirm ( string str_Message,string btn,Page page )
{
	page.RegisterStartupScript ( "","<script> if (confirm('"+str_Message+"')==true){document.forms(0)."+btn+".click();}</script>" );
}