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DataSet ds = B_FileINfo.GetList("");
if (ds != null && ds.Tables[0] != null && ds.Tables[0].Rows.Count > 0)
{
this.ClientScript.RegisterClientScriptBlock(Page.GetType(), "ok()", " confirm('已经添加项目,是否继续添加?');", true);
if(此处如何写)//选择“确定”
{
}
else
{
}
}