黑桃_K

摘要： 方法一：private void Page_Load(object sender, System.EventArgs e){ViewState["submittimes"]=Convert.ToInt32(ViewState["submittimes"])+1;if(!Page.IsPostBack){ViewState["submittimes"]=1;}}页面：<INPUT type="button" value="Button" onclick='history.go(-&l 阅读全文