asp.net后台等待几秒执行程序或者跳转页面
下面是几种Asp.net后台cs中,几种让页面等待几秒或一定时间后,再执行下一步操作的方法:
1、Response对象跳出转向
代码:Response.Write( " <meta http-equiv= 'refresh ' content= '3;url=b.aspx '> ");
2、通过Thread方法
代码:System.Threading.Thread.Sleep(3000);
注:这种方法便捷,但不是很科学,它是使系统休眠一定时间
3、跳转函数
代码:ClientScript.RegisterClientScriptBlock(GetType(), "", "<script>alert(\'登录成功!\');setTimeout(function(){location.href='b.aspx'},3000); </script>");
4、js函数
代码:
protected void Button1_Click(object sender, EventArgs e) { form1.InnerHtml = "系统将在 3 秒后转向 "; body.Attributes.Add("onload", "setTimeout('window.location=\"b.aspx\"',3000)"); }
下面是一个实例:(拷贝,可直接运行)
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e) { Page.ClientScript.RegisterStartupScript(Page.GetType(), "s", "t()", true); } </script>
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title>
<script> var tt = 3; function t() { if (tt < 1) { window.location = "b.aspx" return; }; document.getElementById("<%=form1.ClientID %>").innerHTML = "操作完成,页面将在 " + tt + " 后转向"; tt--; window.setTimeout("t()", 1000); } </script>
</head> <body> <form id="form1" runat="server"> <div> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="点击测试" /> </div> </form> </body> </html>
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