Response.write()提示跳转有关问题

Response.write()提示跳转问题
加了断点调试后台也运行Response.Write()这句话。可是运行的时候前台页面没有出现提示信息，直接跳转到softwareupgrade.aspx页面。为什么啊。我要是把Response.Redirect("softwareupgrade.aspx");这句话注释掉就会出现提示。为什么啊？

C# code

private void IBSoftwareUpgrade_Click(object sender, System.Web.UI.ImageClickEventArgs e)        {            string sql="select * from softwareupgrade where sid='"+this.txtsid.Text+"'";            SqlConnection conn=new SqlConnection("uid=sa;pwd=sa;database=softwaremanage;server=.");            conn.Open();            SqlCommand cmd=new SqlCommand(sql,conn);            SqlDataReader reader=cmd.ExecuteReader();            if(reader.Read())            {                Response.Redirect("softwareupgradesearch.aspx");            }            else            {                Response.Write("<script language=javascript >confirm('此软件没有升级记录,是否添加?');</script>");                //this.IBSoftwareUpgrade.Attributes.Add("onclick","javascript:return confirm ('此软件没有升级记录，是否添加?')");                Response.Redirect("softwareupgrade.aspx");            }            reader.Close();            conn.Close();        }

[解决办法]
Response.Write("<script language=javascript >confirm('此软件没有升级记录,是否添加?');</script>");
//this.IBSoftwareUpgrade.Attributes.Add("onclick","javascript:return confirm ('此软件没有升级记录，是否添加?')");
Response.Redirect("softwareupgrade.aspx");


=========>

Response.Write("<script>if(confirm('此软件没有升级记录,是否添加')){window.location.href='softwareupgrade.aspx';}
[解决办法]
Response.Write和Response.Redirect一起用的时候就会这样，
你可以只用response.write("<script language=javascript >confirm('此软件没有升级记录,是否添加?');window.location.href='softwareupgrade.aspx'</script>");来实现
[解决办法]
Response.Redirect("softwareupgrade.aspx");
======
有这句就直接过去了.

跳转可以用客户端跳转

JScript code

window.location.href='softwareupgrade.aspx' 

 

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