读书人

小弟我真的不明白为什么会这样?小弟我

发布时间: 2012-01-05 22:36:54 作者: rapoo

我真的不明白为什么会这样?我已经设置EnableViewState="false"
一个非常简单的程序:两个label,一个button.按button会加1。 我已经设置EnableViewState= "false " 而且用trace 查看control tree 下hidden 的大小一个为20,一个为0。但每个label的text显示的值都会加1。真的不明白。请大家指点一下!


代码如下:是在webSite 下运行
<%@ Page Language= "C# " Trace= "true "%>

<!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 btnAdd_Click(object sender, EventArgs e)

{

lblCounter.Text = (Int32.Parse(lblCounter.Text) + 1).ToString();
lable2.Text = (Int32.Parse(lblCounter.Text) + 1).ToString();

}

</script>

<html xmlns= "http://www.w3.org/1999/xhtml " >

<head id= "Head1 " runat= "server ">

<title> Show View State </title>

</head>

<body>

<form id= "form1 " runat= "server ">

<div>



<asp:Button

id= "btnAdd "

Text= "Add "

OnClick= "btnAdd_Click "

Runat= "server " />

<asp:Label ID= "lable2 " EnableViewState= "false " runat= "server " > </asp:Label>

<asp:Label

id= "lblCounter "

Text= "0 "

Runat= "server " />



</div>

</form>

</body>

</html>



[解决办法]
lblCounter.Text = (Int32.Parse(lblCounter.Text) + 1).ToString();
lable2.Text = (Int32.Parse(lblCounter.Text) + 1).ToString();
页面的Lable控件你都赋值了啊

读书人网 >asp.net

热点推荐