<%@ Page Language="C#" AutoEventWireup="True" %>
<Script language="C#" runat="server">
void Page_Load(Object Sender,EventArgs e){
if (!IsPostBack){ //判断是否为第一次页面调入
Label_1.Text="Good!";
}
else{
Label_1.Text="Bad";
}
}
void ButtonClick(Object Sender,EventArgs e){
Label_2.Text="Button is click!";
}
</Script>
<asp:label ID="Label_1" runat="server"></asp:label>
<form id="Form_1" runat="server">
<asp:button ID="Button_1" Text="Button" OnClick="ButtonClick" runat="server"/>
</form>
<asp:label ID="Label_2" runat="server"></asp:label>