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C#入门经典第4版 19章web编程基础 19.1~19.5代码(1)——default.aspx default.aspx ...

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//Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> </div> <table style="width:100%;"> <tr> <td> <asp:Label ID="Label1" runat="server" Text="Event"></asp:Label> </td> <td> <asp:DropDownList ID="DropDownListEvents" runat="server" onselectedindexchanged="DropDownList1_SelectedIndexChanged"> <asp:ListItem>SQL Server 2005</asp:ListItem> <asp:ListItem>Office 2007</asp:ListItem> <asp:ListItem>Introduction to ASP.NET</asp:ListItem> </asp:DropDownList> </td> </tr> <tr> <td> <asp:Label ID="firstName" runat="server" Text="Firstname"></asp:Label> </td> <td> <asp:TextBox ID="textFirstname" runat="server" ontextchanged="TextBox1_TextChanged"></asp:TextBox> </td> </tr> <tr> <td> <asp:Label ID="lastName" runat="server" Text="Lastname"></asp:Label> </td> <td> <asp:TextBox ID="textLastname" runat="server"></asp:TextBox> </td> </tr> <tr> <td> <asp:Label ID="email" runat="server" Text="Email"></asp:Label> </td> <td> <asp:TextBox ID="textEmail" runat="server"></asp:TextBox> </td> </tr> <tr> <td> <asp:Button ID="Button1" runat="server" Text="Submit" onclick="Button1_Click" PostBackUrl="~/ResultsPage.aspx" /> </td> <td> <asp:Label ID="labelResult" runat="server" Text="Label"></asp:Label> </td> </tr> </table> </form> </body> </html>
//Default.aspx.cs
using
System; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { string selectedEvent = DropDownListEvents.SelectedValue; string firstName = textFirstname.Text; string lastName = textLastname.Text; string email = textEmail.Text; labelResult.Text = string.Format("{0} {1} selected the event {2}", firstName, lastName, selectedEvent); } public RegistrationInformation RegistrationInformation { get { RegistrationInformation ri = new RegistrationInformation(); ri.firstName = textFirstname.Text; ri.lastName = textLastname.Text; ri.email = textEmail.Text; ri.selectedEvent = DropDownListEvents.SelectedValue; return ri; } } protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { } protected void TextBox1_TextChanged(object sender, EventArgs e) { } }

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