dynamicweb4-4webform1.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="dynamicweb4_4.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>    <title></title></head><body>    <form id="form1" runat="server">    <div>        <h3>个人信息</h3>        <table border="1">            <tr>                <td>入学年份：</td>                <td>                    <asp:DropDownList ID="ddlYear" runat="server"></asp:DropDownList>                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Button ID="btnSubmit" runat="server" Text="确定" OnClick="btnSubmit_Click" />                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Label ID="lblTips" runat="server" Text=""></asp:Label>                </td>            </tr>        </table>    </div>    </form></body></html>
webform1.aspx.cs
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using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
namespace dynamicweb4_4{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e){            if (!IsPostBack)            {                for (int i = 1980; i <= DateTime.Now.Year; i++)                {                    ddlYear.Items.Add(i.ToString());                }            }        }
        protected void btnSubmit_Click(object sender, EventArgs e){            lblTips.Text = "";
            if (ddlYear.SelectedIndex >= 0)            {                lblTips.Text += "入学年份：" + ddlYear.SelectedItem.Text + "<br>";            }
        }    }}
dynacmicweb4-5webform1.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="dynamicweb4_5.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>    <title></title></head><body>    <form id="form1" runat="server">    <div>        <h3>个人信息</h3>        <table border="1">            <tr>                <td>头像：</td>                <td>                    <asp:DropDownList ID="ddlHeadImg" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlHeadImg_SelectedIndexChanged">                        <asp:ListItem Value="1.png">企鹅</asp:ListItem>                        <asp:ListItem Value="2.jpg">大头狗</asp:ListItem>                    </asp:DropDownList>                    <asp:Image ID="imgHead" runat="server" ImageUrl="~/Images/1.png" Width="40" Height="40" />                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Button ID="btnSubmit" runat="server" Text="确定" OnClick="btnSubmit_Click" />                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Label ID="lblTips" runat="server" Text=""></asp:Label>                </td>            </tr>        </table>    </div>    </form></body></html>
webform1.aspx.cs
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using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
namespace dynamicweb4_5{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e){
        }
        protected void btnSubmit_Click(object sender, EventArgs e){
        }
        protected void ddlHeadImg_SelectedIndexChanged(object sender, EventArgs e){            this.imgHead.ImageUrl = "~/Images/" + ddlHeadImg.SelectedValue;                          }    }}
dynamicweb4-6webform1.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="dynamicweb4_6.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>    <title></title></head><body>    <form id="form1" runat="server">    <div>        <h3>个人信息</h3>        <table border="1" style="text-align:center;">            <tr>                <td>用户名：</td>                <td>                    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>                </td>            </tr>            <tr>                <td>密码：</td>                <td>                    <asp:TextBox ID="TextBox2" runat="server" TextMode="Password"></asp:TextBox>                </td>            </tr>            <tr>                <td>再次输入密码：</td>                <td>                    <asp:TextBox ID="TextBox3" runat="server" TextMode="Password"></asp:TextBox>                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Button ID="Button1" runat="server" Text="注册" OnClick="Button1_Click" />                </td>            </tr>            <tr>                <td colspan="2">                    <asp:Label ID="lblTips" runat="server" Text=""></asp:Label><br />                    <asp:HyperLink ID="hlnkPI" runat="server" NavigateUrl="~/WebForm2.aspx" Visible="false">完善个人信息</asp:HyperLink>                </td>            </tr>        </table>    </div>    </form></body></html>
webform1.aspx.cs
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using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
namespace dynamicweb4_6{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e){
        }
        protected void Button1_Click(object sender, EventArgs e){            if (String.IsNullOrEmpty(TextBox1.Text))            {                lblTips.Text = "请输入用户名";                lblTips.ForeColor = System.Drawing.Color.Red;                TextBox1.Focus();            }            else if(String.IsNullOrEmpty(TextBox2.Text))            {                lblTips.Text = "请输入密码";                lblTips.ForeColor = System.Drawing.Color.Red;                TextBox2.Focus();            }            else if(String.IsNullOrEmpty(TextBox3.Text))            {                lblTips.Text = "请输入再次密码";                lblTips.ForeColor = System.Drawing.Color.Red;                TextBox3.Focus();            }            else if(TextBox2.Text != TextBox3.Text)            {                lblTips.Text = "两次输入密码不一致";                lblTips.ForeColor = System.Drawing.Color.Red;                TextBox2.Focus();            }            else            {                lblTips.Text = "注册成功！";                hlnkPI.Visible = true;            }        }    }}
webform2.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="dynamicweb4_6.WebForm2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>    <title></title></head><body>    <form id="form1" runat="server">    <div>        <h3>完善个人信息</h3>    </div>    </form></body></html>

asp.net动态web开发(005)_用户名