我在asp.net C#中工作。我已经创建了登录页面,我在其中使用验证来检查用户名或密码是否为空。布每次我点击这里注册链接它显示我输入用户名或密码。我附上代码和图片请帮助。此外,我已经使用链接按钮在这里注册链接。 enter image description here在此处注册链接按钮不起作用?
这里是login.aspx.cs文件代码。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;
namespace Dots
{
public partial class Login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_ClickLogin(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Conn"].ConnectionString);
conn.Open();
string checkUser = "Select count(*) from Registeration where UserName = @username and Password = @pass";
SqlCommand sq = new SqlCommand(checkUser, conn);
sq.Parameters.AddWithValue("@username", TextBoxUserName.Text);
sq.Parameters.AddWithValue("@pass", TextBoxPassword.Text);
SqlDataAdapter da = new SqlDataAdapter(sq);
DataTable dt = new DataTable();
da.Fill(dt);
if (dt.Rows.Count > 0)
{
Response.Redirect("default.aspx");
}
else
{
ClientScript.RegisterStartupScript(Page.GetType(), "validation", "<script language='javascript'>alert('Invalid Username and Password')</script>");
}
conn.Close();
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
Response.Redirect("Registeration.aspx");
}
}
}
这是我的aspx代码。
<%@ Page Title="" Language="C#" MasterPageFile="~/Site1.Master" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="Dots.Login" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<link rel ="stylesheet" type="text/css" href="~/Styles/StyleSheet1.css" />
<br /><br />
<center>
<div class="Login">
<br />
<div class="Login_Form">
<h1>Secure Login</h1>
<div class="Table">
<table style="width: 100%; height: 161px;">
<tr>
<td style="font-size: medium; width: 127px"><strong style="text-align: right">UserName</strong></td>
<td style="width: 176px">
<asp:TextBox ID="TextBoxUserName" runat="server" Width="180px" CssClass="Login_un" Height="22px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="Please enter Username" ControlToValidate="TextBoxUserName" ForeColor="Red"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td style="width: 127px"><strong>Password</strong></td>
<td style="width: 176px">
<asp:TextBox ID="TextBoxPassword" runat="server" Width="180px" CssClass="Login_un" TextMode="Password" Height="22px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="Please enter Password" ControlToValidate="TextBoxPassword" ForeColor="Red"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td style="width: 127px"> </td>
<td style="width: 176px">
<asp:Button ID="Button1" runat="server" OnClick="Button1_ClickLogin" CssClass="Login_btn" Text="Button" />
</td>
<td> </td>
</tr>
<tr>
<td style="width: 127px; height: 23px;"></td>
<td style="width: 176px; height: 23px;">
<asp:LinkButton ID="LinkButton1" runat="server" OnClick="LinkButton1_Click">New User? Register Here</asp:LinkButton>
</td>
<td style="height: 23px"></td>
</tr>
</table>
</div>
</div>
</div>
</center>
</asp:Content>
也许你需要添加APSX标记。 – Steve
分享你的'.aspx'代码。 –
我已添加.aspx代码 – smartF