联接Sql server

2012-11-07

连接Sql server后台代码：using Systemusing System.Collections.Genericusing System.Linqusing System

连接Sql server
后台代码：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;
public partial class Login : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {
    }    protected void btnLogin_Click(object sender, EventArgs e)    {        string connstr = "Data Source=GFWMJ3FJ7JLJJBR;Initial Catalog=ZT_DB.MDF;Persist Security Info=True;User ID=sa;Password=111111";        using (SqlConnection conn = new SqlConnection(connstr))        {            conn.Open();            using (SqlCommand cmd = conn.CreateCommand())            {                cmd.CommandText = "Select * from person where person_name=@u";                cmd.Parameters.Add(new SqlParameter("u",txtUserName.Text));                SqlDataReader reader = cmd.ExecuteReader();                if (reader.Read())                {                    if (reader.GetString(reader.GetOrdinal("pwd")) == txtPassword.Text)                    {                        Response.Redirect("Page1.aspx");                    }                    else                    {                        Label1.Text = "密码不正确";                    }                }                else                {                    Label1.Text = "用户名不存在!";                }                        }        }    }}
login.aspx:<%@ Page Language="C#" CodeFile="Login.aspx.cs" Inherits="Login" %>
<!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></title></head><body>    <form id="form1" runat="server">    <div>       <table>                     <tr>            <td></td>            <td>用户名:</td>            <td></td>            <td>                <asp:TextBox ID="txtUserName" runat="server"></asp:TextBox></td>           </tr>
           <tr>            <td></td>            <td>密 码:</td>            <td></td>            <td>                <asp:TextBox ID="txtPassword" runat="server" TextMode="Password"></asp:TextBox></td>           </tr>
             <tr>            <td></td>            <td> <asp:Button ID="btnLogin" runat="server" Text="登录" onclick="btnLogin_Click" /></td>            <td></td>            <td><asp:Button ID="btnClear" runat="server" Text="注册" /></td>            <td>                <asp:Label ID="Label1" runat="server" Text=""></asp:Label></td>           </tr>
       </table>        </div>    </form></body></html>

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联接Sql server