如何利用Visual studio 2010创建一个ASP网站？
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UserLogin.aspx.cs" Inherits="UserLogin" %> <!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> <div align="center"> <h1>用户登录页面</h1> <form id="form1" runat="server"> <p> <asp:Label ID="lbusername" runat="server">用户名：</asp:Label> <asp:TextBox ID="tbusername" runat="server"></asp:TextBox> </p> <p> <asp:Label ID="lbpsw" runat="server">密 码：</asp:Label> <asp:TextBox ID="tbpsw" runat="server" TextMode="Password"></asp:TextBox> </p> <p><asp:Button ID="btnLogin" runat="server" Text="登录" onclick="btnLogin_Click" /> <asp:Button ID="btnCancel" runat="server" Text="取消" onclick="btnCancel_Click" /> </p> </form> </div> </body> </html>
/// <summary>
/// 用户登录
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnLogin_Click(object sender, EventArgs e)
{
if (tbusername.Text == "")
{
Response.Write(@"<script>alert(‘用户名不能为空！‘);</script>");
}
if (tbpsw.Text == "")
{
Response.Write(@"<script>alert(‘密码不能为空！‘);</script>");
}
string username = tbusername.Text;
string password = tbpsw.Text;
string sql = "select * from T_user where [email protected] and [email protected]";
SqlParameter[] parameters = { new SqlParameter("@username",username), new SqlParameter("@password", password) };
using (SqlConnection conn = new SqlConnection(connstr))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Parameters.AddRange(parameters);
DataSet ds = new DataSet();
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
adapter.Fill(ds);
DataTable table = ds.Tables[0];
if(table != null)
Response.Write(@"<script>alert(‘登录成功！‘);</script>");
else
Response.Write(@"<script>alert(‘登录失败！‘);</script>");
}
}
}
/// <summary> /// 用户注册 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void brnRegister_Click(object sender, EventArgs e) { string username = tbusername.Text; string password = tbpsw.Text; string sql = "Insert into T_user(username, password) values(@username,@password)"; SqlParameter[] parameters = { new SqlParameter("@username", username), new SqlParameter("@password", password) }; using (SqlConnection conn = new SqlConnection(connstr)) { conn.Open(); using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText = sql; cmd.Parameters.AddRange(parameters); cmd.ExecuteNonQuery(); } } Response.Write(@"<script>alert(‘注册成功！‘);</script>"); }
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