香港黑道高飞:谁有c#登陆窗口源代码

我晕
就那末几句代码
你自己不会写啊!!!
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msn vbqin@hotmail.com

private void LinkButton1_Click(object sender, System.EventArgs e)
{
d.DBOpen();
string s="select u_id,u_name,u_rights from users where u_name=@LOGUSER and u_pwd=@LOGPWD";
System.Data.OleDb.OleDbCommand comm = new System.Data.OleDb.OleDbCommand(s,d.con);
//设置@LOGUSER参数
comm.Parameters.Add("@LOGUSER",System.Data.OleDb.OleDbType.VarChar);
comm.Parameters["@LOGUSER"].Value = this.user.Text;
//设置@LOGPWD参数
comm.Parameters.Add("@LOGPWD",System.Data.OleDb.OleDbType.VarChar);
comm.Parameters["@LOGPWD"].Value =m.Encrypt(pwd.Text,1);

OleDbDataReader dr=comm.ExecuteReader();
if(dr.Read())
{
Session["id"]=dr["u_id"].ToString();
Session["user"]=dr["u_name"].ToString();
Session["rights"]=dr["u_rights"].ToString();
dr.Close();
s="update users set u_last='" + DateTime.Now + "',u_times=u_times+1 where u_id="+Convert.ToInt32(Session["id"]);
d.ExecuteNon(s);
if(Int32.Parse(Session["rights"].ToString())<2)
{
Response.Redirect("common_user.aspx");
}
else
{
Response.Redirect("admin_hindex.aspx");
}

}
else
{
dr.Close();
Response.Write("<script>alert('用户名或密码错误！');</script>");
}
d.DBClose();

}