reg.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;

using xmlOp;    //引入XmlOp类的命名空间

public partial class Reg : System.Web.UI.Page
{
    string xmlFile = ConfigurationManager.AppSettings["xmlFile"];   //读出配置文件的Xml文件路径
    Logic lg = new Logic();  //创建Logic类对象  

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            XmlOp op = new XmlOp(xmlFile);  //创建XmlOp类对象
            if (op.NodeCount("//Root") == 0) //如果一个同学成员都没有，则取消姓名验证
                this.CustomValidator1.Enabled = false;
        }
    }

    //提交注册信息
    protected void btnReg_Click(object sender, EventArgs e)
    {       
        if (IsValid)    //如果通过所有验证
        {
            string _name = txtUserName.Text.Trim();
            string _nickName = txtNickName.Text.Trim();
            string _pwd = txtUserPwd.Text.Trim();
            string _sex = rbtnMan.Checked ? rbtnMan.Text : rbtnWoman.Text;  //判断性别
            string _birthday = txtBirthday.Text.Trim();
            string _email = txtEmail.Text.Trim();
            string _qq = txtQQ.Text.Trim();
            string _msn = txtMsn.Text.Trim();
            string _Tel = txtTel.Text.Trim();
            string _address = txtAddress.Text.Trim();
            string _work = txtWork.Text.Trim();
            string _homepage = txtHomePage.Text.Trim();
            string _photo = "";
            string _time = DateTime.Now.ToString();

            //上传图片
            string _file = this.FileUpload1.FileName.ToString().ToLower();
            if (_file != "")
            {
                string _fileType = this.FileUpload1.PostedFile.ContentType;
                if (_fileType.Substring(0, 5) == "image")   //判断是否图片文件
                {
                    _photo = "images/" + _name + _file.Substring(_file.LastIndexOf("."));
                    this.FileUpload1.SaveAs(Server.MapPath(_photo)); //保存图片
                }
                else
                {
                    lg.Msg("图片格式不对!");
                    return; //终止执行
                }
            }
            //节点数组
            string[] stu ={"Name", "NickName", "Pwd", "Sex", "Birthday", "Email",
                "QQ", "Msn", "Tel", "Homepage", "Address", "Work", "Photo","Time" };
            //节点值数组
            string[] stuInfo ={_name, _nickName, _pwd, _sex, _birthday, _email, 
                _qq, _msn, _Tel, _homepage, _address, _work, _photo,_time };

            XmlOp op = new XmlOp(xmlFile);
            //调用Xml操作类的InsertNode方法，插入新的同学成员记录
            if (op.InsertNode("//Root", "Student", stu, stuInfo))
            {
                op.InsertAttrib("//Root/Student[Name='"+ _name +"']","Admin","no");
                op.Save(xmlFile);   //保存Xml文档
                lg.Msg("恭喜,成功已注册!");
                ClearTextBox(); //清空所有文本框
            }
        }
    }

    //验证名字是否存在
    protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
    {
        string _name = args.Value;  //取得要验证的文本框值
        XmlOp op = new XmlOp(xmlFile);
        if (op.SelectNode("//Root/Student", 0, _name))  //判断是否存在
            args.IsValid = false;
        else
            args.IsValid = true;
    }

    //重写按钮事件
    protected void btnReset_Click(object sender, EventArgs e)
    {
        ClearTextBox(); //调用清空文本框函数
    }

    //清空文本框
    private void ClearTextBox()
    {
        this.txtAddress.Text = "";
        this.txtBirthday.Text = "";
        this.txtEmail.Text = "";
        this.txtTel.Text = "";
        this.txtHomePage.Text = "";
        this.txtMsn.Text = "";
        this.txtNickName.Text = "";
        this.txtQQ.Text = "";
        this.txtUserName.Text = "";
        this.txtUserPwd.Text = "";
        this.txtUserPwd2.Text = "";
        this.txtWork.Text = "";
    }
}