pwdclewform.cs

通讯录 采用xmlC#做的 很不错的啊

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace 通讯录
{
    public partial class pwdClewForm : Form
    {
        private DataSet myDataSet;
        public pwdClewForm(DataSet ds)
        {
            InitializeComponent();
            myDataSet = ds;
        }

        private void btnGetPwd_Click(object sender, EventArgs e)
        {
            string username=txtUsername.Text.Trim();
            string pwdClew=txtPwdClew.Text.Trim();
            if (username=="")
            {
                lblValidate.Text = "用户名不能为空";
                lblValidate.Visible = true;
            }
            foreach (DataRow row in myDataSet.Tables[0].Rows)
            {
                if (row["用户名"].ToString() == username && row["密码提示"].ToString() == pwdClew)
                {
                    groupBox1.Visible = false;
                    groupBox2.Visible = true;
                    lblUsername.Text = row["用户名"].ToString();
                    lblPassword.Text = row["用户密码"].ToString();
                    lblPwdClew.Text = row["密码提示"].ToString();
                }
                else
                {
                    lblValidate.Text = "密码提示不正确";
                }
            }
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void txtUsername_KeyDown(object sender, KeyEventArgs e)
        {
            lblValidate.Visible = false;
        }
    }
}