YG-OPP-WCS-Client/WCS_Client/Frm/FrmLogin.cs

using DevComponents.DotNetBar;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using WCS_Client.UC;
using WCS_Client.Utility;

namespace WCS_Client
{
    public partial class FrmLogin : Office2007Form
    {
        public FrmLogin()
        {
            InitializeComponent();
        }
        int err = 0;
        private void btn_Login_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtbox_UserName.Text.Trim()))
            {
                MessageUtil.ShowWarning("请输入用户名!!!");
                txtbox_UserName.Focus();
                return;
            }
            if (string.IsNullOrEmpty(this.txtbox_Pwd.Text.Trim()))
            {
                MessageUtil.ShowWarning("请输入密码!!!");
                txtbox_Pwd.Focus();
                return;
            }
            try
            {
                string error = string.Empty;
                if (BaseWorkflow.Login(txtbox_UserName.Text.Trim(), txtbox_Pwd.Text.Trim(), out error))
                {
                    this.DialogResult = DialogResult.OK;
                }
                else
                {
                    throw new Exception(error);
                }
            }
            catch (Exception ex)
            {
                err++;
                if (err < 5)
                {
                    MessageUtil.ShowWarning(string.Format("登录次数{0}/5,{1}", err, ex.Message));
                    txtbox_UserName.Focus();
                    return;
                }
                else
                {
                    this.Close();
                    return;
                }
            }
        }

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

        private void txtbox_Pwd_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                btn_Login_Click(null, null);
            }
        }

        private void txtbox_UserName_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                this.txtbox_Pwd.SelectAll();
                txtbox_Pwd.Focus();
            }
        }
    }
}