frmadduser.cs

企业短信群发系统

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

namespace SMS.Forms
{
    public partial class frmAddUser : Form
    {
        private static frmAddUser adduser;//声明一个私有变量，用来保存唯一的窗体实例
        public frmAddUser()
        {
            InitializeComponent();
        }
　　　　
        //提供静态方法，创建类的实例
        public static frmAddUser Instance()
        {
            if (adduser == null)
                adduser = new frmAddUser();
            return adduser;
        }
        private void frmAddUser_FormClosing(object sender, FormClosingEventArgs e)
        {
            adduser.Dispose(true);
            adduser = null;
        }

        private void pbSubmit_Click(object sender, EventArgs e)
        {
            if (txtName.Text == "" || cbbSex.Text == "")
            {
                MessageBox.Show("请您输入用户名和性别！", "提示");
            }
            else
            {
                if (txtNum.Text.Length < 11)
                {
                    MessageBox.Show("电话号码不能少于11位！", "提示");
                }
                else
                {
                    OleDbConnection conn = BaseClass.ConnClass.DataConn();//连接数据库
                    conn.Open();
                    OleDbCommand cmd = new OleDbCommand("insert into tb_tel([UserName],[UserSex],[UserTel]) values('" + txtName.Text +"','"+ cbbSex.SelectedItem.ToString() + "','" + txtNum.Text + "')",conn);
                    cmd.ExecuteNonQuery();//执行SQL语句
                    MessageBox.Show("增加联系人成功！","提示");
                    txtName.Text = "";
                    txtNum.Text  = "";
                    conn.Close();
                }
            }
        }

        private void pbConcel_Click(object sender, EventArgs e)
        {
            adduser.Dispose(true);
            adduser = null;
            this.Close();
        }

        private void txtNum_KeyPress(object sender, KeyPressEventArgs e)
        {
            if ((e.KeyChar != 8 && !char.IsDigit(e.KeyChar)) && e.KeyChar != 13)//判断用户是否输入的是数字
            {
                MessageBox.Show("手机号码为阿拉伯数字！","提示");
                e.Handled = true;
            }
        }
    }
}