form2.cs

订阅报刊的企业员工用户希望通过企业的系统更方便、快捷地订阅报刊

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

using 报刊管理.类;     //添加引用
using System.Data.SqlClient;


namespace 报刊管理
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        SqlBaseClass SqlClass = new SqlBaseClass();  //声明数据库操作类的对象
        WinOperationClass WinFormClass = new WinOperationClass();//声明对窗体操作的类对象
     

        private void ClearControls()
        {
            this.textBox1.Text = "";
            this.textBox2.Text = "";
            this.textBox3.Text = "";
            this.textBox4.Text = "";
            this.textBox5.Text = "";
            this.textBox6.Text = "";
            this.textBox7.Text = "";
            this.textBox8.Text = "";
          
        }



        private void button1_Click(object sender, EventArgs e)
        {
            if (this.textBox1.Text.Length == 0)
            {
                MessageBox.Show("用户名不能为空！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else
            {
                string cmd = "SELECT UserID FROM N_User WHERE UserID = '" + this.textBox1.Text + "' ";
                SqlDataReader de = SqlClass.GetReader(cmd);
                de.Read();
                if (de.HasRows)
                {
                    MessageBox.Show("该用户已存在，请重新输入！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                de.Close();
            }
            if (this.textBox2.Text.Length < 6)
            {
                MessageBox.Show("密码不能小于6位！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            if (this.textBox2.Text!=this.textBox8.Text)
            {
                MessageBox.Show("密码输入不同，请重新输入！", "提示框", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            if (this.textBox5.Text.Length == 0)
            {
                MessageBox.Show("部门名不能为空！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            if (!WinFormClass.validateEmail(textBox6.Text.Trim()))
            {
                MessageBox.Show("E-mail地址输入格式不正确！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else
            {
                string P_cmdtxt = "SELECT * FROM N_Dept WHERE DeptName = '" + this.textBox5.Text + "'";
                SqlDataReader dk = SqlClass.GetReader(P_cmdtxt);
                dk.Read();
                string deptID = dk["DeptID"].ToString();
                dk.Close();
                string Str_sqlcmd = "INSERT INTO N_User VALUES( '" + this.textBox1.Text + "','" + this.textBox2.Text + "','" + this.textBox3.Text + "','" + this.textBox4.Text + "'";
                Str_sqlcmd += ",'" + this.textBox6.Text + "','" + this.textBox7.Text + "','" + deptID + "','用户')";
                if (SqlClass.GetExecute(Str_sqlcmd))
                {
                    MessageBox.Show("注册成功！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    Form1 login = new Form1();
                    this.Hide();
                    login.Show();
                }
                else
                {
                    MessageBox.Show("注册失败,请重新注册！", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            ClearControls();
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {
            Form f1 = new Form1();
            this.Hide();
            f1.Show();
        }



    }
}