C# (CSharp) WindowsFormsApp1 登录界面 Examples

Example #1

File: 主页.cs Project: Yubowenn/WindowsFormsApp1

        private void button3_Click(object sender, EventArgs e)
        {
            登录界面 fm = new 登录界面();

            fm.Show();
            this.Hide();
        }

Example #2

File: 用户界面.cs Project: CarlTuring/Login-Csharp-realize

        private void button1_Click(object sender, EventArgs e)
        {
            登录界面 next = new 登录界面();

            next.Show();
            this.Hide();
        }

Example #3

File: 注册界面.cs Project: CarlTuring/Login-Csharp-realize

        private void button1_Click(object sender, EventArgs e)
        {
            String sqlConn = "server=localhost;port=3306;user=root;password=123456;database=login"; //定义连接字符串,Charset=utf8使可以填充中文字符不出现乱码

            con = new MySqlConnection(sqlConn);                                                     //
            con.Open();
            cmd.CommandText = string.Format("INSERT INTO login.log(userName,userPassword) values('{0}','{1}');", this.textBox1.Text, this.textBox2.Text);
            cmd.Connection  = con;
            if (cmd.ExecuteNonQuery() > 0)
            {
                MessageBox.Show("注册成功");
                登录界面 next = new 登录界面();
                next.Show();
                this.Hide();
            }
            else
            {
                MessageBox.Show("注册失败");
                登录界面 next = new 登录界面();
                next.Show();
                this.Hide();
            }
        }