public main(login my_login) { InitializeComponent(); this.mylogin = my_login; xuehao = mylogin.getxuehao(); SqlConnection conn1 = new SqlConnection(); conn1.ConnectionString = @"Server = localhost;Database=CLASSTEST;integrated security=true"; conn1.Open(); string strSqlq1 = "select * from student where 学号 = '" + xuehao + "'"; SqlCommand cmd1 = new SqlCommand(strSqlq1, conn1); SqlDataReader dr1 = cmd1.ExecuteReader(); if (dr1.Read()) { xingming.Text = dr1["姓名"].ToString(); } }
private void button1_Click(object sender, EventArgs e) { SqlConnection conn = new SqlConnection(); conn.ConnectionString = ConfigurationManager.ConnectionStrings["connstr"].ConnectionString; conn.Open(); string user = textBox1.Text; string pass = textBox2.Text; string sql = "insert into dbo.customer(username,password) values(" + user + "," + pass + ")"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.ExecuteNonQuery(); conn.Close(); this.Hide(); login log = new login(); log.Show(); }
private void button1_Click(object sender, EventArgs e) { if (userName_textBox.Text == "" || userName_textBox.Text == null) { MessageBox.Show("נא הקלד שם משתמש"); } if (password_textBox.Text == "" || password_textBox.Text == null) { MessageBox.Show("נא הקלד סיסמא"); } else { try { _username = userName_textBox.Text; _password = password_textBox.Text; login now = new login(_username, _password); if (now.ans == 1) { MessageBox.Show("Welcome"); //now we want to move the homework page select game. } else if (now.ans == 2) { askAdministrator_form k = new askAdministrator_form(this, _username); k.Show(); this.Hide(); //here we move to the asking open administrator panle? } else { MessageBox.Show("שם משתמש או סיסמא שגויים"); } } catch (MySqlException ex) { MessageBox.Show(ex.ToString()); } } }
private void button1_Click(object sender, EventArgs e) { xuehao = textBox1.Text; string mima = textBox2.Text; login my_login = new login(); my_login.xuehao = xuehao; string _connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["connectionstring"].ToString(); SqlConnection conn = new SqlConnection(_connectionString); conn.Open(); if (radioButton1.Checked) { string strSql = "select * from student where 学号 = '" + xuehao + "'"; SqlCommand cmd = new SqlCommand(strSql, conn); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { if (mima.Equals(dr["密码"].ToString())) { MessageBox.Show("登陆成功!"); main zuoti = new main(my_login); zuoti.Show(); this.Hide(); } else { MessageBox.Show("密码错误!"); } } else { MessageBox.Show("账号不存在!"); } } if (radioButton2.Checked) { } }
private void button1_Click(object sender, EventArgs e) { xuehao = textBox1.Text; string mima = textBox2.Text; login my_login = new login(); my_login.xuehao = xuehao; SqlConnection conn = new SqlConnection(); conn.ConnectionString = @"Server = localhost;Database=CLASSTEST;integrated security=true"; conn.Open(); if (radioButton1.Checked) { string strSql = "select * from student where 学号 = '" + xuehao + "'"; SqlCommand cmd = new SqlCommand(strSql, conn); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { if (mima.Equals(dr["密码"].ToString())) { MessageBox.Show("登陆成功!"); main zuoti = new main(my_login); zuoti.Show(); this.Hide(); } else { MessageBox.Show("密码错误!"); } } else { MessageBox.Show("账号不存在!"); } } if (radioButton2.Checked) { } }