private void button2_Click(object sender, EventArgs e) { Hide(); AdminHome home = new AdminHome(); home.ShowDialog(); Close(); }
public void button1_Click(object sender, EventArgs e) { MySqlDataReader reader = null; MySqlConnection conn = new MySqlConnection("server=localhost;database=community;uid=root;pwd=cs1234;"); MySqlCommand cmd = new MySqlCommand(); cmd.CommandText = "SELECT id, passwd FROM User WHERE id =@pram1 and passwd=@pram2"; cmd.Parameters.Add("@pram1", MySqlDbType.VarChar, 50).Value = idtxt.Text; cmd.Parameters.Add("@pram2", MySqlDbType.VarChar, 50).Value = passwdtxt.Text; cmd.Connection = conn; conn.Open(); reader = cmd.ExecuteReader(); if (reader.Read()) { if (idtxt.Text == "admin") { id = idtxt.Text; this.Hide(); admin.AdminHome home = new admin.AdminHome(); home.ShowDialog(); this.Close(); } else { id = idtxt.Text; this.Hide(); Home home = new Home(); home.ShowDialog(); this.Close(); } } else if (idtxt.Text.Trim() == "" || passwdtxt.Text.Trim() == "") { if (MessageBox.Show("ID와 PASSWORD를 입력해 주세요.", "", MessageBoxButtons.OK, MessageBoxIcon.Information) == DialogResult.Retry) { idtxt.Text = ""; passwdtxt.Text = ""; } } else { if (MessageBox.Show("ID 또는 PASSWORD를 확인해 주세요.", "", MessageBoxButtons.RetryCancel, MessageBoxIcon.Warning) == DialogResult.Retry) { idtxt.Text = ""; passwdtxt.Text = ""; } } reader.Close(); conn.Close(); }