private void button2_Click(object sender, EventArgs e) { frm_principal principal = new frm_principal(); principal.Hide(); Close(); frm_login Telalogin = new frm_login(); Telalogin.Show(); }
private void btn_acessar_Click(object sender, EventArgs e) { string usuario = txt_usuario.Text; string senha = txt_senha.Text; MySqlConnection conn = null; string strConn = @"Server = localhost; Database=tcc; Uid=root;Pwd=''; Connect Timeout=30;"; conn = new MySqlConnection(strConn); conn.Open(); string mSQL = "Select count(Login_Email) from login where Login_Email='" + usuario + "' and Login_Senha='" + senha + "'"; MySqlCommand cmd = new MySqlCommand(mSQL, conn); MySqlDataAdapter da = new MySqlDataAdapter(cmd); Int32 count = Convert.ToInt32(cmd.ExecuteScalar()); cmd.Dispose(); int registro; registro = count; if (registro == 1) { frm_principal formulario = new frm_principal(); formulario.Show(); this.Hide(); email = txt_usuario.Text; cod = "1"; } else if (usuario == "Admin" && senha == "Admin") { frm_principal formulario = new frm_principal(); formulario.Show(); this.Hide(); email = "Admin"; } else { MessageBox.Show("Usuario ou Senha invalidos", "Acesso", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } }