private void button18_Click(object sender, EventArgs e) { this.Visible = false; menu obj = new menu(); obj.Visible = true; }
private void button7_Click(object sender, EventArgs e) { String nam, pas; nam = textBox1.Text; pas = textBox2.Text; OleDbCommand cmd = new OleDbCommand("select * from signup where Username='******' and Password='******'", con); con.Open(); OleDbDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { this.Visible = false; menu obj = new menu(); obj.Visible = true; } else { label2.Visible = true; label2.Text = "Username and password not valid"; } con.Close(); }