private void button3_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection("Data Source=DESKTOP-GCD5HVR;Initial Catalog=fees;Integrated Security=True"); SqlDataAdapter sda = new SqlDataAdapter("Select count(*) from admin1 where username='******'and password='******'", con); DataTable dt = new DataTable(); sda.Fill(dt); if (dt.Rows[0][0].ToString() == "1") { this.Hide(); adminform ad = new adminform(); ad.Show(); } else { MessageBox.Show("please check your username and password"); } }
private void button4_Click(object sender, EventArgs e) { adminform ad = new adminform(); ad.Show(); }