public void login() { SqlConnection con = new SqlConnection("Data Source=.; Database=school; Integrated Security=SSPI;"); SqlDataAdapter da; DataSet ds = new System.Data.DataSet(); string query; if (rb_admin.Checked == true) { query = "select * from user_details where username='******' and password='******' and usertype='Admin'"; da = new SqlDataAdapter(query, con); da.Fill(ds); if (ds.Tables[0].Rows.Count > 0) { Admin _admin = new Admin(); _admin.Show(); //this.Hide(); } else { MessageBox.Show("Invalid Username and Password..."); } } else { query = "select * from user_details where username='******' and password='******' and usertype='Teacher'"; da = new SqlDataAdapter(query, con); da.Fill(ds); if (ds.Tables[0].Rows.Count > 0) { Teachers _teacher = new Teachers(); _teacher.Show(); //this.Hide(); } else { MessageBox.Show("Invalid Username and Password..."); } } }
private void button3_Click(object sender, EventArgs e) { Teachers _teacher = new Teachers(); _teacher.Show(); }