private void button1_Click(object sender, EventArgs e) { this.Hide(); ques exm = new ques(); exm.Show(); }
private void timer1_Tick(object sender, EventArgs e) { SqlConnection conn = new SqlConnection("Data Source=192.168.43.185,49172,49172;Initial Catalog=CC;User ID=sa;Password=mypc107"); SqlDataReader rdr = null; SqlCommand cmd = new SqlCommand("SELECT COUNT(*) FROM ExamStart WHERE examcode LIKE'" + Form1.examcode + "'", conn); rdr = cmd.ExecuteReader(); // while(rdr.Read()) // MessageBox.Show(rdr[0].ToString()); rdr.Read(); if ((int)rdr[0] > 0) { this.Hide(); ques exm = new ques(); exm.Show(); } }