private void instructorToolStripMenuItem_Click(object sender, EventArgs e) { Advisor l = Advisor.getInstance(); l.Show(); this.Hide(); }
private void button4_Click(object sender, EventArgs e) { this.Hide(); Advisor a = new Advisor(); a.ShowDialog(); a.Close(); this.Hide(); }
public static Advisor getInstance() { if (l == null) { l = new Advisor(); l.Show(); return(l); } else { return(l); } }
private void button2_Click(object sender, EventArgs e) { try { int key = Convert.ToInt32(textBox1.Text); String str = "Data Source=DESKTOP-TOIHAAB;Initial Catalog=ProjectA;Persist Security Info=True;User ID=sa;Password=java"; String query = "Update Advisor Set Designation = (select Id from Lookup where Lookup.Value ='" + comboBox1.Text + "'),Salary=('" + Convert.ToDecimal(textBox2.Text) + "')where Id = '" + Convert.ToInt32(textBox1.Text) + "';"; SqlConnection connect = new SqlConnection(str); SqlCommand cmd = new SqlCommand(query, connect); connect.Open(); cmd.ExecuteNonQuery(); MessageBox.Show("Data is Updated successfully"); connect.Close(); Advisor ad = new Advisor(); this.Hide(); ad.Show(); } catch (Exception es) { MessageBox.Show(es.Message); } }