private void Remove_super_Click(object sender, EventArgs e) { string remove = Remove_sup.Text; if (remove == "") { MessageBox.Show("You didn't enter a last name! Please, enter a last name.", "", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { if ((MessageBox.Show("Are you sure that you wish to remove this supervisor?", "Exit SomerenAdministration?", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == System.Windows.Forms.DialogResult.Yes)) { SomerenUI.RemoveSuper(remove); panel1.Controls.Clear(); Remove_sup.Clear(); groupBox1.Text = "Supervisors"; panel1.Controls.Add(Remove_super); panel1.Controls.Add(Remove_sup); panel1.Controls.Add(Remove_s); panel1.Controls.Add(Add_super); panel1.Controls.Add(Add_sup); panel1.Controls.Add(Add_s); panel1.Controls.Add(SomerenUI.showListSupervisors()); MessageBox.Show("The supervisor was successfully removed!", "", MessageBoxButtons.OK, MessageBoxIcon.Information); } } }