Exemplos de ComboBox_Lop.Show em C# (CSharp)

Exemplo n.º 1

 private void Button_LocTheoLop_Click(object sender, EventArgs e)
 {
     if (locTheoLop == false)
     {
         Button_LocTheoLop.Text = "Hiển thị tất cả";
         locTheoLop             = true;
         Label_KhoiLop.Show();
         ComboBox_KhoiLop.Show();
         Label_Lop.Show();
         ComboBox_Lop.Show();
         if (ComboBox_Lop.Text != "")
         {
             ComboBox_Lop.SelectedIndex = 0;
         }
         LoadThongTin(ComboBox_Lop.Text);
     }
     else
     {
         Button_LocTheoLop.Text = "Lọc theo lớp";
         locTheoLop             = false;
         Label_KhoiLop.Hide();
         ComboBox_KhoiLop.Hide();
         Label_Lop.Hide();
         ComboBox_Lop.Hide();
         LoadThongTin();
     }
 }