private void deleteBtn_Click(object sender, EventArgs e)
{
string sub_code = AccCodetxt.Text;
if (!Validator.IsValidString(sub_code))
{
GUIutils.ShowMessage("Enter the valid Account code");
return;
}
if (!SubGroup.IsSubGroup(sub_code))
{
GUIutils.ShowMessage("Account code doesn't exist");
return;
}
SubGroup.DeleteSubGroup(sub_code);
}