private async void ValidateBtn_Click(object sender, EventArgs e)
{
clientCommand.ClientId = int.Parse(CBClient.SelectedValue.ToString());
clientCommand.Date = DateTime.Now;
clientCommand.Status = "En cours";
bool success = await ClientCommand.CreateClientCommandAsync(clientCommand);
foreach (ClientCommandLine clientCommandLine in clientCommand.ClientCommandLines)
{
bool successLine = await ClientCommandLine.CreateClientCommandLineAsync(clientCommandLine);
}
ClickBtn(((Button)sender).Name);
}