//btn add supliers COMPLITED
private async void btnAddSup_Click(object sender, EventArgs e)
{
if (!txtSupName.Text.Equals(""))
{
Suppliers supplier = new Suppliers();
supplier.CompanyName = txtSupName.Text;
supplier.Phone = txtSupPhone.Text;
await ControlerMethods.SetSuplierAsync(supplier);
txtSupPhone.Text = "";
txtSupName.Text = "";
}
dataSupliers.DataSource = await ControlerMethods.GetSupliersAsync();
}
