private void Productos_Load(object sender, EventArgs e)
{
//Agregar datos al combo box clientre
DataTable datoscli = new DataTable();
datoscli = prod.nomprod();
TxtProdNom.AutoCompleteCustomSource = prod.Productos();
TxtProdNom.AutoCompleteMode = AutoCompleteMode.Suggest;
TxtProdNom.AutoCompleteSource = AutoCompleteSource.CustomSource;
}