private void FrmOpenTakingInventory_Load(object sender, EventArgs e)
{
INVInventoryService inventoryService = new INVInventoryService();
cmb_inventory.DataSource = inventoryService.SelectAll();
cmb_inventory.DisplayMember = "InventoryName";
cmb_inventory.ValueMember = "InventoryID";
BDProductService productService = new BDProductService();
cmb_Product.DataSource = productService.SelectAll();
cmb_Product.DisplayMember = "ProductName";
cmb_Product.ValueMember = "ProductID";
BDProductGroupService productGroupService = new BDProductGroupService();
cmb_productGroup.DataSource = productGroupService.SelectAll();
cmb_productGroup.DisplayMember = "ProductGroupName";
cmb_productGroup.ValueMember = "ProductGroupID";
ResetFields();
}