public void RefreshDG()
{
Admin Auto = new Admin();
tbItemNumber.Text = Auto.InventoryAutoGenerateID();
Admin Show = new Admin();
dgAllItem.DataSource = Show.InventoryDGV();
dgAllItem.DataMember = "Inventory";
dgSearchItem.DataSource = Show.InventoryDGV();
dgSearchItem.DataMember = "Inventory";
dgEditItem.DataSource = Show.InventoryDGV();
dgEditItem.DataMember = "Inventory";
tbEditAddStock.Enabled = false;
}