how to diaplay image on dynamically loaded button on windows app

int i = 1;

            foreach (TabPage tp in tabControl1.TabPages)
            {

                ObjectQuery<tblproduct> listProduct = new ObjectQuery<tblproduct>("SELECT VALUE P FROM TblProducts AS P WHERE P.ProductType = " + i.ToString(), afNewObject);
                
                FlowLayoutPanel flp = new FlowLayoutPanel();
                flp.Dock = DockStyle.Fill;
               
                foreach (TblProduct tprod in listProduct)               
                {
                    Button b = new Button();
                    b.Size = new Size(100, 100);
                    b.Text = tprod.Description;
                    
                    b.BackgroundImage = tprod.Image; // error line
                   
                    b.Tag = tprod;
                   
                    b.Click += new EventHandler(UpdateProductList);
                  
                    flp.Controls.Add(b);
                }

                tp.Controls.Add(flp);
                i++;