protected void btnUpdate_Click(object sender, EventArgs e) { StockItemBLL stock_bll = new StockItemBLL(); //Stock_Item item = new Stock_Item(); string tem_Code = Session["item_code"].ToString(); int categoryID = Convert.ToInt32(txtCategory.Text); string description = txtDesc.Text; int reorder_Level = Convert.ToInt32(txtReorder.Text); int reorder_Qty = Convert.ToInt32(txtReorderQty.Text); string unit_of_Measure = txtUnit.Text; int qty = Convert.ToInt32(txtQuantity.Text); string update_msg = stock_bll.UpdateStockItem(tem_Code, categoryID, description, reorder_Level, reorder_Qty, unit_of_Measure, qty); lblmsg.Text = update_msg; }