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- private void vender(){
- Connection con = null;
- PreparedStatement ps;
- char cad[];
- String codigo="";
- cad=producto.getSelectedItem().toString().toCharArray();
- for(int i=0;i<cad.length;i++){
- if(cad[i]!='-'){
- codigo=codigo+cad[i];
- }else{
- break;
- }
- }
- if(producto.getSelectedItem().equals("Seleccione el producto... ")){
- JOptionPane.showMessageDialog(null,"Seleccione un producto");
- }else{
- try{
- con=Conection.getConection();
- Statement st = con.createStatement();
- rs=st.executeQuery("SELECT stock FROM producto WHERE codigo='"+codigo+"';");
- int valor = rs.getInt("stock");
- valor=valor-1;
- }catch(Exception e){
- }
- }
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