can't make it work

 #include "stdafx.h"
#include"conio.h"
#include"dos.h"

struct ProductInfo
{
    char Name[10];
    int Qtty;
    float Prise;
};
int ShowCurrentPurchaseDetails(ProductInfo   onePurchase[]);

int _tmain(int argc, _TCHAR* argv[])
{

 ProductInfo onePurchase[10] = {0,0,0,0,0,0,0,0,0,0};
 cprintf("Welcome to D129 Store");
 getch();
 
 cprintf("\nYou're One-Stop Store..");
 getch();
 
char ContinuePurchase = 'y';
int ii = 0;
while (ContinuePurchase == 'y' && ii < 10)
{
    printf("\nPlease encode the product you want to purchase : ");
    scanf("%s", &onePurchase[ii].Name);
    printf("Enter it's unit price : ");

    scanf("%f",&onePurchase[ii].Prise);
    printf("\nPlease encode the quantity you require : ");
 
    scanf("%d",&onePurchase[ii++].Qtty);
    ShowCurrentPurchaseDetails(onePurchase);

    printf("\nDo you want to continue? (Y/N)\n");
    ContinuePurchase = getch();
}

 printf("\nThank You for shopping...");
 printf("\nSee you again next time....");

 getch();
}
int ShowCurrentPurchaseDetails(ProductInfo  onePurchase[])
{
    printf("\nDetails of the purchase...");
    int ii = 0;
    float sum = 0;
    for (ii = 0; ii < 10; ii++)
    {
       if (onePurchase[ii].Qtty >0)
       {
        printf("\nName %s  prise %f  qtty %d",onePurchase[ii].Name,  onePurchase[ii].Prise, onePurchase[ii].Qtty);
        sum += onePurchase[ii].Prise * onePurchase[ii].Qtty;
       }
     }
      printf("\ntotal sum now = ");
      printf("%f",sum);
     return 0;
}

 ---deleted---

 
int _tmain(int argc, _TCHAR* argv[])
{
printf("Details of the purchase...");
printf("\r\n");
 
printf("%s","erer"); 
printf("%f",6); 
printf("%d",6);
printf("%f",6);
 
printf("\r\n");
 
printf("%s","erer"); 
printf("%f",8); 
printf("%d",8);
printf("%f",8);
 
printf("\r\n");
 
printf("%s","erer"); 
printf("%f",9);
printf("%d",9); 
printf("%f",9);
 
 printf("\r\n");
 getchar();

    return 0;
}

 printf("\r\n");