Retrieving data from a file into C++ Builder components.

File: top_Population.txt (location in directory Project C++ Builder)

India 1450935791 17.78

Pakistan 251269164 3.08

China 1419321278 17.39

United_States 345426571 4.23

Nigeria 232679478 2.85

Indonesia 283487931 3.47

struct Date

{

char name_Country[64];

float population_Country;

float procent_World;

};

void __fastcall TForm1::FormCreate(TObject *Sender)

{

 StringGrid1->Cells[0][0]="Country";

 StringGrid1->Cells[1][0]="Population";

 StringGrid1->Cells[2][0]="World Share";

 Button1->Caption="Open";

 Button2->Caption="Close";

}

//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)

{

 struct Date* population_Info=new struct Date[6];

 FILE* my_File=fopen("top_Population.txt","r");

 if(!my_File)

 {

ShowMessage("Can't open file!");

 }

 else

 {

  for(int i=0;i<6;i++)

  {

fscanf(my_File,"%s %f %f\n",population_Info[i].name_Country,

&population_Info[i].population_Country,&population_Info[i].procent_World);

  }

  fclose(my_File);

  for(int i=0;i<6;i++)

  {

StringGrid1->Cells[0][i+1]=UnicodeString(population_Info[i].name_Country);

StringGrid1->Cells[1][i+1]=FloatToStr(population_Info[i].population_Country);

StringGrid1->Cells[2][i+1]=FloatToStrF(population_Info[i].procent_World,ffGeneral,7,1)+"%";

  }

 }

 delete [] population_Info;

}