Hola gente, mi problema es el siguiente, cuando genero el pdf desde base de datos, no muestra el primer registro, si los demas o sea que si tengo 2 productos que facturar, solo me muestra el segundo que agregue en la venta, este es mi codigo:
 
class PDF extends FPDF 
{ 
var $widths; 
var $aligns; 
var $height;
 
function SetWidths($w)
{
	//Set the array of column widths
	$this->widths=$w;
}
function SetHeight($w)
{
	//Set the array of column widths
	$this->height(90);
}
function SetAligns($a)
 
{
 
//Set the array of column alignments
 
$this->aligns=$a;
 
}
// Cabecera de página
function Header()
{
	global $row_Datoscompra;
	// Logo
	$this->Rect(10, 15, 190, 265, "I"); 
	$this->Image('images/logo.png',15,18,75);
$this->AddFont('Lucida',"B",'LucidaSansUnicode.php');	
	$this->SetFont('Lucida','B',10);
$this->Text(14,47, "Cliente: "); 
$this->Text(14,53, "Domicilio: "); 
$this->Text(14,59, utf8_decode("Teléfono: ")); 	
 
$this->Text(152, 33, "Concordia, "); 
$this->Text (155, 28, utf8_decode("Comprobante Nº")); 
 
$this->Text(12, 72, "Cantidad"); 
$this->Text(33, 72, "Producto"); 
$this->Text(151, 72, "Precio Unit."); 
$this->Text(185, 72, "Total");
 
 
	$this->Line(10, 37, 200,37);//linea abajo de logo
$this->Line(10, 65, 200,65);//linea abajo de datos del cliente	
 
	$this->SetFont('Lucida','B',10); 
$this->Text(32, 47, utf8_decode(ObtenerNombreCliente($row_Datoscompra['idCliente']))); 
$this->Text(32, 53, ObtenerDireccionCliente($row_Datoscompra['idCliente']));
$this->Text(32, 59, ObtenerTelefonoCliente($row_Datoscompra['idCliente'])); 
 
 
$this->Text(171, 33, strftime("%d / %m / %Y", strtotime($row_Datoscompra['fchCompra']))); 
$this->Text(190, 28, $row_Datoscompra['idCompra']);  
 
}
 
function Footer()
{
	global $row_Datoscompra;
	global $saldo;
	// Pie de página
	$this->AddFont('Lucida',"B",'LucidaSansUnicode.php');	
	$this->Line(10, 222, 200,222);//linea del total
$this->SetFont('Lucida','B',10); 
 
$this->Text(177,228, "$".number_format($row_Datoscompra['dblTotal'], 2, ',', '.'));
$this->AddFont('Lucida',"B",'LucidaSansUnicode.php');	
$this->SetFont('Lucida','B',10); 
$this->Text (155, 228, "Total: "); 
$saldo=$row_Datoscompra['dblPago']-$row_Datoscompra['dblTotal'];
 
$this->Line(10, 252, 200,252);//linea arriba de el footer
$this->AddFont('Lucida',"I",'LucidaSansUnicode.php');
$this->SetFont('Lucida','I',10); 
$this->Text (12, 228, "Forma de Pago: "); 
$this->Text(43, 228, TextoFormaPago($row_Datoscompra['intTipopago'])); 
 
$this->Line(10, 230, 200,230);//linea del total
 
$this->Text (12, 235, "Detalle de Pago: "); 
$this->Text (43, 242, "SALDO: $"); 
$this->Text (59, 242, $saldo);
 
$this->Text(43, 235, strftime("%d/%m/%Y", strtotime($row_Datoscompra['fchCompra']))); 
$this->Text (67, 235, "$"); 
$this->Text(70, 235, number_format($row_Datoscompra['dblPago'], 2, ',', '.')); 
 
 
	$this->SetY(-45);
	$this->AddFont('Lucida',"B",'LucidaSansUnicode.php');
	$this->SetFont('Lucida','B',10);
	$this->SetTextColor(0);
	$this->Cell(0,10,'Avellaneda 968 - Concordia - Entre Rios - Argentina',0,0,'C');$this->SetY(-40);
	$this->SetFont('Lucida','',10);
	$this->SetTextColor(0);
	$this->Cell(0,10,'Tel.: (0345) 421 - 6628 / (0345) 154-175286',0,0,'C');
	$this->SetY(-35);
	$this->SetFont('Lucida','',10);
	$this->SetTextColor(0);
	$this->Cell(0,10,'Email.: [email protected] / MSN: [email protected]',0,0,'C');
	$this->SetY(-30);
	$this->SetFont('Lucida','B',13);
	$this->SetTextColor(0);
	$this->Cell(0,10,'www.eluniversopc.com.ar',0,0,'C');
}	
 
function Row($data)
{
	//Calculate the height of the row
	$nb=0;
	for($i=0;$i<count($data);$i++)
		$nb=max($nb,$this->NbLines($this->widths[$i],$data[$i]));
	$h=5*$nb;
	//Issue a page break first if needed
	$this->CheckPageBreak($h);
	//Draw the cells of the row
	for($i=0;$i<count($data);$i++)
	{
		$w=$this->widths[$i];
 
		$a=isset($this->aligns[$i]) ? $this->aligns[$i] : 'L';
		//Save the current position
		$x=$this->GetX();
		$y=$this->GetY();
		//Draw the border
 
		$this->Rect($x,$y,0,0);
 
		$this->MultiCell($w,5,$data[$i],0,$a,'true');
		//Put the position to the right of the cell
		$this->SetXY($x+$w,$y);
	}
	//Go to the next line
	$this->Ln($h);
}
function NbLines($w,$txt)
{
	//Computes the number of lines a MultiCell of width w will take
	$cw=&$this->CurrentFont['cw'];
	if($w==0)
		$w=$this->w-$this->rMargin-$this->x;
	$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
	$s=str_replace("\r",'',$txt);
	$nb=strlen($s);
	if($nb>0 and $s[$nb-1]=="\n")
		$nb--;
	$sep=-1;
	$i=0;
	$j=0;
	$l=0;
	$nl=1;
	while($i<$nb)
	{
		$c=$s[$i];
		if($c=="\n")
		{
			$i++;
			$sep=-1;
			$j=$i;
			$l=0;
			$nl++;
			continue;
		}
		if($c==' ')
			$sep=$i;
		$l+=$cw[$c];
		if($l>$wmax)
		{
			if($sep==-1)
			{
				if($i==$j)
					$i++;
			}
			else
				$i=$sep+1;
			$sep=-1;
			$j=$i;
			$l=0;
			$nl++;
		}
		else
			$i++;
	}
	return $nl;
}
function CheckPageBreak($h)
{
	//If the height h would cause an overflow, add a new page immediately
	if($this->GetY()+$h>$this->PageBreakTrigger)
		$this->AddPage($this->CurOrientation);
}
 
}
$pdf=new PDF('P','mm','A4');
 
//require('fpdf/makefont/makefont.php');
 
//MakeFont('c:\\xampp\\htdocs\\sistema\\fpdf\\font\\  l_10646.ttf','cp1252');
 
 
$pdf->AddPage();
$pdf->SetLeftMargin(17); 
$pdf->SetRightMargin(20);
$pdf->SetTopMargin  (75);
$pdf->SetAutoPageBreak(0, 75);
$pdf->AddFont('Lucida',"",'LucidaSansUnicode.php');
// title and logo 
$pdf->SetFont('Lucida','',30); 
$pdf->Text(70,16,''); 
$pdf->SetFont('Lucida','B',60); 
$pdf->Text(70,40,''); 
 
// draws the box and labels 
$pdf->SetFillColor(204, 204, 204); 
$box_top = 15; // the Y parameter of the top of the grey box 
 
$pdf->SetFont('Lucida','',10); 
 
$pdf->SetY(75);
	while ($row_ProductosCompra = mysql_fetch_assoc($ProductosCompra))
{ 
 
$pdf->SetX(17);
$pdf->AddFont('Lucida',"",'LucidaSansUnicode.php');
$pdf->SetFillColor(255,255,255);
$total=number_format($row_ProductosCompra['intCantidad']*$row_ProductosCompra['dblPrecio'], 2, ',', '.');
$pdf->SetFont('Lucida','',9);
$pdf->SetAligns(array('L','L','R','R'));
$pdf->SetWidths(array(15, 119, 19,24));
 
$pdf->Row(array($row_ProductosCompra['intCantidad'], $row_ProductosCompra['strNombre'], number_format($row_ProductosCompra['dblPrecio'], 2, ',', '.'), $total));
 
}
@mysql_free_result($ProductosCompra); 
   
 
 No muestra primer producto en factura
 No muestra primer producto en factura 



