Array ( [0] => 2 [id_inv] => 2 [1] => Luis [nombre] => Luis [2] => villasenor [ape_pat] => villasenor [3] => Pineda [ape_mat] => Pineda [4] => INAOE [inst] => INAOE [5] => http://ccc.inaoep.mx/~villasen [pag_per] => http://ccc.inaoep.mx/~villasen [6] => [ruta_img] => [7] => 2 [id_usuario] => 2 [8] => zapote [direccion] => zapote ) 
 
Array ( [0] => 3 [id_inv] => 3 [1] => Juana [nombre] => Juana [2] => Contreras [ape_pat] => Contreras [3] => Pelaez [ape_mat] => Pelaez [4] => ITP [inst] => ITP [5] => www.facebook.com [pag_per] => www.facebook.com [6] => [ruta_img] => [7] => 1 [id_usuario] => 1 [8] => 13 oriente zapote blanco [direccion] => 13 oriente zapote blanco ) 
 
Array ( [0] => 4 [id_inv] => 4 [1] => Carla [nombre] => Carla [2] => Rojas [ape_pat] => Rojas [3] => Pealez [ape_mat] => Pealez [4] => BUAP [inst] => BUAP [5] => www.facebook.com [pag_per] => www.facebook.com [6] => [ruta_img] => [7] => 1 [id_usuario] => 1 [8] => erdvthb [direccion] => erdvthb ) 
 
Array ( [0] => 5 [id_inv] => 5 [1] => Pablo [nombre] => Pablo [2] => Cruz [ape_pat] => Cruz [3] => Olivera [ape_mat] => Olivera [4] => UNCO [inst] => UNCO [5] => www.facebook.com [pag_per] => www.facebook.com [6] => [ruta_img] => [7] => 1 [id_usuario] => 1 [8] => xx [direccion] => xx ) 
 
Array ( [0] => 7 [id_inv] => 7 [1] => Juana [nombre] => Juana [2] => Peralta [ape_pat] => Peralta [3] => Luna [ape_mat] => Luna [4] => ITP [inst] => ITP [5] => www.facebook.com [pag_per] => www.facebook.com [6] => [ruta_img] => [7] => 2 [id_usuario] => 2 [8] => colonia centro, zapote blanco [direccion] => colonia centro, zapote blanco ) 

SQL: SELECT * FROM investigador WHERE id_inv='0'

SQL: SELECT * FROM investigador WHERE id_inv='0'

SQL: Resource id #6

<?php
        //codigo para mandar a traer todos los nombres de los investigadores que estan almacenados en la base de datos.		
 
$consulta = mysql_query("SELECT *FROM investigador");
 
echo '<div style="border:2px solid  Black;
            background : white;
            color : skyblue;
            padding : 4px;
            width : 300px;
            height : 100px;
            overflow : auto; ">';
while ($row= mysql_fetch_array($consulta)){
 
			echo'<a href="investigadores.php?a=<?php echo'.$row['id_inv'].'?>">'.$row['nombre'].'&nbsp&nbsp'.$row['ape_pat'].'&nbsp&nbsp'.$row['ape_mat'].' <br/> </a>';
}echo'</div>';
 
 
?>

<?php
		// Formulario2 :codigo para mandar a traer todos datos de un solo investigador al momento que se le de click en el formulario 1(muestra todos los investigadores que estan almacenados en la base de datos).	
		//id_inv='".$_GET['id_inv']."'"
 
		$id = ((isset($_GET['id_inv']) && strlen($_GET['id_inv'])>0) ? $_GET['id_inv'] : 0);
 
 
		$consulta2=mysql_query("SELECT * FROM investigador where  id_inv='$id'");
while($row=mysql_fetch_array($consulta2)){
            echo''.$row['ruta_img'].'';
			echo''.$row['nombre'].'&nbsp&nbsp'.$row['ape_pat'].'&nbsp&nbsp'.$row['ape_mat'].' <br/>';
			echo''.$row['inst'].'';
			echo''.$row['pag_per'].'';
			echo''.$row['direccion'].'';
}
?>

<?php
 
$id=$_GET['id_inv'];
 
$consulta2=mysql_query("SELECT * FROM investigador where  id_inv='$id' '');
while($row=mysql_fetch_object($consulta2)){
			echo''.$row['nombre'].'&nbsp&nbsp'.$row['ape_pat'].'&nbsp&nbsp'.$row['ape_mat'].' <br/>';
}
?>

 
Notice: Undefined index: id_inv in C:\wamp\www\proyecto_redhistal\investigadores.php on line 112