I've read all the other cases and I didn't have any luck. I'm doing my own jQuery grid. I'm trying to trigger a function when a save button is clicked(other jQuery functions are working)..... Here's where I include the Javascript file "newsletter.js"...The jQuery and bootstrap files are being loaded by the configuration file on PHP symfony 1.4 for that module...
<body><div class="col-lg-7 col-lg-7-bc">
              
    <h3 style="font-size:20px"> JURISPRUDENCIA</h3>
    <p>
        </br>
    </p>
  
       <div class="col-xs-6 col-sm-4 item ico "><a id="newsletters" target="_blank">Newsletters |</a></div>
        
       <div class="col-xs-6 col-sm-4 item ico "><a  id="fallos" target="_blank">Navegar |</a></div>
       <div class="col-xs-6 col-sm-4 item ico"><a id="cuadernos_mpd" target="_blank">Cuadernos del MPD</a></div>
     
        
       <div id="grilla"></div>
      
</div>
<?php use_javascript("jurisprudencia/newsletter.js");
     use_javascript("jurisprudencia/funciones_grilla.js");
?>
Here's my .js file:
$(document).ready(function(){   
    //API methods newsletters
    //guardar
    
    function guardarNewsletter(id){
        alert(id);
        /*$("#fieldset_"+id).show();
        $("#fieldset_hidden_"+id).hide();
        
        
            
             $.ajax({
                  url:"/newsletter/guardarNewsletter", 
                  data: newsletter.serialize(), 
                  success:function(data) {
                     alert("Row Guardada"); 
                  }
               });*/
        
    }
    
    
    $("#newsletters").click(function(){
        $.getJSON("/newsletter/getNewsletters", function(result){
            
            var grid="<br><table id='newsletter_grid'>";
            grid+="<thead><tr><th></th><th>Año</th><th>Mes</th><th>Quincena</th><th></th><th></th><th>Publicado</th></tr></thead>";
            
             grid+="<tr><td><button id='agregar_button'>Nuevo</button></td></tr>";
            
             grid+="<tr id='nuevo_field' style='display:none'>";
             
             grid+=crearNuevaRow();
             
             grid+="</tr>";
     
                
             
            $.each(result, function(i, elem){
            
                //show view fieldset, son los campos que se muestran para visualizar los datos
                
                grid+="<tr id='fieldset_"+elem.id+"'>";
                            
                grid+=mostrarElementosViewMode(elem);               
            
                grid+="</tr>";
                
               
                //hidden field
                
                grid+="<tr id='fieldset_hidden_"+elem.id+"' style='display:none'>";
                
                grid+=crearRowHidden(elem);
            
                grid+="</tr>";
                
                
            });
            
            grid+="</table>";
            
            $("#grilla").html(grid);
            
        });
        
        
     
        
    }); 
    
    //crea los elementos editables con el value de su correspondiente existente en modo View o se usa para crear un elemento nuevo
    
    function crearRowHidden(elem){
        
        var nuevoHiddenFieldSet="";
        
        nuevoHiddenFieldSet+="<td><input type='hidden' value='"+elem.id+"'></td>";
        
        nuevoHiddenFieldSet+="<td><input name='anio' value='"+elem.anio+"'/></td>";
        
        nuevoHiddenFieldSet+="<td><input name='anio' value='"+elem.mes+"'/></td>";
        
        nuevoHiddenFieldSet+="<td><input name='quincena' value='"+elem.quincena+"'/></td>";
    
        nuevoHiddenFieldSet+="<td><button value='Guardar' name='guardar_newsletter' id='guardar_newsletter_"+elem.id+"' onclick='guardarNewsletter("+elem.id+")'>Guardar</td>";
                
        nuevoHiddenFieldSet+="<td></td>";
        
        if(elem.publicado==1){
            nuevoHiddenFieldSet+="<td><input type='checkbox' id='publicado_"+elem.id+"' name='publicado' checked='checked'></td>";
        }else{
            nuevoHiddenFieldSet+="<td><input type='checkbox' id='publicado_"+elem.id+"' name='publicado'></td>";
        }
        return nuevoHiddenFieldSet;
     
    }
    
    function crearNuevaRow(){
        
        var nuevaRow="";
        
        nuevaRow+="<td><input type='hidden' value=''></td>";
        
        nuevaRow+="<td><input name='anio' value=''/></td>";
        
        nuevaRow+="<td><input name='anio' value=''/></td>";
        
        nuevaRow+="<td><input name='quincena' value=''/></td>";
    //ver que ponerle en id
        nuevaRow+="<td><button value='Guardar' name='guardar_newstletter' id=''>Guardar</td>";
                
        nuevaRow+="<td></td>";
        //ver que ponerle en id
        nuevaRow+="<td><input type='checkbox' id='' name='publicado'></td>";
        return nuevaRow;
        
    }
    
    //muestra los elementos del listado que se trae de la base de datos
    
    function mostrarElementosViewMode(elem){
        
        var elemento;
        
        elemento+="<td><input type='hidden' value='"+elem.id+"'></td>";
        
        elemento+="<td>"+elem.anio+"</td>";
        
        elemento+="<td>"+elem.mes+"</td>";
        
        elemento+="<td>"+elem.quincena+"</td>";
        
        elemento+="<td><button id='editar_"+elem.id+"' value='Editar' onclick='muestraEditarFields(\""+elem.id+"\")'>Editar</td>";
        
        elemento+="<td><button id='eliminar_newsletter_"+elem.id+"' value='Eliminar'>Eliminar</td>";
        
        if(elem.publicado == 1){
            elemento+="<td><input type='checkbox' id='publicado_"+elem.id+"' name='publicado' checked='checked'></td>";
        } else {
            elemento+="<td><input type='checkbox' id='publicado_"+elem.id+"' name='publicado'></td>";
        }
        
        return elemento;
        
    }
    
});
This is the part that doesn't work:
nuevoHiddenFieldSet+="<td><button value='Guardar' name='guardar_newsletter' id='guardar_newsletter_"+elem.id+"' onclick='guardarNewsletter("+elem.id+")'>Guardar</td>";
I tried to use a jQuery click event and I keep getting the same error when I click the button, not the alert that should show up:
ReferenceError: guardarNewsletter is not defined
<!DOCTYPE html>
The edit button on this grid is working so I don't know why jQuery is not recognizing my function. I've read that could be a timing problem of when the function is being called, but I'm not sure in this case. Basically what I do is bring rows from the database, and create one for visualizing and one hidden for editing, the editing fields show up but when I want to save that error comes up. Any light on this matter?