<aura:iteration items="{!v.data}" var="row">
                <tr class="slds-hint-parent" onclick="{!c.showRow }" >
                    <td data-label="OpportunityNumber__c" >
                        <div class="slds-truncate" title="{!row.OpportunityNumber__c}">{!row.OpportunityNumber__c}</div>
                    </td>
                    <td data-label="Date" >
                        <div class="slds-truncate" title="{!row.CreatedDate}">{!row.CreatedDate}</div>
                    </td>
                    <td data-label="Nom Affaire" >
                        <div class="slds-truncate" title="{!row.Name}">{!row.Name}</div>
                    </td>

                </tr>
            </aura:iteration>

showRow:function(component,event,helper){
  console.log("it's work");
}