   <p:ajax event="keyup" process="@this" ></p:ajax>
            <p:ajax event="blur" process="@this" ></p:ajax>
        </p:inputText>

        <p:dataTable 
            id="tblBillItems"
            value="#{cc.attrs.ptixs}" 
            var="ptix" 
            rowKey="#{ptix.id}" 
            editable="true">

            <f:facet name="header">
                <h:outputText value="Patient Investigation Items" />
            </f:facet>

            <p:column headerText="ID">
                <h:outputText 