过滤空行后使用Primefaces在数据表中分页时显示的空白行 [英] after filtering Empty rows blank rows displayed while paging in the datatable using Primefaces

问题描述

我使用Primefaces 2.2.1和JSF 2.0遇到数据表问题。

I have problem with datatable using Primefaces 2.2.1 and JSF 2.0.

我在数据表中使用了过滤和分页。当我尝试过滤时，将显示所选数据，而当我删除过滤器时，将显示整个数据。但是之后，当我尝试使用分页时，突然所有行变成空白（空）
请参见下面的屏幕截图

I have used filtering and paging in the datatable. When I try to filter the selected data is displayed and when i remove the filter the entire data is displayed. But after this when i try to use paging then suddendly all the rows becomes blank(empty) See screenshot below

任何建议。请帮忙。

.xhtml文件

<p:dataTable var="user" value="#{userManagedBean.searchUsersResults}"
        selection="#{userManagedBean.selectedUser}" selectionMode="single"
        dynamic="true"
        onRowSelectUpdate="userUpdateForm"
        onRowUnselectUpdate="userUpdateForm"
        rowSelectListener="#{userManagedBean.onUserSelect}"
        rowUnselectListener="#{userManagedBean.onUserUnselect}"
        paginator="true" rows="10" style="width: 70% ">
        <p:column sortBy="#{user.userId}" filterBy="#{user.userId}" >
            <f:facet name="header">
            <h:outputText value="Id" />
            </f:facet>
            <h:outputText value="#{user.userId}" />
            </p:column>
            <p:column sortBy="#{user.username}" filterBy="#{user.username}">
            <f:facet name="header">
            <h:outputText value="Name" />
            </f:facet>
            <h:outputText value="#{user.username}" />
            </p:column>
            <p:column sortBy="#{user.emailId}" filterBy="#{user.emailId}">
            <f:facet name="header">
            <h:outputText value="Email" />
            </f:facet>
            <h:outputText value="#{user.emailId}" />
            </p:column>
            <p:column sortBy="#{user.dob}" filterBy="#{user.dob}">
            <f:facet name="header">
            <h:outputText value="DOB" />
            </f:facet>
            <h:outputText value="#{user.dob}" >
                <f:convertDateTime pattern="MM/dd/yyyy" />
            </h:outputText>
        </p:column>
    </p:dataTable>
    <p:panel id="userDetailsPanelId" header="Users Details" style="width:60%;">
    <h:panelGrid columns="2" cellpadding="2" id="userUpdateForm" border="0" >
            <h:outputLabel for="#{userManagedBean.selectedUser.userId}" value="UserId"/>
            <h:inputText value="#{userManagedBean.selectedUser.userId}" style="width: 100%;" readonly="true"></h:inputText>

            <h:outputLabel for="#{userManagedBean.selectedUser.username}" value="Username"/>
            <h:inputText value="#{userManagedBean.selectedUser.username}" readonly="true"></h:inputText>

            <h:outputLabel for="#{userManagedBean.selectedUser.emailId}" value="EmailId"/>
            <h:inputText value="#{userManagedBean.selectedUser.emailId}" readonly="true"></h:inputText>

            <h:outputLabel for="#{userManagedBean.selectedUser.gender}" value="Gender"/>
            <h:inputText value="#{userManagedBean.selectedUser.gender}" readonly="true"></h:inputText>

            <h:outputLabel for="#{userManagedBean.selectedUser.dob}" value="DOB"/>
            <h:inputText value="#{userManagedBean.selectedUser.dob}" readonly="true">
                <f:convertDateTime pattern="MM/dd/yyyy" />
            </h:inputText>

        </h:panelGrid>
        </p:panel>
    </h:form>
    </center>

推荐答案

我遇到了同样的问题，最终发现它是由我的值对象（在本例中为您的用户对象）未实现Serializable引起的。

I encountered the same problem and eventually discovered it was caused by my value object (in this case your user object) not implementing Serializable.

这篇关于过滤空行后使用Primefaces在数据表中分页时显示的空白行的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！