Java 数据表所选行';未检测到异常
我需要在我的dataTable中检索所选行信息,但我遇到了错误,我遵循了primefaces官方文档,但我不明白问题出在哪里这是我的代码: Xhtml页面:Java 数据表所选行';未检测到异常,java,datatable,primefaces,Java,Datatable,Primefaces,我需要在我的dataTable中检索所选行信息,但我遇到了错误,我遵循了primefaces官方文档,但我不明白问题出在哪里这是我的代码: Xhtml页面: <p:dataTable id="groups" var="group" value="#{projectAdminisrationMB.groupsList}" rowKey="#{group.name}" selection="#{projectAdminisrationMB.selectedGroup}" selectionMo
<p:dataTable id="groups" var="group" value="#{projectAdminisrationMB.groupsList}" rowKey="#{group.name}" selection="#{projectAdminisrationMB.selectedGroup}" selectionMode="single">
<f:facet name="header">
</f:facet>
<p:column id="column2">
<f:facet name="header">
<h:outputText value="Group Name"></h:outputText>
</f:facet>
<p:graphicImage value="/images/group/#{group.name}.gif" />
<h:outputText value="#{group.name}"></h:outputText>
</p:column>
<p:column id="column3">
<f:facet name="header">
<h:outputText id="text3" value=" Group Description "></h:outputText>
</f:facet>
<h:outputText value="#{group.description}"></h:outputText>
</p:column>
<f:facet name="footer">
<p:commandButton value="See Permession " icon="ui-icon-search" oncomplete="permessionDlg.show()" />
</f:facet>
</p:dataTable>
<p:dialog header="Modify Group" widgetVar="modifyGoupDlg" width="750" showEffect="explode" hideEffect="explode">
<br />
<br />
<h:outputText value="New Group :" />
<p:inputText id="updatedGroupName" value="#{projectAdminisrationMB.selectedGroup.name}" required="true"></p:inputText>
<br />
<br />
<h:outputText value="Group Description :" />
<br />
<br />
<p:editor id="updatedGroupDescription" value="#{projectAdminisrationMB.selectedGroup.description}" width="600" />
<br />
<br />
<p:commandButton id="ValidateModif" value="Validate" actionListener="#{projectAdminisrationMB.modifyGoup}" onclick="modifyGoupDlg.hide()"></p:commandButton>
<p:commandButton id="CancelModif" value=" Cancel " onclick="modifyGoupDlg.hide()"></p:commandButton>
</p:dialog>
首先你放了表单标签吗?首先:
<h:form id="form">
//datatable
//dialog
</h:form>
如果这不能解决问题,请发布bean代码和完整页面该错误何时出现?页面何时加载?或者当您单击“查看置换”按钮时?当我尝试打开modifyGroupDlg
ProjectAdministrationMB
对话框时,它会出现,是否正确?它可能是项目管理MB
?
<h:form id="form">
//datatable
//dialog
</h:form>
<p:commandButton value="See Permession " icon="ui-icon-search" oncomplete="permessionDlg.show()" />
p:commandButton value="See Permession " update=":form:display" icon="ui-icon-search" oncomplete="modifyGoupDlg.show()" />