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Page get reload after selecting picklist value and switches to home tab


In the following code when i select picklist value in purchase order tab; page gets reload and switches to home tab.

Please help me to stay on the same tab.




<apex:tabPanel switchType="client" selectedTab="Home" id="SOTabPanel" tabClass="activeTab" inactiveTabClass="inactiveTab">

<apex:tab label="Home" name="Home" id="tabHome">
<apex:form >
<apex:pageBlock title="Hello {!Name}!!! Welcome To UltraVoilet" >


<apex:tab label="Purchase Order" name="PO" id="tabPO">
<apex:form >
<apex:pageBlock title="Purchase Order Creation" mode="Edit" >
<apex:pageBlockSection title="Header" columns="4">
<apex:selectList size="1" value="{!SelectedValue}">
<apex:selectOptions value="{!statusOptions}"/>
<apex:actionSupport event="onchange" action="{!checkValue}" />


 </apex:form >





public string selectedValue { get;set; }
public List<SelectOption> statusOptions { get;set; }

public void autoRun()
Schema.DescribeFieldResult statusFieldDescription = UV_Account__c.State__c.getDescribe();
statusOptions = new list<SelectOption>();

for (Schema.Picklistentry picklistEntry : statusFieldDescription.getPicklistValues())
statusOptions.add(new SelectOption(pickListEntry.getValue(),pickListEntry.getLabel()));


public void checkValue()


add rerender attribute in your action support.

<apex:actionSupport event="onchange" action="{!checkValue}" rerender="tabPO" />



if solved mark it as splution