Sample Code:
<apex:page controller=”sample”>
<apex:pageBlock >
<apex:variable var=”i” value=”{!0}”/>
<apex:pageBlockTable value=”{!acnt}” var=”acc”>
<apex:column >
<apex:variable var=”i” value=”{!i+1}”/>
</apex:column>
<apex:column value=”{!acc.Name}” rendered=”{! IF((mod(i,2)) == 0, true, false)}” style=”background:pink;”/>
<apex:column rendered=”{! IF((mod(i,2)) == 0, true, false)}” style=”background:pink;” value=”{!acc.Rating}”/>
<apex:column value=”{!acc.Name}” rendered=”{! IF((mod(i,2)) == 1, true, false)}” style=”background:yellow;”/>
<apex:column rendered=“{! IF((mod(i,2)) == 1, true, false)}” style=”background:yellow;” value=”{!acc.Rating}”/>
</apex:pageBlockTable>>
</apex:pageBlock>
</apex:page>
<apex:page controller=”sample”>
<apex:pageBlock >
<apex:variable var=”i” value=”{!0}”/>
<apex:pageBlockTable value=”{!acnt}” var=”acc”>
<apex:column >
<apex:variable var=”i” value=”{!i+1}”/>
</apex:column>
<apex:column value=”{!acc.Name}” rendered=”{! IF((mod(i,2)) == 0, true, false)}” style=”background:pink;”/>
<apex:column rendered=”{! IF((mod(i,2)) == 0, true, false)}” style=”background:pink;” value=”{!acc.Rating}”/>
<apex:column value=”{!acc.Name}” rendered=”{! IF((mod(i,2)) == 1, true, false)}” style=”background:yellow;”/>
<apex:column rendered=“{! IF((mod(i,2)) == 1, true, false)}” style=”background:yellow;” value=”{!acc.Rating}”/>
</apex:pageBlockTable>>
</apex:pageBlock>
</apex:page>