apex:param A parameter for the parent component. The <apex:param> component can only be a child of the following components: <apex:actionFunction> <apex:actionSupport> <apex:commandLink> <apex:outputLink> <apex:outputText> <flow:interview>
apex:outputLink Example
<!-- For this example to render fully, associate the page
with a valid contact record in the URL.
For example: https://Salesforce_instance/apex/myPage?id=001D000000IRt53 -->
<apex:page standardController="Contact">
<apex:outputLink value="http://google.com/search">
Search Google
<apex:param name="q" value="{!contact.name}"/>
</apex:outputLink>
</apex:page>
apex:param A parameter for the parent component. The <apex:param> component can only be a child of the following components: <apex:actionFunction> <apex:actionSupport> <apex:commandLink> <apex:outputLink> <apex:outputText> <flow:interview>
apex:outputLink Example
<!-- For this example to render fully, associate the page
with a valid contact record in the URL.
For example: https://Salesforce_instance/apex/myPage?id=001D000000IRt53 -->
<apex:page standardController="Contact">
<apex:outputLink value="http://google.com/search">
Search Google
<apex:param name="q" value="{!contact.name}"/>
</apex:outputLink>
</apex:page>
Please check below post for more information
1) https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_param.htm
2) http://blog.jeffdouglas.com/2010/03/04/passing-parameters-with-a-commandbutton/
3) http://blog.jeffdouglas.com/2010/03/03/passing-parameters-with-a-commandlink/
apex:param
A parameter for the parent component. The <apex:param> component can only be a child of the following components:
<apex:actionFunction>
<apex:actionSupport>
<apex:commandLink>
<apex:outputLink>
<apex:outputText>
<flow:interview>
apex:outputLink Example
Let us know if this will help you
All Answers
If you use value you can set the value to the query string param name
like from this, you can access this value in the controller using Name is the attribute which specifies the key for this parameter.For Ex: May I suggest you please check with below link for more information.
- https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_param.htm
Please mark this as solved if the information helps.Regards,
Nagendra.
Please check below post for more information
1) https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_param.htm
2) http://blog.jeffdouglas.com/2010/03/04/passing-parameters-with-a-commandbutton/
3) http://blog.jeffdouglas.com/2010/03/03/passing-parameters-with-a-commandlink/
apex:param
A parameter for the parent component. The <apex:param> component can only be a child of the following components:
<apex:actionFunction>
<apex:actionSupport>
<apex:commandLink>
<apex:outputLink>
<apex:outputText>
<flow:interview>
apex:outputLink Example
Let us know if this will help you