What are the different types of messaging options in Visualforce page?

Hi Pranav,

The Different type of messaging option are:-

1)Info:-

It is code is Eg:-

<apex:page >
<apex:pageMessage summary="This is a pageMessage" severity="info" strength="3"/>
</apex:page>

2) Error  :-

It is code is Eg From Standard Controller Message:-

<apex:page >
<apex:pageMessage summary="This is a pageMessage" severity="error" strength="1"/>
</apex:page>

Custom Controller Message:-

<apex:page controller="TestMessageController">
<apex:pageMessages />
</apex:page>

public class TestMessageController{
public TestMessageController(){
ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'This is apex:pageMessages'));
}
}

3)Warning :-

The code is:-

<apex:page controller="WarningMessage">
<apex:pagemessages />
</apex:page>

public class WarningMessage
{
public WarningMessage()
{
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.Warning, 'This is a warning message'));
}
}

4)Confirm

It is code is :-

<apex:page controller="SuccessMessage">
<apex:pagemessages />
</apex:page>

public class SuccessMessage
{
public SuccessMessage()
{
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.Confirm, 'This is a success message'));
}
}