Tag: Salesforce Visualforce Page

Sample Code: Visualforce page: <apex:page controller="sample">        <apex:form >        <apex:pageBlock>        <apex:pageBlockSection columns="2">            <apex:pageblockSectionItem>                <apex:outputLabel value="State"/>            </apex:pageblockSectionItem>                    <apex:pageblockSectionItem>                                <apex:selectList size="1" value="{!state}">                    <apex:selectOptions value="{!states}"/>                    <apex:actionSupport event="onchange" reRender="a"/>                </apex:selectList>                            ....

Sample code: Visualforce page: <apex:page controller="sample">        <apex:form >        <apex:pageBlock >        <apex:commandButton value="A Section" action="{!callA}"/>        <apex:commandButton value="B Section" action="{!callB}"/>    </apex:pageBlock>        <apex:pageBlock rendered="{!Abool}">       <apex:outputText value="This is A section"/>    </apex:pageBlock>    ....

Sample Code: Visualforce page: <apex:page controller="sample">            <apex:commandButton value="Open" action="{!openPage}"/>    </apex:page> Apex Class:  public class sample{    public pageReference openPage()     {        pageReference pg = new pageReference('/apex/Name_Of_The_Page');        pg.setRedirect(true);        return pg;    }       }

Sample Trigger for Email alert on creation of User: trigger welcomeUser on User ( after insert ) {      List < Messaging.SingleEmailMessage > mails = newMessaging.SingleEmailMessage();     for ( user u:trigger.new ) {                       ....

Sample Code: Visualforce page: <apex:page controller="sample">    <!-- Calling Controller Method from Visualforce page -->        <!-- Javascript -->    <script type="text/javascript">        function jsfind()        {            callfind();        }    </script>        <apex:pagemessages />        ....

rendered - Boolean value (if it is true, it displays the block else it will be hidden) Example - https://infallibletechie.com/2014/02/conditional-rendered-with-list-size.html reRender - ID. The particular block will be refreshed. Example - https://infallibletechie.com/2013/04/how-to-rerender-multiple-sections-in.html renderAs ....

Dynamic Apex allows to create more flexible applications by providing them with the ability to: Access sObject and field describe information Describe information provides information about sObject and field properties. ....

    If Extensions are having same method name, it gets overridden.     Overrides are defined by whichever methods are defined in the “leftmost” extension, or, the extension that is first ....

    The view state of a web page is composed of all the data that's necessary to maintain the state of the controller during server requests (like sending or receiving ....