Salesforce

Salesforce

Hide and show example using Apex in Salesforce

Sample Code: Visualforce page: <apex:page controller="HideAndShow" sidebar="false" showHeader="false" ><apex:form ><p style="font-weight:800; color:#4C0000;">&nbsp;&nbsp;&nbsp;Click the buttons below to experiment Hide and Show.</p>    <apex:pageBlock title="Block A" rendered="{!abool}">        This is Block A.<br/><br/>            </apex:pageBlock>    ....

Salesforce

How to display Custom Setting data using Apex in Visualforce page?

Sample Code: Visualforce Page: <apex:page controller="sample" sidebar="false" ><apex:form >    <apex:pageblock >        <apex:pageblockTable value="{!code}" var="c">            <apex:column value="{!c.Name}"/>                    <apex:column value="{!c.Code__c}"/>        </apex:pageblockTable>    </apex:pageblock></apex:form></apex:page> Apex Controller: public class sample{    public List<CountryCodes__c> code {get;set;}   ....

Salesforce

How to add error message in Visualforce page?

Sample Code: Visualforce page: <apex:page controller="Sample" sidebar="false" ><apex:pagemessages /><apex:form >    <apex:pageblock >              <apex:pageBlocksection >            <apex:pageblockSectionItem >Name:</apex:pageblockSectionItem>            <apex:pageblockSectionItem ><apex:inputtext value="{!nam}" /></apex:pageblockSectionItem>                      <apex:pageblockSectionItem >Age:</apex:pageblockSectionItem>                      <apex:pageblockSectionItem ><apex:inputtext value="{!age}" /></apex:pageblockSectionItem>                  ....