Viewing and Editing all Custom Settings in Visualforce Page

To see or edit custom setting records, we navigate to each custom setting, click on manage button and edit/ view custom settings records.

In order to avoid this navigation for all custom setting, I thought of creating a VF page where we can select custom setting present in organization and view/ edit records related to the selected custom settings on the same VF Page.

In order to achieve this, I have created a VF page named as "Sunil_CSDetails". Also I have created a batch class which will check for custom settings present in organization and will store their API names in one custom object (say "CS_Name__c"). You can use standard name field or custom text field (say "Name__c") to store API name of custom object.

User will click on Refresh button in order to fetch all custom settings present in the organization. After clicking on Refresh button, user will see progress bar with status. When the operation is finished, a new button will appear on the page with a message to click on that button.

After clicking on "Display Options" button, the page will display a picklist with all available custom settings and records related to selected option.

Now you can select any custom settings present in organization and view related records. Click on "Edit" button in order to edit any custom settings records.

You can download zip file from the link below which contains apex classes, VF page and custom objects.

Download Apex class and VF Page code from here

Looking forward to your comments and views.

More Blogs>>: HighCharts in Visualforce Page     Batch Apex Job Progress Bar     Dynamic Apex in Salesforce

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How to schedule an apex schedulable class to run after every 10 or 15 minutes

There are scenario in which we need to schedule apex class to run after every 10 minutes or 15 minutes. In order to achieve this requirement, we can create 2 apex scheduler classes. Whenever first scheduler will run, it will perform processing or operation and after that it will schedule second apex schedule class to run after specified interval (in below example, we have mentioned 10 minutes). When second scheduler will run it perform operation or processing and will schedule first apex schedule class to run after specified interval.

First apex scheduler class:

global class Scheduler01 implements Schedulable {
    global void execute(SchedulableContext SC)     
    {
        //Call other class method which will perform operations as it is 
        //recommended that all processing take place in a separate class
        doScheduling();
    }
    public void doScheduling(){
       try{
            dateTime dt=System.now().addMinutes(10); //you can specify 10 mins or 15     
                                                                              //mins or any interval
            String Csec,Cmin,Chr,Cday,Cmonth,CYear;
            Csec=String.valueof(dt.second());
            Cmin=String.valueof(dt.minute());
            Chr=String.valueof(dt.hour());
            Cday=String.valueof(dt.day());
            Cmonth=String.valueof(dt.month());
            CYear=String.valueof(dt.Year());
            String SchTimer=Csec+' '+Cmin+' '+Chr+' '+Cday+' '+Cmonth+' ? '+CYear;
            system.debug('*************SchTimer:'+SchTimer);
            Scheduler02 cas = new Scheduler02();
            system.schedule('Scheduler02: Running at '+System.now().format(), SchTimer, cas);
            //we will delete completed apex scheduled jobs for which state is DELETED

            for( CronTrigger c:[Select State,Id,EndTime,CronExpression From CronTrigger where  
                                        NextFireTime= null  AND State='DELETED' Limit 100]){
                    System.abortJob(c.id);
            }
        }
        catch(exception e){
        }
   }
}

Second apex Scheduler Class:

global class Scheduler02 implements Schedulable {

    global void execute(SchedulableContext SC){

        //Call other class method which will perform operations as it is 

        //recommended that all processing take place in a separate class

        doScheduling();

    }

    public void doScheduling(){

      try{

            dateTime dt=System.now().addMinutes(10);

            String Csec,Cmin,Chr,Cday,Cmonth,CYear;

            Csec=String.valueof(dt.second());

            Cmin=String.valueof(dt.minute());

            Chr=String.valueof(dt.hour());

            Cday=String.valueof(dt.day());

            Cmonth=String.valueof(dt.month());

            CYear=String.valueof(dt.Year());

            String SchTimer=Csec+' '+Cmin+' '+Chr+' '+Cday+' '+Cmonth+' ? '+CYear;

            system.debug('*************SchTimer:'+SchTimer);

            Scheduler01 cas = new Scheduler01();

            system.schedule('Scheduler01: Running at '+System.now().format(), SchTimer, cas);

            //we will delete completed apex scheduled jobs for which state is DELETED

            for( CronTrigger c:[Select State,Id,EndTime,CronExpression From CronTrigger  

                                where NextFireTime=null  AND State='DELETED' Limit 100]){

                    System.abortJob(c.id);

            }

        }

        catch(exception e){

        }

    }

}