Download as PDF, PPTX
Uploaded byNishant Singh Panwar
Lightning Web Components- Ep 3 - Working with Salesforce data and LDS
The document outlines a virtual learning series focusing on Lightning Web Components over five days, led by experienced Salesforce developers Nishant Singh Panwar and Sahil Batra. Topics covered include working with Salesforce data, creating custom events, and using Lightning Data Service with various base components. The series aims to enhance participant skills in Salesforce development, with recordings available for reference and upcoming sessions announced.
Lightning Web Components- Ep 3 - Working with Salesforce data and LDS
- 1. Letterkenny, Ireland Developers Group Lk_Sf_DevsLkTrailblazers Welcome to our virtual learning series Learn Lightning Web Components in 5 Days Day 4 - Working with Salesforce Data including LDS
- 3. Nishant Singh Panwar CommunityGroup Leader Salesforce Developer and Consultant ● 6 Years of Salesforce Implementation Experience ● 8x Salesforce Certified - Application Architect UDAIPUR Nishant_SP
- 4.
- 5. Sahil Batra (Director@ MTX Group Inc.) Industry Experience Having 9 year of experience in IT Industry and 6 years in Salesforce ecosystem.Started my Salesforce career as Developer and have played various roles like Technical Lead , Technical Architect and Corporate Trainer. Professional Highlights ● Manage Salesforce trainings and certifications. ● Work as Technical Architect / Principal Developer on Projects. ● Hold 5 Salesforce Certifications and 1 Google certification. ● Conducted Training in India, US , Australia and UK. ● Trained 500+ freshers and 300+ lateral folks in Salesforce. ● Trained 800+ students and 250+ faculty members. Email : sahilbatraa@gmail.com Twitter : sahilbatraa18
- 6. Topics covered inSession 3 ● Event Introduction ● Create Custom Events ● Declarative Event Handling ● Attach event listener Programmatically ● Event Propagation ● Communication b/w independent components ● pubsub ● Export Javascript Code Recordings available @ http://bit.ly/lksfvideos
- 7. Working With SalesforceData ● Use base components built on lightning data service ● Use LDS wire adapter and functions. ● Use Apex
- 8. Lightning Data Service ●Build on User Interface API ● Support All Custom & Standard Object supported by User Interface API ● External Objects, Person Accounts and Custom Metadata Types are not included. ● Respect CRUD Access, FLS and Security Setting. ● Components ○ lightning-record-edit-form ○ lightning-record-form ○ lightning-record-view-form
- 9. Lightning Data Service ●Uses wire adapters and functions in lightning/ui*Api ● Apex methods are imported via @salesforce/apex/methodName ● During record change, all component using @wire adapter receive new value if ○ LWC mutates the record. ○ LDS cache expire and @wire reads the record.
- 10. Lightning Data Servicedoes lot of work ● Loads record data progressively , increase performance. ● Cache result on the client ● Invalidate cache entries when dependent Salesforce data and metadata changes. ● Optimize server calls by bulkifying and deduping requests.
- 11. Lightning Base Components ●lightning-record-edit-form → Display editable form ● lightning-record-view-form → Display a read only form ● lightning-record-form → Support edit,view and read only modes.
- 12. Load a Record Demo18 : LoadRecords
- 13. Edit a Record Demo19 : EditRecords
- 14. Create a Record Demo20 : CreateRecords Demo 21 : CreateRecords
- 15. Calling Apex Methods ●Apex Calls ○ @wire ○ imperatively ● Import Apex Method ● To Call Apex Method ○ Wire a property ○ Wire a function ○ Call a method imperatively
- 16. Calling Apex using@wire Demo 22 : WireApexCall
- 17. Calling Apex usingimperative call Demo 23 : ImperativeApexCall
- 18. Refreshapex Demo Demo 24: refreshApex
- 19. Post your Queries@ bit.ly/lwcquery Trailmix on Trailhead for Practice Search for Lightning Web Components in 5 Days
- 20. Coming Up ● 28May - Navigation Services, Aura with LWC interoperability & extra topics. bit.ly/lwcday5 RSVP LWC QUIZ Win Swag