Data Table in LWC | Lightning Data table with Data in LWC | Lwc tutorial 24

Dear salesforce Developers in this video Learn how to :
1) Add Columns in Lightning data table
2) What is Lightning Data Table
3) how to add data to Lightning Data table in lwc.
Learn how to add Columns Lightning data Table : • Data Table in LWC | Li...

[@Mahesh-nx9bo]

how to add newly created data has name starts with H will add in specific row?