To show relationship field values in lightning:datatable

JavaScript Basics for Salesforce

Working with Visual Studio Code along with Salesforce Extension Pack and Sfdx Commands

Calling javaScript function of Visualforce Page from Lightning Component javaScript function

In Lightning javaScript function -


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In Visualforce Page -

too many items selected: 101 salesforce

If you add Multi-Selected field picklist values more than 100 'too many items selected: 101' error will come in Salesforce.
Note: if you are adding 200 values then 'too many items selected: 200' error will come.

Visualforce Products Related List with sorting option by clicking on header

Apex Class -

Visualforce Page -
Reference -
http://salesforcesource.blogspot.com/2008/11/adding-sorting-capability-to.html

Displaying Row data in Column wise fashion in lighitng datatable Salesforce

Please try with the following code -