Seo 192068 react grid column header row selection#574

mercy-orejo wants to merge 2 commits intohotfix/hotfix-v27.2.2syncfusion-content/ej2-react-docs:hotfix/hotfix-v27.2.2from

SEO-192068-React-grid-column-header-row-selectionsyncfusion-content/ej2-react-docs:SEO-192068-React-grid-column-header-row-selectionCopy head branch name to clipboard