3 Answers 7236 Views. Stack Overflow - Where Developers Learn, Share, & Build Careers kendo.toString (12345678, "##,#") $("#grid").kendoGrid({ The Grid is a powerful control for displaying data in a tabular format. the data.filter.filters collection in the code above may contain a filter or a filter group, so you have to check for that and recursively convert values as appropriate. Edit. kendo grid date format; 3 examples of 'kendo grid date format' in JavaScript. All is well, until I try updating the data source of the grid: It is a simple grid as shown in this link - https://www.telerik.com/kendo-react-ui/components/grid/get-started/