Implement a Loading Indicator Manually
For more information on rendering a loading indicator by using the built-in solution of the Grid, refer to the article on indicating ongoing data operations.
The following example demonstrates how to wrap the Grid and a custom loading overlay element in a common and relatively-positioned container.
The loading element is absolutely positioned. During data operations, it covers the common container and is conditionally displayed through the *ngIf structural directive. When a request for new data is performed, the flag to which the loading element is bound is raised. When the data is received, the flag is dropped.
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