PopupBuilder.OnShowing Method

aspnetcore-devextreme-dot-aspnet-dot-mvc-dot-builders-dot-popupbuilder-dot-onshowing.md

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Name	Parameters	Description
OnShowing(RazorBlock)	jsFunc	A function that is executed before the UI component is displayed. Mirrors the client-side onShowing option.
OnShowing(String)	jsFunc	A function that is executed before the UI component is displayed. Mirrors the client-side onShowing option.