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V25.1
  • FileManagerBuilder.OnContextMenuShowing(RazorBlock) Method

    A function that is executed before a context menu is displayed. Mirrors the client-side onContextMenuShowing option.

    Namespace: DevExtreme.AspNet.Mvc.Builders

    Assembly: DevExtreme.AspNet.Core.dll

    Declaration

    public FileManagerBuilder OnContextMenuShowing(
        RazorBlock jsFunc
    )

    Parameters

    Name Type Description
    jsFunc RazorBlock

    The Razor @<text> block that contains JavaScript function code.

    Returns

    Type Description
    FileManagerBuilder

    A reference to this instance after the method is called.

    Remarks

    Use this method to specify a JavaScript handler for the client-side contextMenuShowing event. This handler can be an inline function or an external function’s reference. Function arguments are described in the client API reference.

    Run Demo: File Manager - Toolbar and Context Menu

    @(Html.DevExtreme().FileManager()
        .OnContextMenuShowing("myFileManager_onContextMenuShowing")
    )
    
    <script>
        function myFileManager_onContextMenuShowing(e) {
            // Handler code
        }
    </script>
    

    Refer to Handle Events and Define Callbacks for more information.

    See Also