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V25.1
  • FileManagerBuilder.OnContextMenuShowing(String) 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(
        string jsFunc
    )

    Parameters

    Name Type Description
    jsFunc String

    An inline or external JavaScript function.

    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. Pass the Razor @<text> block that contains the function code to the method. Function arguments are described in the client API reference.

    Run Demo: File Manager - Toolbar and Context Menu

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

    Refer to Handle Events and Define Callbacks for more information.

    See Also