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

csharp

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

Razor C#

cshtml

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

Refer to Handle Events and Define Callbacks for more information.