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ContextMenuBuilder.OnShowing(String) Method

A function that is executed before the ContextMenu is shown. Mirrors the client-side onShowing option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

#Declaration

C#
public ContextMenuBuilder OnShowing(
    string jsFunc
)

#Parameters

Name Type Description
jsFunc String

An inline or external JavaScript function.

#Returns

Type Description
ContextMenuBuilder

A reference to this instance after the method is called.

#Remarks

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

@(Html.DevExtreme().ContextMenu()
    .OnShowing("myContextMenu_onShowing")
)

<script>
    function myContextMenu_onShowing(e) {
        // Handler code
    }
</script>

Refer to Handle Events and Define Callbacks for more information.

See Also