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RemoteFileSystemProviderBuilder.BeforeAjaxSend(String) Method

Specifies a function that customizes an Ajax request before it is sent to the server. Mirrors the client-side beforeAjaxSend option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

#Declaration

C#
public RemoteFileSystemProviderBuilder BeforeAjaxSend(
    string jsFunc
)

#Parameters

Name Type Description
jsFunc String

An inline or external JavaScript function.

#Returns

Type Description
RemoteFileSystemProviderBuilder

A reference to this instance after the method is called.

#Remarks

Use this method to specify a JavaScript handler for the client-side beforeAjaxSend 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().FileManager()
    .FileSystemProvider(provider => provider.Remote()
        .BeforeAjaxSend("myFileManager_onBeforeAjaxSend")
)

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

Refer to Handle Events and Define Callbacks for more information.

Run Demo: File Manager - Overview Demo

See Also