DxUpload.FileUploadError Event

Fires if an error occurs during file upload.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v21.1.dll

Declaration

[Parameter]
public Action<FileUploadErrorEventArgs> FileUploadError { get; set; }

Event Data

The FileUploadError event's data class is FileUploadErrorEventArgs. The following properties provide information specific to this event:

Property Description
FileInfo Returns information about a file. Inherited from FileUploadEventArgs.
RequestInfo Returns information about a request’s response.

Remarks

The FileUploadError event occurs if a file was not uploaded to the server because of an error. If a file was uploaded successfully, the FileUploaded event occurs.

The following snippet handles the FileUploadError event and shows a custom error message that is passed from the server.

<DxUpload Name="myFile" UploadUrl="https://localhost:10000/api/Upload/UploadFile/"
          FileUploadError="@OnUploadError">
</DxUpload>
<div class="alert alert-danger @(ErrorVisible? " visible" : " invisible")">@MyError</div>

@code {
    bool ErrorVisible { get; set; } = false;
    string MyError { get; set; }

    void OnUploadError(FileUploadErrorEventArgs e) {
        MyError = e.RequestInfo.ResponseText;
        ErrorVisible = true;
        InvokeAsync(StateHasChanged);
    }
}

File Upload Error

See Also