FileDataDownloader.DownloadCore(IFileData) Method

Writes the file stored within the specified IFileData object to the response and ends the response.

Namespace: DevExpress.ExpressApp.FileAttachments.Web

Assembly: DevExpress.ExpressApp.FileAttachment.Web.v19.1.dll

Declaration

C#

public virtual void DownloadCore(
    IFileData fileData
)

VB.NET

Public Overridable Sub DownloadCore(
    fileData As IFileData
)

Parameters

Name	Type	Description
fileData	IFileData	An IFileData object that stores a file to download.

Remarks

To execute custom code when a file is downloaded, inherit the FileDataDownloader class and override the DownloadCore method.

C#

public class MyDownloader : FileDataDownloader {
        public override void DownloadCore(DevExpress.Persistent.Base.IFileData fileData) {
        // Place your code here.
        base.DownloadCore(fileData);
    }
}

VB.NET

Public Class MyDownloader
    Inherits FileDataDownloader
        Public Overrides Sub DownloadCore(ByVal fileData As DevExpress.Persistent.Base.IFileData)
        ' Place your code here.
        MyBase.DownloadCore(fileData)
        End Sub
End Class