UploadControlExtension.GetUploadedFiles(String, UploadControlValidationSettings, out String[], EventHandler<FileUploadCompleteEventArgs>, EventHandler<FilesUploadCompleteEventArgs>) Method

Returns an array of the files uploaded via the specified UploadControl, and accepts specific parameters.

Namespace: DevExpress.Web.Mvc

Assembly: DevExpress.Web.Mvc5.v26.1.dll

NuGet Package: DevExpress.Web.Mvc5

Declaration

C#

public static UploadedFile[] GetUploadedFiles(
    string name,
    UploadControlValidationSettings validationSettings,
    out string[] errorTexts,
    EventHandler<FileUploadCompleteEventArgs> fileUploadCompleteDelegate,
    EventHandler<FilesUploadCompleteEventArgs> filesUploadCompleteDelegate
)

VB.NET

Public Shared Function GetUploadedFiles(
    name As String,
    validationSettings As UploadControlValidationSettings,
    ByRef errorTexts As String(),
    fileUploadCompleteDelegate As EventHandler(Of FileUploadCompleteEventArgs),
    filesUploadCompleteDelegate As EventHandler(Of FilesUploadCompleteEventArgs)
) As UploadedFile()

Parameters

Name	Type	Description
name	String	A string value specifying the UploadControl’s name (SettingsBase.Name).
validationSettings	UploadControlValidationSettings	A UploadControlValidationSettings object that contains settings that relate to the uploaded file validation.
errorTexts	String[]	An array of strings specifying error explanation texts specific to the uploaded files.
fileUploadCompleteDelegate	EventHandler<FileUploadCompleteEventArgs>	A delegate method that implements custom validation of an uploaded file.
filesUploadCompleteDelegate	EventHandler<FilesUploadCompleteEventArgs>	A delegate method that implements custom validation of all uploaded files.

Returns

Type	Description
UploadedFile[]	An array of UploadedFile objects associated with file input elements.

Remarks

View Example: Upload Control for ASP.NET MVC - How to upload multiple files simultaneously

Razor

@using (Html.BeginForm("UploadControlUpload", "Home")) {
    @Html.DevExpress().UploadControl(settings => {
    settings.Name = "UploadControl";
    settings.ShowUploadButton = true;
    settings.ShowProgressPanel = true;
    settings.AdvancedModeSettings.EnableMultiSelect = true;
    settings.AdvancedModeSettings.EnableFileList = true;
    settings.AdvancedModeSettings.EnableDragAndDrop = true;
    settings.UploadMode = DevExpress.Web.UploadControlUploadMode.Advanced;
    settings.ValidationSettings.Assign(MyUploadControlValidationSettings.Settings);
    settings.ClientSideEvents.FilesUploadComplete = "OnFilesUploadComplete";
}).GetHtml()
}

HomeController.cs

public ActionResult UploadControlUpload() {
    string[] errors;

    UploadedFile[] files = UploadControlExtension.GetUploadedFiles("UploadControl",
        MyUploadControlValidationSettings.Settings, out errors, (s, e) => { },
        UploadControl_FilesUploadComplete);

    return null;
}
public void UploadControl_FilesUploadComplete(object sender, FilesUploadCompleteEventArgs e) {
    UploadedFile[] files = ((MVCxUploadControl)sender).UploadedFiles;

    for (int i = 0; i < files.Length; i++) {
        if (files[i].IsValid && !string.IsNullOrWhiteSpace(files[i].FileName)) {
            string resultFilePath = "~/Content/" + files[i].FileName;
            files[i].SaveAs(System.Web.HttpContext.Current.Request.MapPath(resultFilePath)); 

            string file = string.Format("{0} ({1}KB)", files[i].FileName, files[i].ContentLength / 1024);
            string url = ((IUrlResolutionService)sender).ResolveClientUrl(resultFilePath);

            e.CallbackData += file + "|" + url + "|";
        }
    }
}

UploadControlValidationSettings.cs

public class MyUploadControlValidationSettings {
    public static UploadControlValidationSettings Settings = new UploadControlValidationSettings() {
        AllowedFileExtensions = new string[] { ".jpg", ".jpeg", ".png", ".bmp", ".pdf", ".xml", ".txt", ".rtf", ".docx", ".xls", ".xlsx" },
        MaxFileSize = 4194304
    };
}