Multi file upload using c# on ASP.NET 4.0 environment

Question

I am looking for a solution to upload multiple files (click on browse button, and select multiple files using shift key).

I see several solutions that need to be upl

Answer 1

Set the property "AllowMultiple = true" as below. This property is available for 4.5 framework.

This will allow you to select multiple files at one time

Aspx Code:

Aspx.cs Code:

protected void btnFileUpload_Click(object sender, EventArgs e)
{
    try
    {
        if (file_upload.HasFile && file_upload.PostedFiles.All(x => x.ContentType == "image/jpeg" && x.ContentLength < 102400))
        {
            foreach (var file in file_upload.PostedFiles)
            {
                file_upload.SaveAs(Server.MapPath("~/") + Path.GetFileName(file.FileName));
            }
            lblUploadStatus.Text = "File(s) uploaded successfully.";
        }
        else
        {
            lblUploadStatus.Text = "Please upload proper file.";
        }
    }
    catch (Exception ex)
    {
        lblUploadStatus.Text = "Error in uploading file." + ex.Message;
    }
}