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Achieve File Upload Programmatically in ASP.NET MVC Uploader control

22 Jul 2021 / 1 minute to read

You can upload a file programmatically using upload method. The selected files data, get from getFilesData public method in uploader.

The upload method behaves differently based on its arguments.

  • If this method receives any files as arguments, those files only start to upload.
  • If it has no argument then all the selected files are will start to upload.
razor
dynamic-upload.cs
index.css
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<div class="col-lg-8 control-section">
    <div class="control_wrapper">
        @Html.EJS().Uploader("UploadFiles").AutoUpload(false).AsyncSettings(new Syncfusion.EJ2.Inputs.UploaderAsyncSettings { SaveUrl = "https://ej2.syncfusion.com/services/api/uploadbox/Save", RemoveUrl = "https://ej2.syncfusion.com/services/api/uploadbox/Remove" }).Render()
    </div>
    <span style=' padding-left: 40px; margin-top: 30px'>
        <button id='first' class='e-btn e-control'>Upload 0th File</button>
    </span>
    <span style=' padding-left: 40px; margin-top: 30px'>
        <button id='full' class='e-btn e-control'>Upload All Files</button>
    </span>
</div>

<script>

    window.onload = function () {
        var uploadObj = document.getElementById("UploadFiles").ej2_instances[0];
        document.getElementById('first').onclick = (args) => {
            uploadObj.upload(uploadObj.getFilesData()[0]);
        };

        document.getElementById('full').onclick = (args) => {
            uploadObj.upload(uploadObj.getFilesData());
        };
    }

</script>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace EJ2CoreSampleBrowser.Controllers.TextBoxes
{
    public partial class UploaderController : Controller
    {
        public ActionResult DefaultFunctionalities()
        {
            
            return View();
        }
    }
}
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.control_wrapper {
    max-width: 500px;
    margin: auto;
}

.e-upload {
    width: 100%;
    position: relative;
    margin-top: 15px;
    margin-bottom: 15px;
}

.e-upload-actions {
    display: none;
}

.e-btn {
    text-transform: none;
}

.control_wrapper .e-upload .e-upload-drag-hover {
    margin: 0;
}

You can also explore ASP.NET MVC File Upload feature tour page for its groundbreaking features. You can also explore our ASP.NET MVC File Upload example to understand how to browse the files which you want to upload to the server.