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[index.razor]
<EjsUploader ID="UploadFiles" AutoUpload="false">
<UploaderEvents Success="OnSuccess"></UploaderEvents>
<UploaderAsyncSettings SaveUrl="api/SampleData/Save" RemoveUrl="api/SampleData/Remove"></UploaderAsyncSettings>
</EjsUploader>
@code{
public void OnSuccess(SuccessEventArgs args)
{
var customHeader = args.Response.Headers.Split(new Char[] { '' })[1]; // To split the response header values
var key = customHeader.Split(new Char[] { ':' })[0]; // To get the key pair of provided custom data in header
var value = customHeader.Split(new Char[] { ':' })[1].Trim(); // To get the value for the key pair of provided custom data in header
}
} |
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[SampleDataController.cs]
[HttpPost("[action]")]
public async void Save(IList<IFormFile> UploadFiles)
{
try
{
foreach (var file in UploadFiles)
{
if (UploadFiles != null)
{
var filename = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
filename = hostingEnv.WebRootPath + $@"\{filename}";
if (!System.IO.File.Exists(filename))
{
using (FileStream fs = System.IO.File.Create(filename))
{
file.CopyTo(fs);
fs.Flush();
}
}
else
{
Response.Clear();
Response.StatusCode = 204;
Response.HttpContext.Features.Get<IHttpResponseFeature>().ReasonPhrase = "File already exists.";
}
}
}
Response.Headers.Add("ID", "custom_ID"); // Assign the custom data in the response header.
}
catch (Exception e)
{
Response.Clear();
Response.ContentType = "application/json; charset=utf-8";
Response.StatusCode = 204;
Response.HttpContext.Features.Get<IHttpResponseFeature>().ReasonPhrase = "No Content";
Response.HttpContext.Features.Get<IHttpResponseFeature>().ReasonPhrase = e.Message;
}
} |
