So, I am trying to send IFormFile type data present in a modal class from a c# client to the web api in Asp.net core. Here is the code for my modal

public class EmployeeRequestModel
    {
        public string empName { get; set; }
        public string location { get; set; }
        public IFormFile imageFile { get; set; }
   }

and this is how my API looks like in Asp.Net Core

[HttpPost]
        [ProducesResponseType(StatusCodes.Status201Created)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        public IActionResult Post([FromForm]EmployeeRequestModel requestModel)
        {
        }

and i am calling this API from my c# client like this,

var modal = new[]
            {
                new KeyValuePair<string, string>("empName",model.empName),
                new KeyValuePair<string, string>("location",model.location),
                 new KeyValuePair<string, IFormFile>("location",model.imageFile),
            };
            var response = await _httpClient.PostAsync(baseUrl, new FormUrlEncodedContent(modal));

but this is not working since it only accepts key value pair of type<string,string> and not IFormFile, So, How can i send IFormFile in this scenario ??

CodePudding user response：

ok,I have fixed the issue with MultipartFormDataContent class, so it allowed me to send IFormFile to the Web API alongside other data types, this is how i fixed it,

           MultipartFormDataContent form = new MultipartFormDataContent();
            HttpContent content = new StringContent("imageFile");
            form.Add(content, "imageFile");
            var stream = new FileStream("D:\\ang\\licensed-image.jpg", FileMode.Open);
            model.imageFile = new FormFile(stream, 0, stream.Length, "name","test");
            content = new StreamContent(stream);
            content.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
            {
                Name = "imageFile",
                FileName = model.imageFile.FileName
            };

            form.Add(new StringContent(model.empName),"empName");
            form.Add(new StringContent(model.location),"location");
            form.Add(content);
            var response = await _httpClient.PostAsync(baseUrl, form);