How To Upload Large File using postman |Web API to upload Large files |Tutorial in Urdu & English

Video Link: 

https://www.youtube.com/watch?v=yhz8DiPa7HU

Copy this code in your Controller : 

--------------------------------------------------------------------------------------------------------

[HttpPost]

        public async Task<bool> Upload()

        {

            try

            {

                var fileuploadPath = ConfigurationManager.AppSettings["UploadFile"];

                var provider = new MultipartFormDataStreamProvider(fileuploadPath);

                var content = new StreamContent(HttpContext.Current.Request.GetBufferlessInputStream(true));

                foreach (var header in Request.Content.Headers)

                {

                    content.Headers.TryAddWithoutValidation(header.Key, header.Value);

                }

                await content.ReadAsMultipartAsync(provider);

                string uploadingFileName = provider.FileData.Select(x => x.LocalFileName).FirstOrDefault();

                string originalFileName = String.Concat(fileuploadPath, "\\" + (provider.Contents[0].Headers.ContentDisposition.FileName).Trim(new Char[] { '"' }));

                if (File.Exists(originalFileName))

                {

                    File.Delete(originalFileName);

                }

                File.Move(uploadingFileName, originalFileName);

                return true;

            }

            catch (Exception)

            {

                return false;

            }

        }

--------------------------------------------------------------------------------------------------------

Web.Config : 

App setting Tag:

<appSettings>

    <add key="webpages:Version" value="3.0.0.0"/>

    <add key="webpages:Enabled" value="false"/>

    <add key="ClientValidationEnabled" value="true"/>

    <add key="UnobtrusiveJavaScriptEnabled" value="true"/>

    <add key="UploadFile" value="C:\Users\hdcsa\source\repos\WebApplication6\WebApplication6\Content\UploadedFiles"/>

  </appSettings>

Web Server Tag:

 <system.webServer>

    <handlers>

      <remove name="ExtensionlessUrlHandler-Integrated-4.0"/>

      <remove name="OPTIONSVerbHandler"/>

      <remove name="TRACEVerbHandler"/>

      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler"

        preCondition="integratedMode,runtimeVersionv4.0"/>

    </handlers>

    <security>

      <requestFiltering>

        <requestLimits maxAllowedContentLength="1220933000"/>

      </requestFiltering>

    </security>

  </system.webServer>