Re: upload file to database with wcf
Sep 10, 2019 Without it, extremely large files can simply overwhelm the service. The default maximum message size is 64 Kb. In the sample binding above, maximum message size is set to 5242880 bytes (= 5 Mb). The larger the maximum message size, the more vulnerable your service becomes to denial of service attacks or simple server overload.
Oct 22, 2012 01:22 AM|Steven Cheng - MSFT|LINK
- The MaxBufferSize property is required to constrain the memory that WCF buffers. It is important to set this to a safe value (or keep it at the default value) when streaming. For example, suppose your service must receive files up to 4 GB in size and store them on the local disk.
- Kendo UI has a nice widget ‘File Upload', by which we can upload a file(or multiple files) from client machine to server side. In this tip, we will try to upload files using WCF service. The task is very much simple with MVC application and controller, but whenever we use WCF service and Kendo File Upload, we have to follow the below steps.
Hi pdassnyc,
I think as long as you've been able to make the uploading from client to webserver (save in a local folder on server) work, then it's quite easy to extend it to database. Fsx autopilot panel addon. What you need is just adding data access code (you can use either raw ADO.NET classes or ADO.NET Entity framework to insert the file data into database tables.
#How to store binary (file) in SQL server using Entity Framework?
http://social.msdn.microsoft.com/Forums/en/sqlgetstarted/thread/1857938d-b74a-4954-bbde-734dfef08039
File Upload Among Us
As for the WCF service part, you can use standard SOAP xml based service which use byte[] parameter to carry the file content. The advantage is that you can just 'add serviceReference' at client and upload the file via standard wcf service operation call. The drawback is that 'byte[]' type data (input parameter or return value) will be converted to text via base 64 encoding which will significantly increase the message size.
Instead of standard SOAP xml based service (via basicHttpBinding), you can also consider building your WCF service as a REST service (via webHttpbinding). thus, you can define input parameter as 'System.IO.Stream' type. through the 'Stream' type parameter, you can send any arbitrary format data (xml, binary, multi-part form, etc..) you want. Here are some reference about using WCF REST service for submitting binary data (including file uploading sample)
Wcf File Upload Limit Windows 10
#How to: Create a Service That Accepts Arbitrary Data using the WCF REST Programming Model
http://msdn.microsoft.com/en-us/library/cc656724.aspx
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#Uploading File to server from ASP.Net client using WCF REST Service
http://debugmode.net/2011/05/01/uploading-file-to-server-from-asp-net-client-using-wcf-rest-service/
#WCF service to accept a post encoded multipart/form-data
http://stackoverflow.com/questions/1354749/wcf-service-to-accept-a-post-encoded-multipart-form-data
