Community developer blogs

Darren Johnstone's SharePoint and .Net blog

Recent Posts

• SharePoint Quick Surveys 1.0.5 and catching up…

  Posted: 15 Feb 2009 at 15:32 by darren

  It's been a while since I've posted on this blog. There's been a lot going on around here so I've not really had the time to devote to it. There have been loads of comments posted. Many of the queries I've answered by email but I thought it might be useful to answer the most frequently asked questions here.

• SharePoint Quick Surveys 1.0.4 and CurrentUser.LoginName gotcha

  Posted: 26 Sep 2008 at 12:20 by darren

  I've put a new version (1.0.4) of the SharePoint Quick Surveys web part in the downloads section. This release contains a minor update which allows the web part to correctly work with forms authentication. I had actually assumed that the authentication provider that was used would be transparent to

• Minor updates to the ASP.Net file upload module

  Posted: 18 Sep 2008 at 23:25 by darren

  I've had a few requests for updates to the file upload module. These were mainly to fix some javascript issues. In all, the updates have brought the module up to version 2.0.3, which I have now made available for download The changes are: BUG FIX: when uploads are cancelled or prevented on client si

• SharePoint Quick Surveys 1.0.3 - regionalisation

  Posted: 15 Sep 2008 at 20:59 by darren

  Version 1.0.3 of the SharePoint Quick Surveys web part is now available in the downloads section. The full source code and setup kits are provided as separate downloads. There are a few changes in this release, most noteable of which is that the web part has now been translated into a number of Euro

• javascript proxy for the SharePoint User Profile web service

  Posted: 06 Sep 2008 at 13:33 by darren

  I've updated the javascript API for the SharePoint web services to version 1.0.1. This now includes support for the User Profile web service (/_vti_bin/UserProfileService.asmx) allowing user profiles to be retrieved and updated. The extra proxy is located in the SPAPI_UserProfile.js file.

• ASP.Net File Upload/Download Module v2.0.1

  Posted: 03 Sep 2008 at 15:49 by darren

  A minor update to the file upload module (v2.0.1) has been placed in the downloads area of the site. The following changes are included: BUG FIX: the file name was not always displayed in the progress bar when multiple IFileProcessor implementations were used on the same page. FEATURE: the attribute

• ASP.Net File Upload/Download Module Version 2 (stable)

  Posted: 23 Aug 2008 at 16:21 by darren

  After 3 beta releases and many comments and emails from users it's time to release the first stable version of the ASP.Net file upload module. This release contains a number of bug fixes and feature enhancements based on requests I have received. I have now tested the module on the following browser

• Opera/Mac opacity on file inputs

  Posted: 22 Aug 2008 at 22:19 by darren

  I think this might be the shortest post I've ever written. More a note to myself and anyone else working with Opera 9.5 on the Mac. One of the features of the ASP.Net file upload module is that it allows styling of file inputs using a method found on www.quirksmode.org. This works great on any brows

• WSS 3.0: getting the current user login name via javascript

  Posted: 21 Aug 2008 at 13:27 by darren

  This is just a quick post in response to a question I've had about how to get the current user's login details in WSS 3.0. The answer is really in two parts. Firstly, you can get the ID of the current user from the _spUserId variable which is declared by the welcome control on any page. Next you can

• ASP.Net File Upload/Download Module Version 2 (beta 3)

  Posted: 10 Aug 2008 at 20:42 by darren

  I know it's not been very long since the previous beta of the file upload module, but since I've now finished browser testing and fixed a few issues I thought it would be best to make a new release. So, beta 3 is now available in the downloads section. This version also includes the ability to confi

• ASP.Net File Upload/Download Module Version 2 (beta 2)

  Posted: 05 Aug 2008 at 15:03 by darren

  I've now uploaded beta 2 of the file upload module to the downloads section of the site. A special thanks goes to Dean Brettle who is the author of Neat Upload for his help with this version. Dean contacted me a few days ago and since then we've been talking about how we can work together to improve

• Examples for the SharePoint and Office Live javascript API

  Posted: 22 Jul 2008 at 16:54 by darren

  This post contains a number of examples illustrating the use of the javascript API for SharePoint and Office Live. These examples are intended to demonstrate the core uses of the API for solution developers and show how to use client side script to perform various tasks with the SharePoint web servi

• A javascript API for the SharePoint and Office Live Web Services

  Posted: 22 Jul 2008 at 16:52 by darren

  This article introduces a cross browser javascript library for calling each of the SharePoint and Office Live web services. The libraries make it easer to utilise the power of these services from client side code for various AJAX scenarios or as a means of enhancing Office Live solutions. The classe

• ASP.Net File Upload/Download Module Version 2 (beta 1)

  Posted: 15 Jul 2008 at 20:02 by darren

  Version 2 (beta 1) of the ASP.Net file upload control is now available in the downloads section of this site. Version 2 brings many enhancements over the orignal component including handlers which allow for storage and download of files using SQL Server databases. The previous four posts have outlin

• ASP.Net File Upload Revisited - Part 4, UI and other enhancements

  Posted: 14 Jul 2008 at 17:01 by darren

  This is the fourth and final post intended for users of version 1 of the ASP.Net file upload component. The next release of the component includes a completely rewritten user interface with custom file upload controls in addition to the client side AJAX progress bar. In addition to this the modalbox

• ASP.Net File Upload Revisited - Part 3, Uploading to SQL Server

  Posted: 05 Jul 2008 at 18:54 by darren

  This is the third post of four about version 2 of the ASP.Net file upload component. This post describes a new (and much requested) feature which allows uploaded files to be written into a SQL Server database table in chunks as they are read in. This is accomplished through a custom IFileProcessor i

• ASP.Net File Upload Revisited - Part 2, RFC 1867 Parser

  Posted: 04 Jul 2008 at 18:52 by darren

  This is the second of four posts about the new version of the ASP.Net file upload module. This post concentrates on the new RFC 1867 parser implementation. In this version the parser is more efficient and in tests so far consumes less memory during large file uploads. I thought it would be useful to

• ASP.Net File Upload Revisited - Part 1, IIS 7 Support

  Posted: 03 Jul 2008 at 14:11 by darren

  A while back I posted some code for an HTTP handler and module allowing for large files to be upload in ASP.Net. Since then I've had a great deal of feedback and there seem to be quite a few people using the module in various forms- even more since the license was changed to LGPL from GPL so that it

• Searching SharePoint lists and document libraries with RenderAsHtml

  Posted: 16 Jun 2008 at 17:24 by darren

  This post describes how to create a SharePoint web part which uses the RenderAsHtml method of SPList and SPView to display list data to users. As well as this the article shows how to inject custom CAML queries into the view query and how to overcome some limitations of RenderAsHtml such as expandin

• Using ASP.Net 3.5 to read an RSS feed asynchronously

  Posted: 14 Jun 2008 at 13:20 by darren

  This post shows how to create a custom ASP.Net control which uses the new System.ServiceModel.Syndication namespace in .Net 3.5 to load RSS and ATOM feeds asynchronously via AJAX. The result is a server control and small javascript library that can be used on any ASP.Net page or hosted in a SharePoi