Latest · Jul 30, 2026
CSOM vs SharePoint REST vs Graph: My Pick-One Playbook
Learn when to use CSOM, SharePoint REST or Microsoft Graph for SharePoint work, and which operations each one silently refuses to do.
The Archive
Every post - war stories from .NET, Azure, Microsoft Graph and SharePoint projects.
PnP Core vs PnP.Framework: Why I Haven't Switched Yet
Learn why I'm still on PnP.Framework instead of PnP Core, the two blockers holding the migration back, and what has to land before I make the jump.
#sharepoint
F12 Shows Your API Key: Hiding Third-Party Tokens Behind an Azure Function
Learn how to keep third-party API keys out of the browser by proxying SPFx web part calls through an Azure Function that swaps in the secret server-side.
#sharepoint
Provision Forward, Never Backward: Checkpointing Durable Functions
Learn how to checkpoint a Durable Functions orchestration so a failed SharePoint provisioning run resumes where it stopped instead of starting over.
#sharepoint
Durable Functions: A Function That Sleeps for a Week
Learn what Azure Durable Functions are and what they can do, using a SharePoint site provisioning workflow as a real-world example.
#azure-functions
Stop Re-Downloading Unchanged Blobs: Let Azure Answer 304 for You
Learn how to forward the browser's If-None-Match header to Azure Blob Storage with BlobRequestConditions, so unchanged files never leave storage at all.
#csharp
One Endpoint, Whole Website: Serving a Static Site Through an Azure Function
Learn how a single Azure Function with a catch-all route can proxy an entire static website out of a private Blob Storage container, with auth in front of every file.
#csharp
Your Add-in Gets a Free Folder in Everyone's OneDrive (Use It)
Learn how to store Outlook add-in user preferences in the OneDrive App Folder via the Graph approot endpoint, so settings roam across every device.
#microsoft-graph
Same Email, Different Source: Falling Back to Microsoft Graph on Outlook Mobile
Learn how to fall back to the Microsoft Graph MIME endpoint when getAsFileAsync isn't available in Outlook on mobile, so your add-in keeps working everywhere.
#microsoft-graph
There's No Popup on a Phone: Nested App Auth for Outlook Add-ins
Learn how to get MSAL tokens inside Outlook on mobile with Nested App Auth (NAA), from the brk-multihub redirect URI to acquireTokenSilent with a loginHint.
#authentication
The SharePoint CSOM Performance Playbook: Stop Paying for Wasted API Calls
Learn how to speed up SharePoint CSOM with five proven techniques - batching, CAML joins, change detection, server-side exception handling, and fast taxonomy loading.
#sharepoint
Why My Outlook Add-in Lies About Its Version (And Yours Should Too)
Learn why declaring a low Mailbox requirement set in your Outlook add-in manifest is the key to mobile support, and how to feature-detect newer APIs at runtime.
#outlook-add-ins
One Big PnP Template or Many Small Ones?
After testing with DevProxy, I found that monolithic PnP templates silently destroy your retry strategy. Here's what I learned.
#sharepoint
SharePoint News Links via Graph SDK: Filling in the Gaps the Docs Left Behind
Learn how to create SharePoint News Link pages with a banner image using the Microsoft Graph Beta SDK in C# — including the multipart upload the official documentation leaves completely undocumented.
#sharepoint
Stop Spamming Your Users: Create Microsoft 365 Groups Without Welcome Emails
Learn how to create Microsoft 365 groups programmatically with the Graph SDK in C# without sending a welcome email flood to every member.
#sharepoint
CSOM Performance: Fast Taxonomy Loading for SharePoint List Items with Many Terms
An undocumented but effective approach to dramatically speed up CSOM taxonomy field loading when dealing with SharePoint list items that have many terms.
#sharepoint
SharePoint CSOM: Prevent Unnecessary Updates and API Calls
The SharePoint API call that wasted resources is now optimized with smart change detection, reducing unnecessary updates and costs.
#sharepoint
SharePoint's Server-Side Try-Catch: ExceptionHandlingScope
Discover how SharePoint's ExceptionHandlingScope can optimize your API calls, reduce costs, and enhance performance with server-side exception handling.
#sharepoint
Optimize SharePoint Webhooks: Debouncing User Actions
Learn how to effectively debounce SharePoint webhooks to optimize performance and reduce unnecessary operations when users frequently click save.
#sharepoint
Stop Retrying Everything: Smart Graph Batch Retry Logic
Learn smart retry logic for Microsoft Graph batching to optimize API calls, reduce throttling, and enhance user experience.
#sharepoint
Graph Batching for File Content: Mapping Requests to Responses
How to handle Graph batching when downloading file content and mapping responses back to original requests
#sharepoint
CSOM Performance Optimization: Why You Should Batch Your SharePoint Operations
Learn how to dramatically improve CSOM performance by batching operations instead of executing them one by one
#sharepoint
DevProxy: How to Test API Rate Limiting and Throttling in C# Development
Discover how to simulate Microsoft Graph and SharePoint throttling locally using DevProxy, and prevent production slowdowns before they happen.
#sharepoint
Efficient Multi-List Queries in CSOM: Using CAML Joins with CAMLEX
Learn how to efficiently query multiple SharePoint lists using CAML joins instead of multiple API calls to avoid throttling
#sharepoint
Microsoft Graph SDK Authentication in C#: Quick Start Guide
Quick setup guide for Microsoft Graph SDK using your existing app registration
#sharepoint
PnP.Framework Authentication in C#: A Beginner's Guide
Learn to authenticate C# applications with PnP.Framework and Azure using certificates in this beginner's guide to app registration and permissions.
#sharepoint
Export files as zip from SharePoint
Download files from SharePoint as a zip, as is possible through the UI
#sharepoint
Update list to use content type
We've all tried creating a SharePoint list without using Content Types from the start. It seems like the quick solution, but it can lead to challenges later when restructuring the list. This post explains why using Content Types from the beginning is a smart move that can save time and hassle in the long run.
#sharepoint
Web Api logging attribute
Implement logging only with a attribute on each method in a controller
#csharp
SQL save changes w. trigger
Easiest way to keep track of which changes have been made to an object, and likewise, who has carried out these changes.
#csharp
EF for SharePoint
#sharepoint
No posts match — try another search or tag.