partition-key

Cosmos DB partition key definition and mismatches

Databases Cosmos DB DeleteItemAsync 404: Partition Key Fix

Fix Azure Cosmos DB DeleteItemAsync returning 404 Resource Not Found despite successful queries. Learn partition key mismatches, query projections, C# SDK fixes, and verification steps for iothub container deletes by date range.

#azure
#cosmos-db
#c-sharp
#deleteitemasync
#partition-key

1 answer• 1 view

01/31/2026, 03:48 PM