Category Archives: .NET

Entity Framework not saving data to database on context.SaveAsync() while using Autofac

Hi, Recently I was using Entity Framework with a DB first approach in an application and using the Repository pattern with Unit of Work to have easy management of DB operations. So my repository constructor accepted an IDataContext object (IDataContext … Continue reading

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Resolving Azure Data Lake Authorization Issue

Hi, While trying to access Azure Data Lake Store from my application, I encountered the below exception. The client ‘guid’ with object id ‘guid’ does not have authorization to perform action ‘Microsoft.Authorization/permissions/read’ over scope ‘/subscriptions/guid…. Resolution : I realized that … Continue reading

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Resolving “Value does not fall within the expected range” ArgumentException while reporting custom health events in Azure service fabric

Hi, If you’re working with Azure Service Fabric, there are chances you might be using the cluster Health Management APIs provided by SF SDK. And if you’re using those, then you would obviously be posting some custom health events at … Continue reading

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Check if service bus topic/subscription/queue exists with SAS key not having Manage permission

Hi, Consider a scenario where you’ve developed an application health monitoring┬átype system which validates your application at application startup/periodically. Now as part of that if your application uses Azure service bus queues, topics, subscriptions, then it would be good to … Continue reading

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Out parameters in Async methods.

A little while ago, I wanted to have an asynchronous method that returned a string but also populated an integer “out” parameter. So I started writing the method as below // Note: This will give compiler error. private async Task<string> … Continue reading

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Resolving “make sure that the controller has a parameter less public constructor” error in WebAPIs

Hi, If you’re working with WebAPIs and in the your API Controller, you have a constructor that takes parameters which are being injected by Unity or any IoC Container, then there might be a case where you will get the … Continue reading

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Resolving “Not Authorized to Connect” error while running Azure Service Fabric application

Hi, If you’re relatively new to Azure Service Fabric, then there is a chance you might run into this issue wherein you start debugging your service fabric application in Visual Studio 2015 and you run into this exception. “Not Authorized … Continue reading

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