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.NET Framework (pronounced dot net) is a software framework developed by Microsoft that runs primarily on Microsoft Windows.

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Article Joan-Baptista Fabregas · Dec 8, 2025 4m read

Scripting with .Net core 10 and Iris SDK

One of the newest features of .Net core 10 with C# 14 is the file-based apps. This feature allows you to execute C# code in a simple .cs file without the need to create a solution, a project, or any of the related structure.

For example you can create a script.cs file using the notepad with the content: 

Console.WriteLine(“This is a script in c#.”);

Then in the command line or the terminal you execute the command:

dotnet run script.cs

There is plenty of information about this new feature of .net 10.

#InterSystems IRIS #.NET #Code Snippet
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Question Julian Matthews · Dec 31, 2025

Examples of using External Language Server for Dotnet

Hey everyone.

I have been taking a look at the External Language Server functionality to hook into some Dotnet functions, and I am hitting a bit of a wall.

Based on the example in the documentation here I can get the same result doing:

ENV>Set$System

However, if I then try another system class, I get an error:

ENV>

(don't judge the method choice, I know it's not supposed to do anything except return what's being passed in. Just seemed like a safe choice)

It feels like I'm missing an obvious step here.

#InterSystems IRIS for Health #.NET
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Question Leigh Burns · Jan 2

Accessing %Collection.ListOfObj within .NET using the Native SDK

I am migrating from HealthShare 2015 to Health Connect 2025 as part of an infrastructure upgrade. We have several C# .NET Razor web apps that interact with HealthShare using the InterSystems.Data.CacheClient assembly, and the Cache Object Binding Wizard for .NET to build the C# proxy classes. This has worked flawlessly for about 6 years.

I am now switching to using the Native SDK with the InterSystems.Data.IRISClient assembly and using the C# IRISReference and IRISObject

#InterSystems IRIS for Health #.NET
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Announcement Evgeny Shvarov · Sep 23, 2025

Technology Bonuses for InterSystems .Net, Java, Python, and JavaScript Contest

Hi Developers!

Here are the technology bonuses for the InterSystems .Net, Java, Python, and JavaScript Contest that will give you extra points in the voting:

  • XEP API for Java, .NET - 2
  • Native SDK for Java, .NET, Python, node.js  - 2
  • PEX Interoperability for Java, .NET, Python - 3
  • Java persister - 2
  • ADONET and .
#IRIS contest #.NET #Contest #Java #Node.js #Python
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Question Mark Lierman · Jul 18, 2025

Error when connecting via CacheExtreme

I'm following this guide as well as the sample.cs file and getting an error message on this line
cache_connection.Connect();

The error is:
Caught GlobalsException: lc_conn::connect_device returned Db_err: source: lc_conn::connect()  message: lc_conn::connect: CacheSecureStart returned -15: <ACCESSDENIED>

I've tried many variations of Namespace + Username + Password and they all result in that error, even though I can connect to the namespace just fine using other means. 

#Caché #.NET
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