Karen Payne

Microsoft MVP x 12, Microsoft TechNet author, Code magazine author, developer advocate. Have a passion for driving race cars.

Oregon, USA Joined on Jan 1, 2023

Education

Montgomery Community College

Pronouns

She, her

Work

Contractor

Pinned

Karen Payne

Mar 25 '23

EF Core 7: Json columns

#dotnetcore #csharp #database

9 min read

Karen Payne

Mar 4 '23

Working with the using directive in C#

#dotnetcore #csharp #codenewbie

4 min read

Cover image for ASP .NET Core hide query string parameters

Karen Payne

Sep 28

ASP .NET Core hide query string parameters

#csharp #tutorial #dotnet #webdev

5 min read

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Karen Payne

Sep 20

EF Core prototyping

#csharp #dotnetcore #database

2 min read

Cover image for C# partial keyword usage

Karen Payne

Sep 12

C# partial keyword usage

#csharp #dotnetcore #devops

4 min read

Cover image for ASP.NET Core show/hide password

Karen Payne

Aug 31

ASP.NET Core show/hide password

#webdev #frontend #dotnetcore

5 min read

Cover image for Create C# nested files in Visual Studio

Karen Payne

Aug 22

Create C# nested files in Visual Studio

#csharp #ai #tutorial

3 min read

Cover image for ASP .NET Core startup validation part 3

Karen Payne

Aug 10

ASP .NET Core startup validation part 3

#csharp #dotnetcore #web #tutorial

2 min read

Cover image for C# Excel sortable headers

Karen Payne

Aug 3

C# Excel sortable headers

#csharp #dotnetcore #coding #backend

5 min read

Cover image for Visual Studio custom project templates

Karen Payne

Jul 28

Visual Studio custom project templates

#csharp #dotnetcore #productivity

4 min read

Cover image for Visual Studio shared user secrets

Karen Payne

Jul 20

Visual Studio shared user secrets

#csharp #dotnetcore #devops #security

3 min read

Cover image for VS2022 IEnumerable visualizer

Karen Payne

Jul 6

VS2022 IEnumerable visualizer

#csharp #dotnetcore #chatgpt #microsoft

3 min read

Cover image for Serilog IDestructuringPolicy

Karen Payne

Jul 4

Serilog IDestructuringPolicy

#csharp #dotnetcore #tutorial #api

4 min read

Cover image for Get user secrets for projects

Karen Payne

Jun 29

Get user secrets for projects

#csharp #dotnetcore #ai

4 min read

Cover image for GitHub Copilot: Use prompt files for Visual Studio

Karen Payne

Jun 22

GitHub Copilot: Use prompt files for Visual Studio

#ai #csharp #dotnetcore #microsoft

4 min read

Cover image for FluentValidation Rule Sets

Karen Payne

Jun 15

FluentValidation Rule Sets

#testing #csharp #dotnetcore

2 min read

Cover image for EF Core DbContextOptionsBuilder

Karen Payne

Jun 15

EF Core DbContextOptionsBuilder

#csharp #dotnetcore #softwaredevelopment #ai

4 min read

Cover image for C# Override Records ToString

Karen Payne

Jun 9

C# Override Records ToString

#csharp #dotnetcore #development

3 min read

Cover image for VS2022 External tools in toolbar

Karen Payne

Jun 7

VS2022 External tools in toolbar

#ai #csharp #tooling

2 min read

Cover image for Import specific properties from JSON

Karen Payne

Jun 1

Import specific properties from JSON

#csharp #dotnetcore #coding

2 min read

Cover image for Using Copilot agent in Visual Studio

Karen Payne

May 26

Using Copilot agent in Visual Studio

#csharp #githubcopilot #ai #tutorial

12 min read

Karen Payne

Apr 27

EF Core 9 mask data

#c #dotnetcore #development #backend

4 min read

Karen Payne

Apr 25

EF Core seeding data

#csharp #dotnetcore #database #softwaredevelopment

3 min read

Cover image for ASP .NET Core IOptionsMonitor Onchange

Karen Payne

Apr 19

ASP .NET Core IOptionsMonitor Onchange

7 min read

Cover image for Bootstrap 5 dialogs for ASP .NET Core/C# using ChatGPT

Karen Payne

Apr 6

Bootstrap 5 dialogs for ASP .NET Core/C# using ChatGPT

#csharp #ai #dotnetcore #tutorial

6 min read

Cover image for ChatGPT custom GPT and C#

Karen Payne

Mar 30

ChatGPT custom GPT and C#

#csharp #dotnetcore #ai #database

6 min read

Cover image for ASP .NET Core startup validation part 2

Karen Payne

Mar 23

ASP .NET Core startup validation part 2

#csharp #dotnetcore #tutorial #architecture

4 min read

Cover image for Using Key-per-file configuration provider

Karen Payne

Mar 22

Using Key-per-file configuration provider

#csharp #dotnetcore #tutorial

3 min read

Cover image for Extend ConfigurationBuilder

Karen Payne

Mar 15

Extend ConfigurationBuilder

#csharp #dotnetcore #tutorial #programming

8 min read

Cover image for SQL-Server database table row count

Karen Payne

Feb 24

SQL-Server database table row count

#csharp #dotnetcore #database

3 min read

Cover image for EF Core Database/Tables exists

Karen Payne

Feb 23

EF Core Database/Tables exists

#csharp #dotnetcore #database

4 min read

Cover image for Serilog filter log files by type

Karen Payne

Feb 10

Serilog filter log files by type

#csharp #dotnetcore #softwaredevelopment #codenewbie

4 min read

Karen Payne

Feb 2

EF Core HasData

#csharp #dotnetcore #database #codenewbie

9 min read

Cover image for Diverse AI tools used for the C# developer

Karen Payne

Jan 19

Diverse AI tools used for the C# developer

#ai #csharp #softwaredevelopment #database

11 min read

Karen Payne

Jan 12

Working with interfaces

#dotnetcore #csharp #api

19 min read

Karen Payne

Dec 22 '24

Iterations

#csharp #dotnetcore #devops #database

6 min read

Cover image for NET 9 BinaryFormatter migration paths

Karen Payne

Nov 30 '24

NET 9 BinaryFormatter migration paths

#csharp #dotnetcore #security

6 min read

Karen Payne

Nov 24 '24

Hidden NET 9 gems

#csharp #dotnetcore #learning

5 min read

Cover image for Visual Studio package security

Karen Payne

Nov 24 '24

Visual Studio package security

#dotnetcore #security #cybersecurity

4 min read

Cover image for C# Search by multiple strings

Karen Payne

Nov 17 '24

C# Search by multiple strings

#csharp #dotnetcore #programming

4 min read

Karen Payne

Nov 16 '24

Window Forms Dark mode

#csharp #dotnetcore #frontend

5 min read

Karen Payne

Nov 11 '24

NET6 - C# DistinctBy

#csharp #dotnetcore #learning #coding

6 min read

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Karen Payne

Nov 9 '24

List all Visual Studio solutions

#csharp #dotnetcore #tutorial #learning

7 min read

Cover image for Storing passwords safely (C#)

Karen Payne

Nov 3 '24

Storing passwords safely (C#)

#csharp #dotnetcore #webdev #security

6 min read

Karen Payne

Oct 27 '24

Regex timeout - C#

#csharp #dotnetcore #webdev

6 min read

Cover image for C# System.Text.Json JsonConverter masking

Karen Payne

Oct 26 '24

C# System.Text.Json JsonConverter masking

#csharp #dotnetcore #backend #coding

6 min read

Cover image for EF Core raw queries (C#)

Karen Payne

Oct 19 '24

EF Core raw queries (C#)

#csharp #dotnetcore #database #data

5 min read

Cover image for ASP.NET Core unassociated input fix

Karen Payne

Oct 7 '24

ASP.NET Core unassociated input fix

#webdev #dotnetcore #css #ui

2 min read

Karen Payne

Sep 29 '24

Spectre.Console helpers

#csharp #dotnetcore #frontend #design

7 min read

Cover image for C# different way to do a proof of concept

Karen Payne

Sep 15 '24

C# different way to do a proof of concept

#csharp #dotnetcore #tutorial #codenewbie

8 min read

Karen Payne

Sep 8 '24

Bogus DateOnly/TimeOnly

#csharp #dotnetcore #tutorial #development

6 min read

Cover image for Learn FormattableString (C#)

Karen Payne

Sep 2 '24

Learn FormattableString (C#)

#csharp #dotnet #dotnetcore #tutorial

7 min read

Cover image for EF Core queries for unmapped types part 1

Karen Payne

Sep 2 '24

EF Core queries for unmapped types part 1

#csharp #database #dotnetcore #backend

3 min read

Cover image for Source-generated RegEx (C#)

Karen Payne

Aug 24 '24

Source-generated RegEx (C#)

#csharp #dotnetcore #tutorial #coding

3 min read

Cover image for NodaTime – time offsets C#

Karen Payne

Aug 17 '24

NodaTime – time offsets C#

#csharp #dotnetcore #codenewbie

5 min read

Cover image for Model Notification changed C#

Karen Payne

Aug 17 '24

Model Notification changed C#

#csharp #dotnetcore #tutorial

5 min read

Cover image for Visual Studio/Copilot # tip

Karen Payne

Aug 11 '24

Visual Studio/Copilot # tip

#csharp #dotnetcore #tutorial #productivity

4 min read

Cover image for ASP.NET Core DI constructor with parameters

Karen Payne

Aug 10 '24

ASP.NET Core DI constructor with parameters

#csharp #dotnetcore #tutorial #softwaredevelopment

4 min read

Karen Payne

Aug 4 '24

Push your skills Part 2

#beginners #csharp #dotnetcore #development

7 min read

Cover image for GitHub Copilot for learning

Karen Payne

Aug 2 '24

GitHub Copilot for learning

#csharp #dotnetcore #dotnet #tutorial

6 min read

Cover image for C# Dealing with duplicates

Karen Payne

Jul 21 '24

C# Dealing with duplicates

#csharp #dotnetcore #coding

7 min read

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Karen Payne

Jul 7 '24

Developer's format helpers

#csharp #dotnetcore #productivity #codenewbie

3 min read