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C# Filter a dictionary

By Tan Lee Published on Jan 21, 2025 631

The simplest way to filter a dictionary is by using the LINQ Where() and ToDictionary() methods.

C# Remove items from dictionary

By Tan Lee Published on Jan 21, 2025 323

Dictionaries store key/value pairs. To remove one or more items from a dictionary, you can use the following methods:

C# Get value from dictionary

By Tan Lee Published on Jan 21, 2025 348

Dictionaries store key/value pairs. To retrieve the value associated with a specific key, you can use the indexer syntax by providing the key, like this:

How to check if another form is open

By Tan Lee Published on Jan 21, 2025 405

When developing a Windows Forms application in C#, you might need to check whether a form is already open.

How to convert byte array to an object in C#

By Tan Lee Published on Oct 28, 2024 1.09K

To convert a byte array back to an object in C#, you can use deserialization.

How to Monitor data change using SqlDependency in C#

By Tan Lee Published on May 25, 2024 17.41K

To detect changes in a SQL Server database using SqlDependency in a C# Windows Forms Application, you need to follow these steps.

A Left Join in C# LINQ is used to combine two data sources based on a common key, ensuring that every element in the first (left) data source is included in the result set, even if there is no corresponding element in the second (right) data source.