Събитие
Създаване на интелигентни приложения
17.03, 23 ч. - 21.03, 23 ч.
Присъединете се към поредицата срещи, за да изградите мащабируеми AI решения, базирани на реални случаи на употреба с колеги разработчици и експерти.
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This section contains overviews, examples, and background information that will help you understand and use Visual Basic and Language-Integrated Query (LINQ).
Introduction to LINQ in Visual Basic
Provides an introduction to LINQ providers, operators, query structure, and language features.
How to: Query a Database
Provides an example of how to connect to a SQL Server database and execute a query by using LINQ.
How to: Call a Stored Procedure
Provides an example of how to connect to a SQL Server database and call a stored procedure by using LINQ.
How to: Modify Data in a Database
Provides an example of how to connect to a SQL Server database and retrieve and modify data by using LINQ.
How to: Combine Data with Joins
Provides examples of how to join data in a manner similar to database joins by using LINQ.
How to: Sort Query Results
Provides an example of how to order the results of a query by using LINQ.
How to: Filter Query Results
Provides an example of how to include search criteria in a query by using LINQ.
How to: Count, Sum, or Average Data
Provides examples of how to include aggregate functions to Count, Sum, or Average data returned from a query by using LINQ.
How to: Find the Minimum or Maximum Value in a Query Result
Provides examples of how to include aggregate functions to determine the minimum and maximum values of data returned from a query by using LINQ.
How to: Return a LINQ Query Result as a Specific Type
Provides an example of how to return the results of a LINQ query as a specific type instead of as an anonymous type.
Обратна връзка за .NET
.NET е проект с отворен код. Изберете връзка, за да предоставите обратна връзка:
Събитие
Създаване на интелигентни приложения
17.03, 23 ч. - 21.03, 23 ч.
Присъединете се към поредицата срещи, за да изградите мащабируеми AI решения, базирани на реални случаи на употреба с колеги разработчици и експерти.
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Модул
Create a UI that uses data binding in .NET MAUI. - Training
Create a UI with data binding. Your UI automatically updates based on the latest data, while the data updates in response to changes in the UI.
Документация
Learn more about: Introduction to LINQ in Visual Basic
How to: Query a Database by Using LINQ - Visual Basic
Learn more about: How to: Query a Database by Using LINQ (Visual Basic)
Language-Integrated Query (LINQ) - Visual Basic
Learn more about: Language-Integrated Query (LINQ) (Visual Basic)