- Dapper plus thenforeach. Plus limitations and how to install it with NuGet. Query<int>( @"select * from (select 1 as Id union all select 2 union all select 3) as X where Id in @Ids", new { Ids = new int[] { 1, 2, 3 }); Will be translated to: select * from (select 1 as Id union all select 2 union all select 3) as X where Id in . Aug 19, 2025 · Learn how to save 75x faster with Dapper Plus bulk extension methods, master bulk chaining methods, and use asynchronous bulk methods. Learn how to use the simplest and fastest way to upsert rows from a database table without writing any SQL. Directly from the GitHub project homepage: Dapper allow you to pass in IEnumerable and will automatically parameterize your query. To select data from a table or view using Dapper, you need to create an instance of the IDbConnection interface. Dapper Query The primary methods used for selecting data are Query and Query<T> and their async counterparts. Quickly insert multiple rows in a database, Update a list with thousands of entities, or Merge/Upsert your data with ease. Learn more about available querying options. I am facing challenge in maintaining referential integrity between master table and detail table. Learn about Dapper. connection. This includes UPDATING existing rows, INSERTING non-existing rows, and DELETING rows that are not in your data source. However, this method is rarely practical as it mirrors only one Jun 16, 2025 · Learn how to bulk insert and bulk update records in your database to get started with Dapper. Dapper allows you to select a subset of columns in your query results easily. Then you can use the Query<T> or QueryAsync<T> method to execute the SELECT query and store the results in a list of objects. Optimize Dapper saving performance with Dapper Plus Bulk Extensions. BulkInsert, BulkUpdate, BulkDelete, BulkMerge, BulkSynchronize methods So far, we have performed all synchronous operations, but Dapper also provides async versions of all of the primary methods. Then, we’ll show how to use the QueryUnbufferedAsync method from Dapper in a foreach statement using the await keyword and ConfigureAwait method: Aug 19, 2025 · Unlock the power of Dapper Plus by understanding the basics and more advanced topics of this third-party library. dapper documentation: Dynamic ObjectsDynamic objects were first added in C# 4 and are useful in many dynamic scenarios when dealing with JSON objects. Learn what Dapper Plus is, how it works, and all the documentation you need to get started. The Dapper Execute method allows executing SQL statements not returning any results besides the row affected for operations such as insert, update, and delete. The following is the async version of the GetAllAuthors method. That makes it easier to optimize queries for performance and readability, as well as gives you more control over how data is returned from your queries. Aug 19, 2025 · In Dapper Plus, there are four major ways to propagate the key or identity: The ThenForEach method allows you to execute a custom action after a bulk operation has been completed. Dapper Plus - Identity Key Propagation - ThenForEach Method | Test your C# code online with . Let's consider the following example, which returns all the authors based on the ids passed as a parameter. Learn more about how to use transactions, transactions scopes, and more. Dapper supports transactions and allows you to commit/rollback the current transaction. Aug 19, 2025 · The Easiest Way to Save Data: Single Extension Methods (100% Free)The SingleSynchronize and SingleSynchronizeAsync methods are equal to a MIRROR operation; they ensure your table matches your data source exactly. Learn how to use the simplest and fastest way to insert rows from a database table without writing any SQL. Aug 19, 2025 · Unlock the power of Dapper Plus with the BulkInsert method to insert multiple rows from a table. Aug 19, 2025 · Unlock the power of Dapper Plus with the BulkMerge method to insert or update multiple rows from a table. Here is the code. private static void Dapper allows querying one or multiple rows and automatically mapping all the retrieved results to your model type. Follow our step-by-step Dapper tutorial to insert and update data in bulk. They can also be useful when you don't want to write an entire C# class just to match your database table structure. NET Fiddle code editor. Sep 26, 2022 · I am doing bulk insert into a SQL table using Dapper plus. var userName = Envir In this example, we will start by using Dapper Plus to make the setup easier by using the CreateTable method and BulkInsert method. Aug 19, 2025 · Discover Dapper. Plus Library to perform CRUD operations such as BulkInsert, BulkUpdate, BulkDelete, BulkMerge. The difference between Query and Query<T> is May 6, 2025 · Explore the best solution on the market for fast Bulk Inserts in Dapper with Dapper Plus Library. xb 50ab9 hrzb vtn2ctzy zmhz txsamm 01g g05ri 0e0 l3hffkh