NET; shared function and mysql stored procedure; VS2010 doesn't allow temp table in stored procedure; pass table. " How to use Azure Sql Always Encrypted with Dapper ORM? How to save whole DataTable using dapper? Using Dapper to Insert into a Table with Default Values; How do I handle Database Connections with Dapper in. EF code-first approach expects that there is no logic in the database. Dapper Call stored procedure and map result to class I'm calling trying to invoke stored procedure by using Dapper: List of Stored Procedures/Functions Mysql. Web tarafını hızlandırmak için stored procedure’ ler ve cache mekanizmalarında aktif olarak kullandım. Following are the steps to Insert, Update, Delete Data into Database using Stored Procedure Add database, table & sp or use database backup. The CRUD functions are the user interfaces to databases, as they permit users to create, view, modify and alter data. Json, AWS QuickSight, JSON. Follow these steps to return resultset from a stored procedure in Oracle. There is one longstanding problem with them though, although it is possible to send several results to the application from a stored procedure and read them without. Salah satu keuntungan menggunakan Stored procedure dalam aplikasi terdistribusi adalah dapat digunakannya satu perintah CALL pada aplikasi untuk mengerjakan perintah yang sama pada modul program yang berbeda. over 2 years Generated SQL exist square brackets,but mysql does not over 2 years Add Support for Stored Procedures to. NET ORM in MVC. Dapper provides a specific feature to handle that and, if you are in the. We will discuss about how we can combine Dapper. [ spGetModelsForBrand ] @ Id int as select * from Models where BrandId = @ Id. It covers all the features ORMs need, including multi mapping, stored proc support, DbCommand reuse, multiple result sets and so on. Using a stored procedure with input parameters. Entity Framework allows you to use stored procedures to perform predefined logic on database tables. C’è un modo per utilizzare Dapper. No, I did not mean Optimize for Ad Hoc Workloads, I meant statement-level optimization. Dapper also allows fetching multiple data based on multiple inputs. Add a new property to the business object for the description. SQL CREATE VIEW Statement. To start with here are the steps to. INSERT INTO F (Name, Data) VALUES ('a', 0x) UPDATE F SET [DATA]. NET sends and receives input parameters, output parameters, and return values. In this post, I will present a simple implementation of the Action-Confirm Design Pattern in ASP. • Involved in designing and creating Databases, Tables, Views, Stored Procedures. dll but was not handled in user code Additional information: The member CategoryIds of type Dapper. Dapper is a better option. Entity Framework has the ability to automatically build native commands for the database based on your LINQ-to-Entities or Entity SQL queries, as well as build the commands for inserting, updating, and deleting data. Are you comparing Stored Procedures with Dapper? If so, I do not see this as valid comparison. Using a stored procedure with input parameters. Actually Entity Framework is build at the top of ADO. For this article I a Table named Fruits is used which contains FruitId and FruitName columns. 8-ci-712 - Updated Aug 7, 2019 - 1. Mapping data stored in a single row in a database to multiple objects in your object model is quite a common scenario. Learn EF Core - saving-data-bulk-insert by example. NET project we use Entity Framework (EF) (Thanks Microsoft for good product). actually the thing is I have to read a table and stored in JSON array inside the stored procedure in mysql ( how we can achieve this). The Command Object in ADO. NET Data Providers consist of a number of classes used to connect to a data source, execute commands, and return recordsets. If you have a long running stored procedure and you need to set the timeout longer, you can use the SetTimeout() method:. NET data reader. With SQL Server 2008’s table-valued parameters, you can pass a table as a parameter to a stored procedure to update multiple field values in thousands of files. NET ORM工具,不需在專案裡新增DB Table、View或Stored Procuedure定義,只要取得IDbConnection(SqlConnection. Net C#? Show tooltip in Asp. In making the switch to ASP. This can be troublesome if permissions to the (aforementioned) sproc info tables are insufficient. Convert DataTable To Generic List Using LINQ In ASP. // Execute the user defined function or stored procedure and fetch the. Output parameters in stored procedures are useful for passing a value back to the calling T-SQL, which can then use that value for other things. See the complete profile on LinkedIn and discover Asad’s connections and jobs at similar companies. dapper is the micro-ORM for. For the purposes of this tutorial, you will create a simple stored procedure to see how it can be called from MySQL Connector/NET. Do you have a comprehensive list of examples? Dapper has a comprehensive test suite in the test project. MySQL 라이브러리 설치 NuGet으로 설치한다. Note that we will continue using the table "Employee" which we used in the previous tutorial. Sequel Server (T-SQL) - writing of stored procedures. net,model-view-controller,dapper. Today I stumbled into a blog by Rob Howard, which tries to convince the reader that whatever you do, use stored procedures! With tears in my eyes I've read. Now we will see the implementation of Insert Update Delete(crud operations) in MVC 4 using Stored Procedure. Please read my previous article to understand the basics about MVC: ActionResult in ASP. Actually Entity Framework is build at the top of ADO. 0 through the context object using the stored procedure name. net and I need to insert and object and recovery the Id insert in this object. NET MVC 5 Using ADO. It is not going to be runnable from the application, but still, i am concerned, that one of my clients accidentally runs it (i had problems earlier due to the. NET, Multiple execution is a convenient (or maybe not? make sure you read the article until the end!) way to execute the same query multiple times with different parameters values. I'm trying to modify it to accept a date (from the user). Shortly thereafter, I donated the iBATIS name and code to the Apache Software Foundation. com, file must be present on example. This is essentially SQL Server's solution to your problem--passing in a list of values to a stored procedure. Get Stored procedure Expert Help in 6 Minutes. In the past when a query starts to take too long executing through Entity Framework I have replaced it with either a view or a stored procedure, depending on the situation. Perform CRUD operations directly using IDBConnection object. NOTE: The following code assumes that:. It does it fast. To use Dapper, you need to include Dapper in the project. It's a straight to the point reference about connection strings, a knowledge base of articles and database connectivity content and a host of Q & A forums where developers help each other in finding solutions. The CRUD functions are the user interfaces to databases, as they permit users to create, view, modify and alter data. Step 1: Open your sql server and create table called Employee and create procedures for insert,update and delete. • Developed and deployed AIS CMS using best practices such as IoC Container framework, repository pattern with Dapper ORM, MV* patterns on client and server side codes and applied unit tests • Developed stored procedures, tables, materialized views, triggers and sequences in Oracle and MS SQL. To get the output of your stored procedure into a table you use the INSERT statement. #2 - Passing an XML: string as an XML datatype parameter. MySql package can be added to. I have used aliases in the SQL to ensure the columns of the result-set match the properties of the SubCategory class. What is an SQL Injection Cheat Sheet? An SQL injection cheat sheet is a resource in which you can find detailed technical information about the many different variants of the SQL Injection vulnerability. Create a simple asp. Retrieve data from sql server database using Dapper ORM, Stored Procedure in C# Windows Forms. If you have a long running stored procedure and you need to set the timeout longer, you can use the SetTimeout() method:. Dapper is a micro ORM born in 2011. NET developed and used by the stackoverflow team, focusing on raw performance as the primary aim. However, when running the query I get an exception saying. Once compiled, it is a schema object known as a stored procedure or stored function, which can be referenced or called any number of times by multiple applications connected to Oracle Database XE. But, just as I'm writing more code in SQL, I also find that I'm writing more C# code to access the SQL stored procedures I'm writing. NET sends and receives input parameters, output parameters, and return values. To do this, first create a table that will hold the output of the stored procedure. Dapper has no DB specific implementation details, it works across all. In Craig's tutorial, he examines whether it's workable or witchcraft. I was recently asked to create a read-only web API to expose some parts of a system's data model to third party developers. So I have decided to make it very simple. In SQL Server 2000, for example, a stored procedure would be compiled as a whole, so there was no way for the app to reuse a plan for its own ad hoc query that happened to matched something in the procedure. What is MySQL insert? MySQL Insert is a process of inserting information into a MySQL table. Please read my previous article to understand the basics about MVC: ActionResult in ASP. Introduction to SQL CREATE TABLE statement. Below is the complete sql script. com offers free software downloads for Windows, Mac, iOS and Android computers and mobile devices. usp_InsertDepartment to insert records. Retrieve inserted ID with Stored Procedure and @@identity Here's a quick and dirty tut on how to retrieve the just inserted records ID with the use of Stored Procedures in SQL Server using the @@identity function. This tutorial will demonstrate on how to delete a record using Dapper in. NET data reader. Here's a tutorial on how to call stored procedures from Entity Framework 6. How do I know if usp execution was successful? Is there any. In this topic you will learn how to execute Oracle stored procedures that return SYS_REFCURSOR as out parameters. This is by design. ] Stored procedures are one of the worst places to put code. Before working through this tutorial, familiarize yourself with the CREATE PROCEDURE and CREATE FUNCTION statements that create different kinds of stored routines. • Excellent Coding, Debugging & Defect Fixing Skills. Getting started with Dapper. To see the full list of posts, visit the Dapper Series Index Page. The reference Id will be generated from database and it is the combination of the first four letters of the ItemName and Itemid. Transaction. net mvc using dapper. ToString())). second: is there way using ormlite return output parameters within stored procedure call?. Dapper is a better option. For this article I a Table named Fruits is used which contains FruitId and FruitName columns. Working with Dapper The simplest way to use Dapper is to pass an SQL statement or stored procedure name to Dapper's Query extension method. 0 WITH MSSQL(using Dapper) In this example I have used several stored procedures to retrieve some data from the database. Dapper will automatically. developing stored procedures. Table-Valued Function in Entity Framework. To see the full list of posts, visit the Dapper Series Index Page. • Excellent Coding, Debugging & Defect Fixing Skills. I'm using Dapper (thanks Sam, great project. NET data reader. eNews is a bi-monthly newsletter with fun information about SentryOne, tips to help improve your productivity, and much more. The Command Object in ADO. You can assign a value returned by a SELECT statement to a user-defined variable, and then refer to the variable later in your mysql session. Entity Framework has had its ups and downs in my projects. Jul 18, 2017 · 4 min read. Asad has 2 jobs listed on their profile. Some of the table names are identical without the schema so when configuring the Model Generator I would like to be able to either filter by sch. You can call stored procedures from your queries as with any other mysql driver. At present no official provider from MySQL exists for Entity Framework Core which can be used in an ASP. How to handle JSON serialization and deserialization in Dapper? TypeHandlers. An exception of type 'System. net mvc dapper. The support for stored procedure in EF Core is similar to the earlier versions of EF Code first. If, for instance, you only use stored procedures for data access, you can limit your Dapper credentials to only being able to execute certain stored procedures. Potentially breaking Update stored procedure metadata cache to use mysql. Nevertheless, there are times when you might need to make use of database stored procedures, and Entity Framework 6 Code. Typical use for stored procedures include data validation (integrated into the database) or access control mechanisms. Get latest updates/tips/tricks on Dapper by subscribing to our mailing list. To do so, you have to first create the respective table. 0 and later. Database — Indexing, Transactions & Stored Procedures (Part 9) We’ll use MySQL to get an idea on how they can be created, and deleted. May 10, 2017 · Our Sql Server database has multiple schemas/owners. SQL vs NoSQL or MySQL vs MongoDB Stored procedure output parameters or return values Part 20. Very often when we start write some. However, when running the query I get an exception saying. The basic Server Extensions that ship with UltraDev alow you to issue SQL INSERT statements, but only to one table. To do this, first create a table that will hold the output of the stored procedure. Existing database with lots of stored procedure fetching a good amount of records. Write it another way, and you are still vulnerable. C# Dapper For Beginners Using Stored Procedures Select Query Part 7 Khodor Shahimi. I am hoping to layout this technique in a simple way. Object mapper. NET MVC Model Generator. Not your grandfather's ORM. MySQL; Oracle. On some of these SQL, we did record deletion (usually only 1 record), and we just execute it via IDBCommand. Instantiate IDbConnection object; Write query or call stored procedure; Pass the query and the parameters to one of the methods that Dapper provide; Install Dapper. Dapper does the rest. com bi-weekly newsletter keeps you up to speed on the most recent blog posts and forum discussions in the SQL Server community. Is Dapper an ORM? Yes and no! People are still arguing about it. Stored Procedure های اشیایی هستند که در اولین بار کامپایل شده و فرمت آن ذخیره می شود (کد کامپایل شده) و در دفعات بعدی میتوان آن را فراخوانی کرد و این مورد خود باعث افزایش سرعت اجرای آن می شود. C# Mini Project CRUD Insert Update Delete and View Student Profile data from SQL database using ADO. O Dapper, outro Framework de mapeamento objeto-relacional, coloca isso num arquivo de apresentação deles no Github, que pode ser lido aqui. Here Mudassar Ahmed Khan has explained how to use and return value from Stored Procedure using Output Parameter in ASP. Ask Question Asked 7 years, Optimizing MySQL 5. Agora temos que criar as nossas stored procedures ou procedimentos armazenados no banco de dados Clientes. When you use Microsoft Query to set up a data source, you give the data source a name, and then supply the name and the location of the database or server, the type of database, and your logon and password information. Contribute to StackExchange/Dapper development by creating an account on GitHub. Sequel Server (T-SQL) - writing of stored procedures. At present no official provider from MySQL exists for Entity Framework Core which can be used in an ASP. Let's look at an example of how to use the CREATE TABLE statement in SQL Server (Transact-SQL). For example: CREATE TABLE employees ( employee_id INT NOT NULL, last_name VARCHAR(50) NOT NULL, first_name VARCHAR(50), salary MONEY ); This SQL Server CREATE TABLE example creates a table called employees which has 4 columns. View Calin Vlasin’s profile on LinkedIn, the world's largest professional community. SQL Server Stored Procedure. Dapper is a micro-ORM i. This Video tutorial explain How to map stored procedure parameter with Dapper ORM and Insert Records into Database in ASP. The usefulness of a stored procedure as a protective measure has everything to do with how the stored procedure is written. Description: In MySql 5. NET ; Convert DataTable To Generic List In ASP. The second sample demonstrates a more complex stored procedure DA: 57 PA: 25 MOZ Rank: 92. For BLOB and CLOB data types only LOB locators (pointers to data) are stored in table columns; actual BLOB and CLOB data is stored in separate tablespace. Select items by applying parameters To prevent SQL injection, Dapper provide the parameters, similar as using ADO. Provide querying static and dynamic data over database. Potentially breaking Update stored procedure metadata cache to use mysql. Command objects use parameters to pass values to SQL statements or stored procedures, providing type checking and validation. How to use Dapper's new Table Valued Parameter (TVP) in C# - gist:9012616. This MySQL tutorial explains how to use the MySQL INSERT statement with syntax and examples. about 3 years Telling Dapper not to use properties as parameters to create stored procedure; Dapper fails on MySql dapper with AspnetMembership stored. NET MVC with one scenario-based sample MVC application. com To create a new ASP. Keep in mind that when stored procedure is executed with provided DataTime value, it will use time portion as well and it may return different result, depending on what was passed. Database class. 08/12/2019; 2 minutes to read +1; In this article. Helper class to mitigate working with Dapper against SQL Server database The ability to pass different connection string and connection timeout to a query method is still there, but as a rule of thumb you don't want to do that every time. ENUM has limited portability to other DBMS. When you run the sample, you can see a list of POCO product objects returned from a ADO-like command. 0 through the context object using the stored procedure name. Create, retrieve, update and delete (CRUD) refers to the four major functions implemented in database applications. Entity Framework allows you to query using LINQ with your entity classes. Sequelize is a promise-based ORM. I'm gonna change it to a Stored Procedure and execute it elsewhere. So for this purpose we need to take return value from stored procedure which is either string or integer or anything as per application requirement. Step 1: Open your sql server and create table called Employee and create procedures for insert,update and delete. This is the difference to the way that data of LONG or LONG RAW types is stored in database - tables hold their immediate values. But there are still workaround exists in EF Core to execute stored procedures to get the data and for CRUD operations. Choice of static/dynamic object binding. The validator will compile and validate SQL queries to report for syntax errors. EF code-first approach expects that there is no logic in the database. NET solution. Instantiate IDbConnection object; Write query or call stored procedure; Pass the query and the parameters to one of the methods that Dapper provide; Install Dapper. MySql package can be added to. Object mapper. NET Data Providers consist of a number of classes used to connect to a data source, execute commands, and return recordsets. Once compiled, it is a schema object known as a stored procedure or stored function, which can be referenced or called any number of times by multiple applications connected to Oracle Database XE. NET ADO providers including SQLite, SQL CE, Firebird, Oracle, MySQL, PostgreSQL and SQL Server. com bi-weekly newsletter keeps you up to speed on the most recent blog posts and forum discussions in the SQL Server community. Knockout + TypeScript / JavaScript development for front-end Usage of automation tools like ReadyApi Extensive use of RESTful applications. It covers all the features ORMs need, including multi mapping, stored proc support, DbCommand reuse, multiple result sets and so on. When you run the sample, you can see a list of POCO product objects returned from a ADO-like command. net查询返回值 - Return Values from Dapper. There are a few different scenarios to. Convert DataTable To Generic List Using LINQ In ASP. For this article I a Table named Fruits is used which contains FruitId and FruitName columns. In this article, we will learn CRUD operation in ASP. net mvc dapper. Ok, here's where we can really let Dapper flex it's muscles. dll but was not handled in user code Additional information: The member CategoryIds of type Dapper. net and I need to insert and object and recovery the Id insert in this object. Single class ORM is available on NUget. What is an SQL Injection Cheat Sheet? An SQL injection cheat sheet is a resource in which you can find detailed technical information about the many different variants of the SQL Injection vulnerability. Well, thanks to StackOverflow's Dapper, all these fights are finished. Step 2: Create a SQL table with the following columns as shown in the below figure and name it as Department. developing stored procedures. Other Project: Participated in implementation and development of Baraka e-commerce web application using Microsoft ASP. ExecuteReader we call our Stored procedure and execute. 0 through the context object using the stored procedure name. c# dapper mysql stored-procedures. Dapper support the transaction and TransactionScope. We will discuss about how we can combine Dapper. // Execute the user defined function or stored procedure and fetch the. Create a stored procedure with input parameters (one or more) and be sure to use this UDTT for one of the parameters. • Experience in developing DML statements using Dynamically Generated SQL, Ability to write and troubleshoot Stored Procedures, Functions, Tables, Constraints, and Triggers. EntityFrameworkCore. But you can execute an extended stored procedure and call regular stored procedure from it. Stored procedures are not my favorite way to get data from SQL Server but there was a time when they were extremely. A SQL Server stored procedure that you can call is one that contains one or more IN parameters, which are parameters that can be used to pass data into the stored procedure. net query with stored procedure 2013年01月09 - I am trying to call a stored procedure using Dapper. 26, with support for table-valued parameters, further simplifies parameterizing SQL queries. Net, Classic ASP, RAZOR syntax ASP. com To create a new ASP. An exception of type 'System. NET Data Providers consist of a number of classes used to connect to a data source, execute commands, and return recordsets. I do want to point out, mostly to future readers of this post, that dapper does convert those strings to the appropriate SQL data type when executing the SQL stored procedure. Dapper Tutorial Dapper - Execute Description. O Dapper, outro Framework de mapeamento objeto-relacional, coloca isso num arquivo de apresentação deles no Github, que pode ser lido aqui. 6 for unit tests. C# Dapper For Beginners Using Stored Procedures Select Query Part 7 Khodor Shahimi. Menu How to pass an array to a MySQL stored procedure? 06 February 2016 on MySQL, Stored Procedure. , while LINQ to SQL allows you to query and modify only SQL Server database by using LINQ syntax. com helps developers connect software to data. Dapper Tutorial Dapper - Transaction Description. This stored procedure will update the class table and put a 3 in the teacher id field (make sure you’re using valid values. The returned result should be the class I defined based on the result return. You can do this by creating a stored procedures. Stored procedures and functions (subprograms) can be compiled and stored in an Oracle Database XE, ready to be executed. Net using stored procedure (SQL) - Codedump. Dapper Tutorial Dapper What's Dapper? Dapper is a simple object mapper for. A Stored Procedure (SP) provides a callable routine that is stored in the database and can be invoked within an SQL context (for example, by using the CALL statement or via ODBC or JDBC). To get the output of your stored procedure into a table you use the INSERT statement. While Entity Framework is often my go-to tool for data access, I thought this was a good scenario to use Dapper instead. Net; Combination of Stored Procedure and Text Command Type; Search data from SQL database using stored procedure and VB. Please read my previous article to understand the basics about MVC: ActionResult in ASP. It is one of the fastest and simplest around, yet it is very extensible and, above all, well adopted and used. When you run the sample, you can see a list of POCO product objects returned from a ADO-like command. I've got a simple c# console that uses the Dapper ORM to make a call to a local MySql database in order to execute a stored procedure called users. How to Change ActionLink Text Color In ASP. There’s nothing in the documentation and all the examples I found didn’t work. ) to a MySQL stored procedure in order to use it within an IN operator :. Multiple query support. I have been using mysql for a long time (also ms sql server) but during the last 12 months only mysql and I am very very pleased with it - I find it extremely reliable and stable. net and I need to insert and object and recovery the Id insert in this object. A lot of people have reservations about dynamic SQL – it's impossible to read, it's a breeding ground for SQL injection, it leads to plan cache bloat, it defeats the purpose of using stored procedures… Some of these are simply untrue, and some of them are easy to mitigate. 0 is still being baked (Preview 3 is out now!), I thought I'd give the Entity Framework Core 2. MySQL correctly (but confusingly) uses our number input as an internal reference to the first item in the member list (which is actually the value '0'). I have been using mysql for a long time (also ms sql server) but during the last 12 months only mysql and I am very very pleased with it - I find it extremely reliable and stable. over 2 years Generated SQL exist square brackets,but mysql does not over 2 years Add Support for Stored Procedures to. I was recently asked to create a read-only web API to expose some parts of a system's data model to third party developers. Instead, if you are looking for calling Stored Procedure through Dapper, I suggest refer following posts; you can search for even more. username and password. 使用存储过程从Dapper. It does it fast. I´m using dapper with mysql and. The introduction of version 1. The query is hardcoded for testing purposes, usually replaced by a stored procedure Even while hardcoded it still returns null. Other Project: Participated in implementation and development of Baraka e-commerce web application using Microsoft ASP. ) a micro ORM with a DAL and by some reason I'm not able to execute stored procedures with input parameters. Drapper provides extension methods for IDbConnection, so you require an instance of IDbConnection to use Dapper. Simplesmente comparar a execução de uma Stored Procedure com um procedimento inteiro de um ORM não é algo muito justo. Before working through this tutorial, familiarize yourself with the CREATE PROCEDURE and CREATE FUNCTION statements that create different kinds of stored routines. EverSQL Validator is a free online syntax checker for MySQL SQL statements. We apply the insert, update and delete database operations using stored procedure. Dapper is like Rack for databases. Helper class to mitigate working with Dapper against SQL Server database The ability to pass different connection string and connection timeout to a query method is still there, but as a rule of thumb you don't want to do that every time. Funzione e stored procedure in SQL Server. With SqLite scope identity has a different method last_insert_rowid() and we use that to get inserted customer id and assign it to our customer. Map navigation properties in Dapper. ) to a MySQL stored procedure in order to use it within an IN operator :. Then publish this out so it can be used. Other Project: Participated in implementation and development of Baraka e-commerce web application using Microsoft ASP. username and password. No, I did not mean Optimize for Ad Hoc Workloads, I meant statement-level optimization. For the purposes of this tutorial, you will create a simple stored procedure to see how it can be called from MySQL Connector/NET. There are various ways by which you can pass array or multiple values as a single Parameter in a Stored Procedure or a Function: #1 – Passing a CSV: list of strings as a parameter to a (N)VARCHAR datatype parameter, then splitting/parsing it inside the SP or UDF, check here. I typically use stored procedures for all of my data access and Dapper works perfectly with them. In a example service I've the following co. Stored procedures do not come anywhere close to this and are usually the same as just calling any other SQL query as you would when not using an ORM. The validator will compile and validate SQL queries to report for syntax errors. Let's have a look at database tables first. File which you are trying to load must be present in the same host where MySQL server is running. iBATIS Project Team Moving to Google Code. Reply Delete. Is Dapper an ORM? Yes and no! People are still arguing about it. The default value for this column is set to NEWSEQUENTIALID(). (Actually, stored procedures that produce dynamic SQL should always have a @debug parameter and include the line: IF @debug = 1 PRINT @sql. test 。 パスを提供する必要がありますか? はいの場合、ストアドプロシージャを格納する場所はどこですか?. Execute is an extension method which can be called from any object of type IDbConnection. Very often when we start write some. I'm using Dapper (thanks Sam, great project. over 2 years Generated SQL exist square brackets,but mysql does not over 2 years Add Support for Stored Procedures to. Both stored procedures and user-defined functions are created with CREATE FUNCTION statement in PostgreSQL. Both have their own benefits and drawbacks. This can be used in a number of ways. This is ts sql code of table and stored procedure of inserting. stored procedure error; calling AS400 stored procedure from C# application; Stored Procedure in DB2 using VB. This is my first article on CodeProject. Dapper does the rest. Over the years, we have seen Object-Relational-Mappers (ORM) like NHibernate, Entity Framework, Dapper and Peta. Dapper is a high performing micro-ORM, supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird, etc.