[C#/COMMON/DAPPER] 복수 INSERT문 실행하기

■ 복수 INSERT문을 실행하는 방법을 보여준다.

▶ SQL Server 테이블 (SQL)


CREATE TABLE dbo.Student
(
    ID         INT          NOT NULL
   ,Name       NVARCHAR(50) NOT NULL
   ,CreateTime DATETIME     NOT NULL
    CONSTRAINT PKStudent PRIMARY KEY CLUSTERED (ID ASC) WITH
    (
        PAD_INDEX              = OFF
       ,STATISTICS_NORECOMPUTE = OFF
       ,IGNORE_DUP_KEY         = OFF
       ,ALLOW_ROW_LOCKS        = ON
       ,ALLOW_PAGE_LOCKS       = ON
    ) ON [PRIMARY]
) ON [PRIMARY]
GO

CREATE TABLE dbo.Student

(

ID INT NOT NULL

,Name NVARCHAR(50) NOT NULL

,CreateTime DATETIME NOT NULL

CONSTRAINT PKStudent PRIMARY KEY CLUSTERED (ID ASC) WITH

(

PAD_INDEX = OFF

,STATISTICS_NORECOMPUTE = OFF

,IGNORE_DUP_KEY = OFF

,ALLOW_ROW_LOCKS = ON

,ALLOW_PAGE_LOCKS = ON

) ON [PRIMARY]

▶ 예제 코드 (C#)


using System;
using System.Data.SqlClient;

using Dapper;

...

/// <summary>
/// 학생
/// </summary>
public class Student
{
    /// <summary>
    /// ID
    /// </summary>
    public int ID { get; set; }

    /// <summary>
    /// 성명
    /// </summary>
    public string Name { get; set; }

    /// <summary>
    /// 생성 일시
    /// </summary>
    public DateTime CreateTime { get; set; }
}

...

string connectionString = "Data Source=127.0.0.1;Initial Catalog=TestDB;UID=sa;PWD=1234;Timeout=30";

using(SqlConnection connection = new SqlConnection(connectionString))
{
    connection.Open();

    List<Student> studentList = new List<Student>();

    for(int i = 1; i < 101; i++)
    {
        studentList.Add(new Student { ID = i, Name = "학생" + i.ToString(), CreateTime = DateTime.Now });
    }

    SqlTransaction transaction = connection.BeginTransaction();

    try
    {
        connection.Execute("INSERT dbo.Student (ID, Name, CreateTime) VALUES (@ID, @Name, @CreateTime)", studentList, transaction);

        transaction.Commit();
    }
    catch
    {
        transaction.Rollback();
    }
}

using System;

using System.Data.SqlClient;

using Dapper;

...

/// <summary>

/// 학생

/// </summary>

public class Student

{

/// <summary>

/// ID

/// </summary>

public int ID { get; set; }

/// <summary>

/// 성명

/// </summary>

public string Name { get; set; }

/// <summary>

/// 생성 일시

/// </summary>

public DateTime CreateTime { get; set; }

}

...

string connectionString = "Data Source=127.0.0.1;Initial Catalog=TestDB;UID=sa;PWD=1234;Timeout=30";

using(SqlConnection connection = new SqlConnection(connectionString))

{

connection.Open();

List<Student> studentList = new List<Student>();

for(int i = 1; i < 101; i++)

{

studentList.Add(new Student { ID = i, Name = "학생" + i.ToString(), CreateTime = DateTime.Now });

}

SqlTransaction transaction = connection.BeginTransaction();

try

{

connection.Execute("INSERT dbo.Student (ID, Name, CreateTime) VALUES (@ID, @Name, @CreateTime)", studentList, transaction);

transaction.Commit();

}

catch

{

transaction.Rollback();

}