방법: EntityConnection 연결 문자열 작성
이 항목에서는 EntityConnection을 작성하는 방법에 대한 예제를 제공합니다.
이 예제의 코드를 실행하려면
프로젝트에 AdventureWorks Sales 모델을 추가하고 Entity Framework를 사용하도록 프로젝트를 구성합니다. 자세한 내용은 방법: 엔터티 데이터 모델 마법사 사용을 참조하세요.
애플리케이션의 코드 페이지에서 다음
using
문(Visual Basic에서는Imports
)을 추가합니다.using System; using System.Collections.Generic; using System.Collections; using System.Data.Common; using System.Data; using System.IO; using System.Data.SqlClient; using System.Data.EntityClient; using System.Data.Metadata.Edm;
Imports System.Collections.Generic Imports System.Collections Imports System.Data.Common Imports System.Data Imports System.IO Imports System.Data.SqlClient Imports System.Data.EntityClient Imports System.Data.Metadata.Edm
예시
다음 예제에서는 기본 공급자에 대한 System.Data.SqlClient.SqlConnectionStringBuilder를 초기화한 다음 System.Data.EntityClient.EntityConnectionStringBuilder 개체를 초기화하고 이 개체를 EntityConnection의 생성자에 전달합니다.
// Specify the provider name, server and database.
string providerName = "System.Data.SqlClient";
string serverName = ".";
string databaseName = "AdventureWorks";
// Initialize the connection string builder for the
// underlying provider.
SqlConnectionStringBuilder sqlBuilder =
new SqlConnectionStringBuilder();
// Set the properties for the data source.
sqlBuilder.DataSource = serverName;
sqlBuilder.InitialCatalog = databaseName;
sqlBuilder.IntegratedSecurity = true;
// Build the SqlConnection connection string.
string providerString = sqlBuilder.ToString();
// Initialize the EntityConnectionStringBuilder.
EntityConnectionStringBuilder entityBuilder =
new EntityConnectionStringBuilder();
//Set the provider name.
entityBuilder.Provider = providerName;
// Set the provider-specific connection string.
entityBuilder.ProviderConnectionString = providerString;
// Set the Metadata location.
entityBuilder.Metadata = @"res://*/AdventureWorksModel.csdl|
res://*/AdventureWorksModel.ssdl|
res://*/AdventureWorksModel.msl";
Console.WriteLine(entityBuilder.ToString());
using (EntityConnection conn =
new EntityConnection(entityBuilder.ToString()))
{
conn.Open();
Console.WriteLine("Just testing the connection.");
conn.Close();
}
' Specify the provider name, server and database.
Dim providerName As String = "System.Data.SqlClient"
Dim serverName As String = "."
Dim databaseName As String = "AdventureWorks"
' Initialize the connection string builder for the
' underlying provider.
Dim sqlBuilder As New SqlConnectionStringBuilder()
' Set the properties for the data source.
sqlBuilder.DataSource = serverName
sqlBuilder.InitialCatalog = databaseName
sqlBuilder.IntegratedSecurity = True
' Build the SqlConnection connection string.
Dim providerString As String = sqlBuilder.ToString()
' Initialize the EntityConnectionStringBuilder.
Dim entityBuilder As New EntityConnectionStringBuilder()
'Set the provider name.
entityBuilder.Provider = providerName
' Set the provider-specific connection string.
entityBuilder.ProviderConnectionString = providerString
' Set the Metadata location.
entityBuilder.Metadata = "res://*/AdventureWorksModel.csdl|res://*/AdventureWorksModel.ssdl|res://*/AdventureWorksModel.msl"
Console.WriteLine(entityBuilder.ToString())
Using conn As New EntityConnection(entityBuilder.ToString())
conn.Open()
Console.WriteLine("Just testing the connection.")
conn.Close()
End Using