.NET中各种数据库连接的方法

(DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default))

Declare the SqlConnection:

C#:

using System.Data.SqlClient;

SqlConnection oSQLConn = new SqlConnection();

oSQLConn.ConnectionString="my connectionstring";

oSQLConn.Open();

VB.NET:

Imports System.Data.SqlClient

Dim oSQLConn As SqlConnection = New SqlConnection()

oSQLConn.ConnectionString="my connectionstring"

oSQLConn.Open()

Data Shape

MS Data Shape

"Provider=MSDataShape;Data Provider=SQLOLEDB;Data Source=Aron1;Initial Catalog=pubs;User ID=sa;Password=asdasd;"

Read more

How to define wich network protocol to use

Example:

"Provider=sqloledb;Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=pubs;User ID=sa;Password=asdasd;"