DX DevExpress XpoProvider 数据库参数连接配置不是仅仅只可以用access

最新推荐文章于 2023-05-15 10:47:22 发布

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本文详细介绍了如何通过在连接字符串中添加额外参数来指定XPO提供类型，以便正确配置数据库连接。提供了针对不同数据库类型的示例连接字符串。

How to create a correct connection string for XPO providers?

It is impossible to identify the database type by a connection string. So, XPO requires you to add an additional parameter into the connection string to specify the provider type. The parameter name is XpoProvider. So, the connection string will be like this: XpoProvider=Provider name;Connection string. You can obtain the provider name from a XpoProviderTypeString public constant. Each provider has this constant defined. Below is a list of values of the XpoProvider parameter for each existing database provider:
AccessConnectionProvider: MSAccess
XpoProvider=MSAccess;Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\mydatabase.mdb;User Id=admin;Password=;
DataSetDataStore: XmlDataSet
XpoProvider=XmlDataSet;Data Source=C:\mydatabase.xml;Read Only=false
InMemoryDataStore: InMemoryDataStore
XpoProvider=InmemoryDataStore;Data Source=C:\mydatabase.xml;Read Only=false
MSSqlConnectionProvider: MSSqlServer
XpoProvider=MSSqlServer;Data Source=(local);User ID=username;Password=password;Initial Catalog=database;Persist Security Info=true
AdvantageConnectionProvider: Advantage
XpoProvider=Advantage;\\myserver\myvolume\mypat\mydd.add;ServerType=local;User ID=ASSSYS;TrimTrailingSpaces=true
AsaConnectionProvider: Asa
XpoProvider=Asa;Uid=MyUsername;PWD=MyPassword;DBF=c:\mydatabase.db;Persist Security Info=true
AseConnectionPrvider: Ase
XpoProvider=Ase;Port=5000;Data Source=MyAseServer;User ID=MyUserName;Password=MyPassword;Initial Catalog=MyDatabase;Persist Security Info=true
DB2ConnectionProvider: DB2
XpoProvider=DB2;Server=MyAddress:MyPortNumber;User ID=MyUserName;Password=MyPassword;Database=MyDatabase;Persist Security Info=true
FirebirdConnectionProvider: Firebird
XpoProvider=Firebird;DataSource=localhost;User=SYSDBA;Password=masterkey;Database=MyDatabase.fdb;ServerType=0;Charset=NONE
MSSqlCEConnectionProvider: MSSqlServerCE
XpoProvider=MSSqlServerCE;Data Source=MyDatabase.sdf;Password=MyPassword
MySqlConnectionProvider: MySql
XpoProvider=MySql;Server=MyServerAddress;User ID=MyUserName;Password=MyPassword;Database=MyDatabase;Persist Security Info= true;Charset=utf8
ODPConnectionProvider: ODP
XpoProvider=ODP;Data Source=TORCL;User ID=MyUserName;Password=MyPassword
OracleConnectionProvider: Oracle
XpoProvider=Oracle;Data Source=TORCL;User ID=MyUserName;Password=MyPassword
PervasiveSqlConnectionProvider: Pervasive
XpoProvider=Pervasive;Server=MyServerAddress;UID=MyUserName;PWD=MyPassword;ServerDSN=MyDatabase
PostgreSqlConnectionProvider: Postgres
XpoProvider=Postgres;Server=127.0.0.1;User ID=MyUserName;Password=MyPassword;Database=MyDatabase;Encoding=UNICODE
SQLiteConnectionProvider: SQLite
XpoProvider=SQLite;Data Source=filename
VistaDBConnectionProvider: VistaDB
XpoProvider=VistaDB;Data Source=C:\mydatabase.vdb4