转自原文

1.通过指定连接属性参数打开

 

/// 数据库服务器名      /// SDE的端口，默认安装时"port:5151"      /// SDE的用户名      /// 密码      /// 数据库的名字      /// SDE的版本      /// 
           public IWorkspace OpenSdeWorkspaceByPropertySet(string server, string instance, string user, string password, string database, string version)      {          IPropertySet Propset = new PropertySetClass();          Propset.SetProperty("SERVER", server);          Propset.SetProperty("INSTANCE", instance);          Propset.SetProperty("USER", user);          Propset.SetProperty("PASSWORD", password);          Propset.SetProperty("DATABASE", password);          Propset.SetProperty("VERSION", version);                IWorkspaceFactory workspaceFactory = new SdeWorkspaceFactoryClass();          return workspaceFactory.Open(Propset, 0);      }

 

 

2.通过连接字符串打开数据库

 

/// 连接字符串  /// For example, "SERVER=Kona;DATABASE=sde;INSTANCE=5151;USER=Editor;PASSWORD=Editor;VERSION=sde.DEFAULT"  /// 
       public IWorkspace OpenSdeWorkspaceByConnectionString(string connectionString)  {      IWorkspaceFactory2 workspaceFactory = new SdeWorkspaceFactoryClass();      return workspaceFactory.OpenFromString(connectionString, 0);  }

 

 

 

3.通过sde文件打开数据库

 

/// sde文件      /// For example, "C:\\Data.sde"      /// 
           public IWorkspace OpenSdeWorkspaceFromFile(string connectionFile)      {          IWorkspaceFactory workspaceFactory = new SdeWorkspaceFactoryClass();          return workspaceFactory.OpenFromFile(connectionFile, 0);      }