AdoDotNetConnectionSupport Class
Definition
Important
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Represents an implementation of the IVsDataConnectionSupport interface, and indirectly the IVsDataCommand, IVsDataAsyncCommand and IVsDataTransaction interfaces, using appropriate ADO .NET objects.
public ref class AdoDotNetConnectionSupport : Microsoft::VisualStudio::Data::Framework::DataConnectionSupport, Microsoft::VisualStudio::Data::Core::IVsDataSiteableObject<Microsoft::VisualStudio::Data::Core::IVsDataProvider ^>public class AdoDotNetConnectionSupport : Microsoft.VisualStudio.Data.Framework.DataConnectionSupport, Microsoft.VisualStudio.Data.Core.IVsDataSiteableObject<Microsoft.VisualStudio.Data.Core.IVsDataProvider>type AdoDotNetConnectionSupport = class
inherit DataConnectionSupport
interface IVsDataSiteableObject<IVsDataProvider>Public Class AdoDotNetConnectionSupport
Inherits DataConnectionSupport
Implements IVsDataSiteableObject(Of IVsDataProvider)- Inheritance
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AdoDotNetConnectionSupport
- Implements
Constructors
| AdoDotNetConnectionSupport() |
Initializes an instance of the AdoDotNetConnectionSupport class. |
Properties
| Connection |
Gets the DbConnection object being used by the current connection support instance. |
| ConnectionString |
Gets or sets a string representation of information required to establish a specified data source connection. |
| ConnectionTimeout |
Gets or sets the amount of time, in seconds, to wait to establish a connection before terminating the attempt and generating a time-out error. |
| CurrentCommand |
Gets the DbCommand object currently being used by the current connection support instance. |
| CurrentTransaction |
Gets the DbTransaction object currently being used by the current connection support instance. |
| InAsyncMode |
Gets a value indicating whether the connection is in an asynchronous mode. |
| ParentProvider |
Gets the current instance of the parent service provider. (Inherited from ServiceProvider) |
| ProviderObject |
Gets the underlying provider object for the specified connection. |
| ServiceProvider |
Gets the global Visual Studio service provider. (Inherited from DataConnectionSupport) |
| Site |
Gets or sets the site. (Inherited from DataSiteableServiceProvider<T>) |
| State |
Gets the state of the data connection. |
Methods
| AddService(Type, Object, Boolean) |
Adds the specified service to the collection of service objects or to the parent service container. (Inherited from ServiceProvider) |
| AddService(Type, Object) |
Adds the specified service to the internal collection of services. (Inherited from ServiceProvider) |
| AddService(Type, ServiceCreatorCallback, Boolean) |
Adds the specified service to the internal collection of services or to the parent service container. (Inherited from ServiceProvider) |
| AddService(Type, ServiceCreatorCallback) |
Adds the specified service to the internal collection of services. (Inherited from ServiceProvider) |
| BeginTransactionCore() |
Initiates a transaction. |
| Close() |
Closes the current data connection. |
| CommitTransactionCore() |
Commits a transaction. |
| CreateParameterCore() |
Creates a new data parameter with interface IVsDataProvider. |
| CreateParameterFrom(DbParameter) |
Creates a new data parameter with interface IVsDataProvider, using a copy of the specified data parameter. |
| CreateService(IServiceContainer, Type) |
Creates a new service object based on the specified interface service type. |
| DeriveParametersCore(String, DataCommandType, Int32) |
Derives parameters that can be specified for a given command. |
| DeriveParametersOn(DbCommand) |
Override to derive parameters from the given command. |
| DeriveSchemaCore(String, DataCommandType, IVsDataParameter[], Int32) |
Derives the schema returned from a specified command, indicating the layout of items and blocks in a given data reader. |
| Dispose() |
Releases all resources held by the data connection. (Inherited from DataConnectionSupport) |
| Dispose(Boolean) |
Releases all resources held by the data connection. |
| ExecuteCore(String, DataCommandType, IVsDataParameter[], Int32) |
Executes a specified command, optionally with parameters, and returns results as an IVsDataReader object. |
| ExecuteWithoutResultsCore(String, DataCommandType, IVsDataParameter[], Int32) |
Executes a specified command, optionally with parameters. Does not return any query results. |
| GetCommand(String, DataCommandType, IVsDataParameter[], Int32) |
Constructs a DbCommand object from the given command string. |
| GetCommandType(DataCommandType) |
Converts an enumeration value from DataCommandType to its corresponding value in the CommandType enumeration. |
| GetService(Guid) |
Retrieves a service with a specified service GUID. (Inherited from ServiceProvider) |
| GetService(Type) |
Retrieves a service of the specified type. (Inherited from ServiceProvider) |
| Initialize(Object) |
Initializes the specified ADO.NET connection, using a specified provider. |
| OnMessageReceived(DataConnectionMessageReceivedEventArgs) |
Handles the MessageReceived event. (Inherited from DataConnectionSupport) |
| OnSiteChanged(EventArgs) |
Raises the SiteChanged event. (Inherited from DataSiteableServiceProvider<T>) |
| OnStateChanged(DataConnectionStateChangedEventArgs) |
Handles the StateChanged event. (Inherited from DataConnectionSupport) |
| Open(Boolean) |
Opens the specified data connection. |
| PrepareCore(String, DataCommandType, IVsDataParameter[], Int32) |
Prepares the specified command on the data source to be executed; the command can be executed multiple times, with varying parameters. |
| RemoveService(Type, Boolean) |
Removes the specified service from the internal services collection or from the parent service container. (Inherited from ServiceProvider) |
| RemoveService(Type) |
Removes the specified service from the internal services collection (Inherited from ServiceProvider) |
| RollbackTransactionCore() |
Rolls back, or voids, a transaction and returns the new current transaction level. |
| SetParameters(DbCommand, IVsDataParameter[]) |
Adds new parameters to the given DbCommand command from the specified array of IVsDataParameter parameters. |
Events
| MessageReceived |
Occurs when a message is received from the data source. (Inherited from DataConnectionSupport) |
| SiteChanged |
Occurs when the site has changed. (Inherited from DataSiteableServiceProvider<T>) |
| StateChanged |
Occurs when the state of the data connection has changed. (Inherited from DataConnectionSupport) |
Explicit Interface Implementations
| IServiceProvider.QueryService(Guid, Guid, IntPtr) |
Performs as a factory for services that are exposed through an implementation of IServiceProvider. (Inherited from ServiceProvider) |
| IVsDataSiteableObject<IVsDataProvider>.Site | |
Extension Methods
| QueryService(IServiceProvider, Guid) |
Gets a service exposed by a service provider based on its service GUID. |
| QueryService<TService>(IServiceProvider) |
Gets a service exposed by a service provider based on its service type. |