LinqConnect Documentation
Devart.Data.Linq Namespace / DataContext Class
Properties Methods

In This Topic
    DataContext Class Members
    In This Topic

    The following tables list the members exposed by DataContext.

    Public Constructors
     NameDescription
    Public ConstructorDataContext ConstructorOverloaded. Initializes a new instance of the DataContext class.  
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    Public Properties
     NameDescription
    Public PropertyChangeConflictsReturns a collection of objects that caused concurrency conflicts when SubmitChanges was called.  
    Public PropertyCommandTimeoutIncreases the time-out period for queries that would otherwise time out during the default time-out period.  
    Public PropertyConnectionReturns the connection used by the framework.  
    Public PropertyDeferredLoadingEnabledInstructs the framework not to delay-load one-to-many or one-to-one relationships.  
    Public PropertyEntityCachingModeDetermines how context's entity cache works.  
    Public PropertyErrorsGets the collection of errors, occurred while performing the SubmitChanges operation and not processed in the OnSubmitError event.  
    Public PropertyHasErrorsIndicates whether there are unprocessed errors, occurred during SubmitChanges operation.  
    Public PropertyLoadOptionsGets or sets the DataLoadOptions associated with this DataContext.  
    Public PropertyLogPrints the SQL query or command to the TextReader.  
    Public PropertyMappingReturns the MetaModel on which the mapping is based.  
    Public PropertyMaxBatchSizeGets or sets the max number of queries, united in the batch for speeding up the SubmitChanges operation.  
    Public PropertyMaxUsedConnectionsGets or sets the maximal number of opened connections.  
    Public PropertyObjectTrackingEnabledInstructs the framework to track the original value and object identity for this DataContext.  
    Public PropertyTransactionSets a local transaction for the .NET Framework to use to access the database.  
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    Public Methods
     NameDescription
    Public MethodCreateDatabaseOverloaded. Creates and executes script that creates database tables with their constraints, indexes, and foreign keys.  
    Public MethodDatabaseExistsReturns true if an attempt to open the database by using the connection in the DataContext succeeds.  
    Public MethodDeleteDatabaseOverloaded. Creates and executes script that deletes database tables with their constraints, indexes, and foreign keys.  
    Public MethodDisposeReleases all resources used by the DataContext.  
    Public MethodExecuteCommandExecutes SQL commands directly on the database.  
    Public MethodExecuteQueryOverloaded. Executes SQL queries directly on the database.  
    Public MethodGetChangeSetProvides access to the modified objects tracked by DataContext.  
    Public MethodGetCommandProvides information about SQL commands generated by LINQ to SQL.  
    Public MethodGetTableOverloaded. Returns a collection of table objects.  
    Public MethodQuery<TResult>Executes SQL query against the database, with data fetching delayed until they will be accessed through the IQueryable interface.  
    Public MethodRefreshOverloaded. Refreshes object state by using data in the database.  
    Public MethodRejectChangesCancels all unsubmitted changes to the DataContext entities.  
    Public MethodSubmitChangesOverloaded. Computes the set of modified objects to be inserted, updated, or deleted, and executes the appropriate commands to implement the changes to the database.  
    Public MethodTranslateOverloaded. Converts an existing IDataReader to objects.  
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    See Also

    Reference

    DataContext Class
    Devart.Data.Linq Namespace

     

     

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