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IDbCommand Interface

Represents a statement that is executed while an open connection to a data source exists.

Namespace:  Microsoft.ReportingServices.DataProcessing
Assemblies:   Microsoft.ReportingServices.SharePoint.UI.WebParts (in Microsoft.ReportingServices.SharePoint.UI.WebParts.dll)
  Microsoft.ReportingServices.Interfaces (in Microsoft.ReportingServices.Interfaces.dll)

Syntax

'Declaration
Public Interface IDbCommand _
    Inherits IDisposable
'Usage
Dim instance As IDbCommand

public interface IDbCommand : IDisposable

public interface class IDbCommand : IDisposable

type IDbCommand =  
    interface
        interface IDisposable
    end

public interface IDbCommand extends IDisposable

The IDbCommand type exposes the following members.

Properties

  Name Description
Public property CommandText Gets or sets the text command to run against the data source.
Public property CommandTimeout Gets or sets the wait time before terminating the attempt to execute a command and generating an error.
Public property CommandType Indicates or specifies how the CommandText property is interpreted (as text, a stored procedure, etc.).
Public property Parameters Gets the IDataParameterCollection.
Public property Transaction Gets or sets the transaction in which the Command object of a SQL Server Reporting Services data provider executes.

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Methods

  Name Description
Public method Cancel Attempts to cancel the execution of an IDbCommand.
Public method CreateParameter Creates a new instance of an IDataParameter object.
Public method Dispose (Inherited from IDisposable.)
Public method ExecuteReader Executes the CommandText against the Connection and builds an IDataReader.

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Remarks

The IDbCommand interface enables you to implement a Command class, which represents a statement that is executed at a data source. For more information about Command classes, see Implementing a Command Class for a Data Processing Extension.

An application does not create an instance of the IDbCommand interface directly, but creates an instance of a class that implements IDbCommand.

Classes that implement IDbCommand must also implement all required members, and typically define additional members to add provider-specific functionality.

When you implement from the IDbCommand interface, you should implement the following constructors:

Item

Description

PrvCommand()

Initializes a new instance of the PrvCommand class.

PrvCommand(string cmdText)

Initializes a new instance of the PrvCommand class with the text of the query.

PrvCommand(string cmdText, PrvTransaction transaction)

Initializes a new instance of the PrvCommand class with the text of the query, a PrvConnection, and the PrvTransaction.