ComponentOne DataServices Edition
C1.AdoNet.Json Assembly / C1.DataConnector.AdoNet Namespace / C1CommandBase Class


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C1CommandBase Class Methods
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For a list of all members of this type, see C1CommandBase members.

Public Methods
 NameDescription
Public MethodCancelOverridden.  Attempts to cancel the execution of this command  
Public MethodCreateObjRef (Inherited from System.MarshalByRefObject)
Public MethodCreateParameter (Inherited from System.Data.Common.DbCommand)
Public MethodDisposeOverloaded. Overridden.  Disposes the resources of this command  
Public MethodExecuteNonQueryOverridden.  Executes an SQL statement against a connection object.  
Public MethodExecuteNonQueryAsyncOverloaded. Overridden. An asynchronous version of method ExecuteNonQuery that executes a SQL statement against a connection object.  
Public MethodExecuteReaderOverloaded.  (Inherited from System.Data.Common.DbCommand)
Public MethodExecuteReaderAsyncOverloaded.  (Inherited from System.Data.Common.DbCommand)
Public MethodExecuteScalarOverridden.  Executes the query and returns the first column of the first row in the result set returned by the query. All other columns and rows are ignored.  
Public MethodExecuteScalarAsyncOverloaded. Overridden. An asynchronous version of method ExecuteScalar that executes the query and returns the first column of the first row in the result set returned by the query. All other columns and rows are ignored.  
Public MethodGetLifetimeService (Inherited from System.MarshalByRefObject)
Public MethodInitializeLifetimeService (Inherited from System.MarshalByRefObject)
Public MethodPrepareOverridden.  Creates a prepared (or compiled) version of the command on the data source.  
Public MethodToString (Inherited from System.ComponentModel.Component)
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Protected Methods
 NameDescription
Protected MethodCreateDbParameterOverridden. Creates and returns a new instance of the System.Data.Common.DbParameter class.  
Protected MethodExecuteBatchCoreAsync Execute a list of nonquery in Batch.  
Protected MethodExecuteDbDataReaderOverridden.  Executes the command text against the connection.  
Protected MethodExecuteDbDataReaderAsyncOverridden. An asynchronous version of method ExecuteDbDataReader that executes the command text against the connection.  
Protected MethodExecuteNonQueryCoreAsync The abstract core method provided to execute a non-query statement.  
Protected MethodExecutePrimitiveSqlAsyncExecute select directly in the server pointed by DbConnection.  
Protected MethodFinalize (Inherited from System.ComponentModel.Component)
Protected MethodGetNextResultAsync Requests more rows from the result of the last executed command.  
Protected MethodGetRequiredColumnNames Gets the column names used to identify a specific row in an UPDATE or DELETE statement.  
Protected MethodGetService (Inherited from System.ComponentModel.Component)
Protected MethodMemberwiseCloneOverloaded.  (Inherited from System.MarshalByRefObject)
Protected MethodShouldRequestAllDataChecks whether the rows of the tables referred in the passed statement need to be retrieved from the server in full or not.  
Protected MethodSupportBatchChecks whether the passed statements can or cannot be executed on the server as a batch operation.  
Protected MethodSupportColumnExpressionVirtual method to check whether or not selectStatement can be executed directly on the server used by this command, considering the selected column expressions.  
Protected MethodSupportDeleteVirtual method to check whether or not deleteStatement can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportGroupByVirtual method to check whether or not groupby can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportInsertVirtual method to check whether or not insertStatement can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportJoinVirtual method to check whether or not joinStatement can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportLimitVirtual method to check whether or not selectStmt.Limit.Limit and selectStmt.Offset.Offset can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportOrderByChecks whether the passed orderby can or cannot be executed on the server.  
Protected MethodSupportUpdateVirtual method to check whether or not updateStatement can be executed directly on the server pointed by the connection used by this command.  
Protected MethodSupportWhereVirtual method to check whether or not where can be executed directly on the server pointed by the connection used by this command.  
Protected MethodValidateStatement Virtual method to validate if the given statement is supported by the implemented provider.  
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See Also

Reference

C1CommandBase Class
C1.DataConnector.AdoNet Namespace