C# Class Goldtect.ASTreeViewDemo.OleDbHelperParameterCache

OleDbHelperParameterCache provides functions to leverage a static cache of procedure parameters, and the ability to discover parameters for stored procedures at run-time.

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Public Methods

Method	Description
CacheParameterSet ( string connectionString, string commandText ) : void	add parameter array to the cache
GetCachedParameterSet ( string connectionString, string commandText ) : System.Data.OleDb.OleDbParameter[]	retrieve a parameter array from the cache
GetSpParameterSet ( string connectionString, string spName ) : System.Data.OleDb.OleDbParameter[]	Retrieves the set of OleDbParameters appropriate for the stored procedure This method will query the database for this information, and then store it in a cache for future requests.
GetSpParameterSet ( string connectionString, string spName, bool includeReturnValueParameter ) : System.Data.OleDb.OleDbParameter[]	Retrieves the set of OleDbParameters appropriate for the stored procedure This method will query the database for this information, and then store it in a cache for future requests.

Private Methods

Method	Description
CloneParameters ( System.Data.OleDb.OleDbParameter originalParameters ) : System.Data.OleDb.OleDbParameter[]
DiscoverSpParameterSet ( string connectionString, string spName, bool includeReturnValueParameter ) : System.Data.OleDb.OleDbParameter[]	resolve at run-time the appropriate set of OleDbParameters for a stored procedure
OleDbHelperParameterCache ( ) : System

Method Details

CacheParameterSet() public static method

add parameter array to the cache

public static CacheParameterSet ( string connectionString, string commandText ) : void
connectionString	string	a valid connection string for an OleDbConnection
commandText	string	the stored procedure name or T-OleDb command
return	void

GetCachedParameterSet() public static method

retrieve a parameter array from the cache

public static GetCachedParameterSet ( string connectionString, string commandText ) : System.Data.OleDb.OleDbParameter[]
connectionString	string	a valid connection string for a OleDbConnection
commandText	string	the stored procedure name or T-OleDb command
return	System.Data.OleDb.OleDbParameter[]

GetSpParameterSet() public static method

Retrieves the set of OleDbParameters appropriate for the stored procedure

This method will query the database for this information, and then store it in a cache for future requests.

public static GetSpParameterSet ( string connectionString, string spName ) : System.Data.OleDb.OleDbParameter[]
connectionString	string	a valid connection string for a OleDbConnection
spName	string	the name of the stored prcedure
return	System.Data.OleDb.OleDbParameter[]

GetSpParameterSet() public static method

Retrieves the set of OleDbParameters appropriate for the stored procedure

This method will query the database for this information, and then store it in a cache for future requests.

public static GetSpParameterSet ( string connectionString, string spName, bool includeReturnValueParameter ) : System.Data.OleDb.OleDbParameter[]
connectionString	string	a valid connection string for an OleDbConnection
spName	string	the name of the stored procedure
includeReturnValueParameter	bool	a bool value indicating weather the return value parameter should be included in the results
return	System.Data.OleDb.OleDbParameter[]