C# Класс CinderellaMGS.DatabaseIO

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Открытые свойства

Свойство	Тип	Описание
globConnectionString	string

Открытые методы

Метод	Описание
CheckForRows ( string sqlStatement ) : bool	This method allowed you to determine if an sql statement will return any rows.
CloseConnection ( ) : void	Closes the connection if it is open.
DatabaseIO ( ) : System
ExecuteQuery ( string sqlStatement ) : int	Method will execute a non query SQL statement and return the number of rows affected.
GetConnection ( ) : SqlConnection	Creates the SQLConnection object "conn" which is used throughout the rest of the databaseIO methods.
GetRows ( string sqlStatement ) : int	This method will allow you to determine how many rows will be returned from an sql query.
RetrieveConnectionString ( ) : string	Attempts to read the connection string from the computers registry. If it doesn't exist a new key is created.
checkConnection ( ) : bool	This method will check for a valid connection string and try opening a new connection.
createNewConnection ( ) : string	Creates and returns a connection string key in the computers registry.
getAggDataString ( string sqlComm, string tableName ) : string	Method used when executing an sql query that is retrieving aggregate data.
getDataSet ( string sqlComm, string tableName ) : DataSet	This method will allow you to retrieve a dataset containing the data from the executed query.
setupConnection ( ) : void	Checks for a valid connection string and tries to establish a connection to the database. If the connection fails the user is given an opportunity to enter a new connection string.

Приватные методы

Метод	Описание
errorCheck ( Exception errorMessage ) : void	Method is used to help centralize and customize database error messages.

Описание методов

CheckForRows() публичный Метод

This method allowed you to determine if an sql statement will return any rows.

public CheckForRows ( string sqlStatement ) : bool
sqlStatement	string	SQL Query to use
Результат	bool

CloseConnection() публичный Метод

Closes the connection if it is open.

public CloseConnection ( ) : void
Результат	void

DatabaseIO() публичный Метод

public DatabaseIO ( ) : System
Результат	System

ExecuteQuery() публичный Метод

Method will execute a non query SQL statement and return the number of rows affected.

public ExecuteQuery ( string sqlStatement ) : int
sqlStatement	string	SQL Query to be executed.
Результат	int

GetConnection() публичный Метод

Creates the SQLConnection object "conn" which is used throughout the rest of the databaseIO methods.

public GetConnection ( ) : SqlConnection
Результат	System.Data.SqlClient.SqlConnection

GetRows() публичный Метод

This method will allow you to determine how many rows will be returned from an sql query.

public GetRows ( string sqlStatement ) : int
sqlStatement	string	SQL Query to use
Результат	int

RetrieveConnectionString() публичный Метод

Attempts to read the connection string from the computers registry. If it doesn't exist a new key is created.

public RetrieveConnectionString ( ) : string
Результат	string

checkConnection() публичный Метод

This method will check for a valid connection string and try opening a new connection.

public checkConnection ( ) : bool
Результат	bool

createNewConnection() публичный Метод

Creates and returns a connection string key in the computers registry.

public createNewConnection ( ) : string
Результат	string

getAggDataString() публичный Метод

Method used when executing an sql query that is retrieving aggregate data.

public getAggDataString ( string sqlComm, string tableName ) : string
sqlComm	string	SQL Aggregate Query
tableName	string	The specific table within the dataset.
Результат	string

getDataSet() публичный Метод

This method will allow you to retrieve a dataset containing the data from the executed query.

public getDataSet ( string sqlComm, string tableName ) : DataSet
sqlComm	string	The SQL query you are using to retrieve the dataset
tableName	string	The specific table within the dataset.
Результат	System.Data.DataSet

setupConnection() публичный Метод

Checks for a valid connection string and tries to establish a connection to the database. If the connection fails the user is given an opportunity to enter a new connection string.

public setupConnection ( ) : void
Результат	void

Описание свойств

globConnectionString публичное свойство

public string globConnectionString
Результат	string