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Fields, Methods

See also:

DataSrcEx, DBDataAdmin, TableInstance, BP_Visualiss, MBAForm

Appears in:

Versions

Connections

Generalization link from class [Class diagram].DataSrcEx     Association link to class [Class Diagram].DBDataAdmin     Association link to class [Class diagram].TableInstance     Association link from class [Classes for visualization].BP_Visualiss     Association link from class [CD Market Basket Analysis].MBAForm

DataSrc Attributes

Attribute Details protected bool   readOnly Notes: is read only protected DBDataAdmin   dbAdmin Notes: reference to DMDataAdmin protected TableInstance   ti Notes: instance of TableInstance class protected bool   tableIsOpen Notes: table is is open for reading GetRow() method protected OdbcConnection   tConnection Notes: Connection associated with received table instance protected OdbcDataReader   MyDataReader Notes: specific DataReader instance for reading with GetRow() method protected OdbcCommand   MyCommand Notes: command set to valid connection private bool   failed Notes: Validity of this object

DataSrc Methods

Operation Details public DataSrc(    TableInstance tInst,    bool ro,    DBDataAdmin dbAdmin): Notes: Constructor public DataSrc(    ColumnsInfo csi,    DBDataAdmin dbAdmin): Notes: Create new temporary table for update according Columns Info. This DataSrc table is implicit updatable. This DataSrc table will be destroy at Dispose method processing. public DataSrc(    DataSrc dsrc): Notes: Copy constructor private Freeze():bool Tags: virtual=true Notes: Show dialog and save data from tmp_table into user specific table @returns true if success public ReadOnly():bool <<property>> Notes: Table is read only public Table():Table <<property>> Notes: Reference to table object public VersionId():int <<property>> Notes: Version Id public OdbcComm():OdbcCommand <<property>> Notes: Create new OdbcCommand object public Connection():OdbcConnection <<property>> Notes: Odbc Connection associated to DataSrc object protected TableOpen():bool Notes: Open table and prepare for data reading. @returns true if table is open public TableClose():void Notes: Close table public GetRow():object Notes: Return one row as object[]. @returns All row as object[] public ResetRead():bool Notes: Init read from table. Next call GetRow() return the first of row. @returns true if succeed public NumberOfRows():int <<property>> Notes: Number of rows in table public Dispose():void Notes: Remove one instance. public IsOK():bool <<property>> Notes: Validity of this object

class: DataSrc