home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
C Programming Starter Kit 2.0
/
SamsPublishing-CProgrammingStarterKit-v2.0-Win31.iso
/
bde
/
sdksrc.pak
/
TBLOPEN.PAS
< prev
next >
Wrap
Pascal/Delphi Source File
|
1997-07-23
|
4KB
|
110 lines
{ tblopen.pas }
program TblOpen;
{$IfDef VER80}
uses SnipTool, SnipData, SysUtils, WinTypes, WinProcs,
DbiProcs, DbiTypes, DbiErrs;
{$Else}
uses WinTypes, WinCrt, Strings, DbiProcs, DbiTypes, DbiErrs,
SnipTool, SnipData;
{$EndIf}
const
szTblName = 'cust'; { Name of table to be opened }
szTblType = szDBASE; { Type of the above table }
{=====================================================================
Function:
TableOpen();
Description:
This example shows how to open and close a table.
===================================================================== }
var
rslt: DBIResult; { Value returned from IDAPI functions }
hDb: hDBIDb; { Handle to the database }
hCur: hDBICur; { Handle to the table }
begin
Screen('*** Opening a Table ***');
Screen(' Initializing IDAPI...');
InitOutput;
rslt := ChkRslt(DbiInit(nil), DBIERR_NONE, ' Error - Init');
if (rslt <> DBIERR_NONE) then { Check if successfull }
begin
Screen('');
Screen('*** End of Example ***');
CloseOutput;
exit;
end;
{ Open the standard database. Notice that we are opening the
database in READWRITE mode and SHARED mode. }
Screen(' Opening Standard Database...');
if (ChkRslt(DbiOpenDatabase('', nil, dbiREADWRITE, dbiOPENSHARED,
nil, 0, nil, nil, hDb),
DBIERR_NONE, ' Error - OpenDatabase.') <> DBIERR_NONE) then
begin
{ Clean up since an error occured }
ChkRslt(DbiExit, DBIERR_NONE, ' Error - Exit.');
Screen('');
Screen('*** End of Example ***');
CloseOutput;
exit;
end;
Screen(' Set the directory which is used by the database...');
ChkRslt(DbiSetDirectory(hDb, pCHAR(szTblDirectory)), DBIERR_NONE,
' Error - SetDirectory.');
{ Open the table. The important options are:
hDb - Handle to the database of the table
Paradox and dBASE use the STANDARD database
szTblName - Name of the table
szTblType - Type of the table - not needed if the table name
contains an extension
dbiREADWRITE - Open the table for both Reading and Writting
DBIOPENSHARED - Open the table in shared mode - other
applications can have concurrent access
xltFIELD - Field values are translated from Internal Paradox
types to types useable in the application. }
Screen(' Opening the '+szTblName+' Table...');
if (ChkRslt(DbiOpenTable(hDb, pCHAR(szTblName), pCHAR(szTblType),
nil, nil, 0, dbiREADWRITE,
dbiOPENSHARED, xltFIELD, FALSE, nil,
hCur),
DBIERR_NONE, ' Error - OpenTable.') <> DBIERR_NONE) then
begin
Screen(' Close the standard database...');
ChkRslt(DbiCloseDatabase(hDb), DBIERR_NONE,
' Error - CloseDatabase.');
Screen(' Exit IDAPI...');
ChkRslt(DbiExit, DBIERR_NONE, ' Error - Exit.');
Screen('');
Screen('*** End of Example ***');
CloseOutput;
exit;
end;
Screen('');
Screen(' The '+szTblName+' table was opened successfully!');
Screen('');
Screen(' Close the '+szTblName+' table...');
ChkRslt(DbiCloseCursor(hCur), DBIERR_NONE,
' Error - CloseCursor.');
Screen(' Close the standard database...');
ChkRslt(DbiCloseDatabase(hDb), DBIERR_NONE,
' Error - CloseDatabase.');
Screen(' Exit IDAPI...');
ChkRslt(DbiExit, DBIERR_NONE, ' Error - Exit.');
Screen('');
CloseOutput;
Screen('*** End of Example ***');
end.