TdmData = class(TDataModule) ADOConnectionGB2004: TADOConnection; ADOQuery1 : TADOQuery; ADOQuery2 : TADOQuery; . . . function TdmData.ExecSQL(QueryNO:integer;sSQL: String;IsQuery:Boolean): integer; var CurrentQuery:TADOQuery; begin result := DM_EXECSQLERROR; try case QueryNO of 1: CurrentQuery := ADOQuery1; 2: CurrentQuery := ADOQuery2; else exit; end; . . . end;在执行 CurrentQuery := ADOQuery1; 这一句的时候就出错了。也不知道是什么回事。 if dmData.ADOConnectionGB2004.Connected then 也是出错,为什么
project newGbmain.exe raised exception class Eaccessviolation with message 'Access violation at address 0053796B' in module 'NewGBMain.exe'.read of address '00000058'.process stop.use step or run to continue都是和这类式的,是不是我没有异常处理。怎么写?
ADOConnectionGB2004: TADOConnection;
ADOQuery1 : TADOQuery;
ADOQuery2 : TADOQuery;
.
.
.
function TdmData.ExecSQL(QueryNO:integer;sSQL: String;IsQuery:Boolean): integer;
var
CurrentQuery:TADOQuery;
begin
result := DM_EXECSQLERROR;
try
case QueryNO of
1:
CurrentQuery := ADOQuery1;
2:
CurrentQuery := ADOQuery2;
else
exit;
end;
.
.
.
end;在执行 CurrentQuery := ADOQuery1; 这一句的时候就出错了。也不知道是什么回事。
if dmData.ADOConnectionGB2004.Connected then
也是出错,为什么
with message 'Access violation at address 0053796B' in module
'NewGBMain.exe'.read of address '00000058'.process stop.use step or run to continue都是和这类式的,是不是我没有异常处理。怎么写?