vb sql command（vb sql命令）

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1、VB+SQLcommand（VB+SQL命令）VBSQLcommandsallAAbsforabsolutevaluesActiveControlgetsthefocusoftheobjectActiveFormgetsthefocusoftheformArrayspecifiesthearrayAppknowstheprograminformationAppActivateactivatestheapplicationinexecutionFindthecharacteroftheAsccodeAscBforcharacterASCIIAscWforcharacterUn

2、iCodeAtnasksTan-1BBeepsendsapresetwarningsoundCCallcallsubroutineCalendarselectcalendarChoosetakesavaluefromacolumnofvaluesCBoolvaluesconvertedtoBooleannumbersTheCBytevalueisconvertedintobitformatTheCCurvalueisconvertedintocurrencyformatCDatedataconversiontimeCDblnumerictodoubleprecisionfl

3、oatingpointnumbersCDecdataintoadecimalnumberChDirchangesthecurrentpathtoslowchargingpathsChDrivechangesthecurrentdiskcachediskBytheChrcodetoobtainacharacterChrBgetsacharacterbyASCIIChrWgetsacharacterbyUniCodeTheCIntdataisconvertedtoIntegerTheCLngdataisconvertedtoLongCommandreadprogramparam

4、etersConstdefinitionconstantCos,COS,CSngvaluesconvertedtosingleprecisionfloatingpointnumbersCurDirlearnsthatthecurrentpathisslowtofillthepathCVarvaluesareconvertedintovariablevariablesDDategetsthecurrentcomputertimeDate$getsthecurrentcomputertimestringDateAdddateaddedtodateDateDiffdatesubt

5、ractedvalueDatePartdatepartinformationDateSerialstringtodateDateValuedigitaltransferdateDayknowswhatdatevariableisinthedateDDBdepreciationcalculationDeleteSettingdeletesdatafromthesystemloginDirknowsthenameofthefileinthecurrentpathDoEventsidlefunctionEEndendprogramEnvirongetsthedataforthee

6、nvironmentvariableEOFdoesafilebufferindexgototheendofthefile?EraseinitializesthearrayagainErrerrorinformation,ErrorerrorcodeinformationExpgetsthenaturallogarithmFFixremovesdecimalsFileCopyTocopyfilesFileAttrfileopenmodeFileDateTimefilearchivingdateFileLenfilelengthFilterfilterarrayFormatda

7、taformatoutputFreeFileemptyfilenumberFVobtainsthevalueofanannuitywithregular,fixedpaymentsandfixedinterestratesGGetAllSettinggetsallsystemlogininformationGetAttrknowsthefilepropertiesGetSettinggetsinformationaboutsystemloginHHextransformsavalueintoastringrepre