Delphi+Access,(ADO error ：缺少更新或刷新的键列信息) 是怎么回事？

liuxiaowei 2002-06-20 10:39:36

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liuxiaowei 2002-06-20

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没有主键
我已经搞定了
当我插入大量数据后refresh 就会报错
换成active：＝ false；active ：＝ true；active：＝ false；就行了
可能是delphi支持的不太好吧

dreamfan 2002-06-20

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主键冲突了吧，看看你的代码

EhLib 6.3 Build 6.3.176 Russian version. Full source included. ------------------------------------------------------------------- The Library contains components and classes for Borland Delphi versions 7, 8 & 9 , Borland Developer Studio 2006, CodeGear Delphi 2007, RAD Studio 2009, Embarcadero RAD Studio 2010, RAD Studio XE-XE6. TABLE OF CONTENTS ----------------- Overview Installation Library Installation Help Demonstration Programs Registering and Prices Other information About author Where to start. ------------------- Star overview of the library with the main Demo project .\Demos\Bin\MainDemo.Exe. (Compiled Demo files are available in the Evaluation version of the library) Then you can read a summary of the new features and changes in the file history-eng.html. More detail about new features can be found in the file - About EhLib 6.2 Eng.doc To install a new version of the library in the IDE, use the installation program in .\Installer\EhLibInstaller.exe Overview -------- The Library contains several components and objects. TDBGridEh component TDBGridEh provides all functionality of TDBGrid and adds several new features as follows: Allows to select records, columns and rectangle areas. Special titles that can correspond to several/all columns. Footer that is able to show sum/count/other field values. Automatic column resizing to set grid width equal client width. Ability to change row and title height. Allows automatic broken of a single line long title and data row to a multiline. Title can act as button and, optionally show a sort marker. Automatically sortmarking. Ability to truncate long text with ellipsis. Lookup list can show several fields. Incremental search in lookup fields. Frozen columns. DateTime picker support for TDateField and TDateTimeField. Allows to show bitmaps from TImageList depending on field value. Allows to hide and track horizontal or vertical scrollbars. Allows to

EhLib 8.0 Build 8.0.023 Pro Edition FullSource for D7-XE8 亲测可用，含全部源码及 Demo The Library contains components and classes for Borland Delphi versions 7, 9, Developer Studio 2006, Delphi 2007, Embarcadero RAD Studio 2009-XE8, Lazarus. TABLE OF CONTENTS ----------------- Overview Installation Library Installation Help Demonstration Programs Registering and Prices Other information About author Where to start. ------------------- Read about EhLib for Lazarus in the file - Lazarus\readme.txt Start overview of the library with the main Demo project .\Demos\Bin\MainDemo.Exe. (Compiled Demo files are available in the Evaluation version of the library) Then you can read a summary of the new features and changes in the file history-eng.html. More detail about new features can be found in the file - About EhLib 8 Eng.doc To install a new version of the library in the IDE, use the installation program in .\Installer\EhLibInstaller.exe Overview -------- The Library contains several components and objects. TDBGridEh component TDBGridEh provides all functionality of TDBGrid and adds several new features as follows: Allows to select records, columns and rectangle areas. Special titles that can correspond to several/all columns. Footer that is able to show sum/count/other field values. Automatic column resizing to set grid width equal client width. Ability to change row and title height. Allows automatic broken of a single line long title and data row to a multiline. Title can act as button and, optionally show a sort marker. Automatically sortmarking. Ability to truncate long text with ellipsis. Lookup list can show several fields. Incremental search in lookup fields. Frozen columns. DateTime picker support for TDateField and TDateTimeField. Allows to show bitmaps from TImageList depending on field value. Allows to hide and track horizontal or vertical scrollbars. Allows to hide columns. Allows to show 3D fr

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