Report Builder - Start new Column 与 Start new page有何不同

Mybatis-Plus 搭建与使用入门(小结)

Mybatis-Plus（简称MP）是一个 Mybatis 的增强工具，这篇文章主要介绍了Mybatis-Plus 搭建与使用入门(小结)，小编觉得挺不错的，现在分享给大家，也给大家做个参考。一起跟随小编过来看看吧

Power BI分页报表实战指南：RDL引擎与数据集绑定

分页报表是企业级BI交付的关键能力，指支持精确分页、重复表头、动态页码和合规导出的声明式文档生成技术。其核心原理基于RDL（Report Definition Language）的预计算分页机制，区别于Power BI原生的响应式渲染逻辑。技术价值在于复用Power BI语义模型（含DAX度量值、行级安全），实现建模与交付解耦，保障计算一致性与审计合规性。典型应用场景包括财务月报、审计底稿、ERP集成报表等需正式归档的事务性输出。本文聚焦Power BI Paginated Reports这一官方子系统，详

DevExpress VCL v2012 vol 1.6源码、例子、帮助

=====注意：一共2个压缩分卷，这是第1个！===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦！ What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL v2012 vol 1.6源码、例子、帮助-part2

=====注意：一共2个压缩分卷，这是第2个！===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦！ What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL 2012 vol 1.6源码、例子、帮助-Part1

=====注意：一共2个压缩分卷，这是第1个！===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦！ What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms