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创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考
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Data Visualization and Layout Data Visualization and Layout Whether you need a simple listing or groups with keep-together control, master-detail reports, sub-reports, horizontal and vertical multi-column reports, address labels and badges, or richly formatted letters with mail merge support, ActiveReports is the solution. Simple and lightweight report controls allow you to easily create dazzling reports. With a selection including textbox, checkbox, line, shape, cross-section box, image, formatted text with mail merge, barcode (2D and 3D), chart, and other data visualization controls, they support a wide range of business reports. You can create reports of any size with nearly endless layout options. Rich Data Binding Rich Data Binding .NET data sources allow you to connect to any of the standard databases, plus .NET in-memory objects and collections. In addition, unbound data mode opens up the report to data from anywhere, in any form. 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The simplicity of the design allows the data to pass through quickly from processing to rendering. Flexible .NET API The extensive ActiveReports 7 API allows Visual Basic and C# developers to completely control the report processing engine to fit their needs. Events and properties control: Data retrieval Data transformation Layout Rendering In addition, the API gives the developer complete control over the rendered document to allow selective printing or export, post-render drawing or stamping on pages, n-page, and booklet printing. For added control, ActiveReports 7 provides unmanaged access to the print job, allowing tray selection and duplex printer management as the document is rendered to the printer. Data Visualization and Layout Data Visualization and Layout Whether you need a simple listing or groups with keep-together control, master-detail reports, sub-reports, horizontal and vertical multi-column reports, address labels and badges, or richly formatted letters with mail merge support, ActiveReports is the solution. Simple and lightweight report controls allow you to easily create dazzling reports. With a selection including textbox, checkbox, line, shape, cross-section box, image, formatted text with mail merge, barcode (2D and 3D), chart, and other data visualization controls, they support a wide range of business reports. You can create reports of any size with nearly endless layout options. Rich Data Binding Rich Data Binding .NET data sources allow you to connect to any of the standard databases, plus .NET in-memory objects and collections. In addition, unbound data mode opens up the report to data from anywhere, in any form. 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ActiveReports includes Adobe PDF export with advanced encryption and international font support, Microsoft Excel export, and Rich Text Format (RTF) export. The extensive API allows fine control over the exported documents and their properties. The ActiveReports reporting engine supports cloud computing on Microsoft's Windows Azure platform under partial trust as well as full trust. Support for Migration from Other Reporting Tools Support for Migration from Other Reporting Tools ActiveReports 7 helps you preserve your past investments with easy report conversion from Microsoft Access and SAP Crystal Reports, thus greatly reducing the effort involved in recreating old reports when you migrate. No need to start from scratch! Global Options and Localization Support Global Options and Localization Support Localize the ActiveReports user interface to meet the needs of all of your international users. (There are fully localized Chinese and Japanese versions for those specific markets.) 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EhLib 9.1.038 for D7-XE-10.2
The EhLib set contains components and classes for various versions of the Delphi programming language and to increase the capacity of the user’s database database software to interact with users. List and features of the components included in the EhLib collection: TDBGridhEh: Take advantage of all the features of TDBGrid and several newer features for: Allows you to select records, columns, and quadrilateral environments. Certain titles attributed to multiple or all columns. Putting a footnote that can represent the values of the total fields, the number, and the rest. Ability to resize columns to adjust the width of the table with the width of the user table. Possibility to change height and title And… TPrintDBGridEh: Provides features and procedures for previewing and printing from the TDBGridEh component with more features such as: Ability to enlarge rows vertically, so all text can be printed. Possibility to enlarge the table to cover the whole page. Possibility to preview and print titles for tables Possibility to preview and print headers and footers to use current page display macros, current date, … And… TDBVertGridEh: Component to display a record of data (dataset) vertically. Has a special column for displaying field titles. Ability to edit and modify cell content, such as those in DBGridEh. TDBLookupComboboxEh: All features of the TDBLookupCombobox are also available, including: Possibility to display with flat template Ability to assign a value like KeyValue only to display the text attribute. Ability to write (assign) values to the text property (text property) as previously not included in the data list (Style = csDropDownEh). Ability to maintain KeyValue value and text so that they do not affect the values. TDBEditEh: To display the editing area, a linear or multi-line to change the field of data or use as a purely demo. TDBDateTimeEditEh: To display the editing of the date or time on a line so that it can edit the date and time field in the data, or use it in a purely demo-like environment without changing the data. TDBComboBoxEh: To display the editing box, one or more lines are available to scroll through the list for editing data fields or use only to display without changing the data. TDBNumberEditEh: To display the numeric editing environment for editing a field containing numeric content from the data or use it solely for displaying and without changing data. TDBSumList: To count the total and amount of records in TDataSet with simultaneous editing. This component lists a list of TDBSum objects that include the type of operation (goSum or goCount), as well as the field name for displaying the calculation, and performs the corresponding request. TPreviewBox: Possibility to create a personal preview at runtime. TPrinterPreview: Provide a memory space for stunning data to print as they want to print. This component has all the functions and features of the TPrinter object. TPropStorageEh: Component with the ability to save or read the properties of the ini files, registry and … TMemTableEh: To store data in memory. It is also possible to consider the form of an array of records. Besides that: It supports a specific environment that allows the use of the DBGridEh component that can display all data without having to remove the active record. It is possible to fetch data from the TDataDriverEh object. And… TDataDriverEh: Responsible for performing two tasks: 1. Send data to TMemTableEh. 2. Processing TMemTableEh modified records (saving in another data or using an event to process changes) And… TDataSetDriverEh: Includes DataDriver, which is responsible for transferring TMemTableEh records from other databases. Process the records that have been modified in TMemTableEh and write them in another data set. TSQLDataDriverEh: A global interface for data and their interaction with the server using SQL. This component consists of five TSQLCommandEh objects: SelectCommand, DeleteCommand, InsertCommand, UpdateCommand, GetrecCommand. Each of these objects holds SQL commands and parameters to run a variety of SQL commands. TBDEDataDriverEh: To use the DataDriver Component. This component is responsible for assigning the connection, so that DataDriver sends queries to the server. TIBXDataDriverEh: The DataDriver component that interacts with the database server using the IBX driver. This component is responsible for assigning the connection, so that DataDriver sends queries to the server. TDBXDataDriverEh: The DataDriver component that interacts with the database server using the DBX driver. This component is responsible for assigning the connection, so that DataDriver sends queries to the server. TADODataDriverEh: The DataDriver component that interacts with the database server using the ADO driver. This component is responsible for assigning the connection, so that DataDriver sends queries to the server.
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Perl/Tk经典书,原版chm,我转成了pdf,方便打印。
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MySQL是一个流行的开源关系型数据库管理系统(RDBMS),广泛用于Web应用程序的后端数据存储。它基于结构化查询语言(SQL)来管理数据,并且是LAMP(Linux, Apache, MySQL, PHP/Python/Perl)技术栈的一部分,这个技术栈常用于构建动态网站和Web应用程序。 MySQL的特点包括: - **开放源代码**:MySQL的源代码是公开的,任何人都可以自由使用和修改。 - **跨平台**:MySQL可以在多种操作系统上运行,包括Linux、Windows、macOS等。 - **高性能**:MySQL以其快速的查询处理和良好的性能而闻名。 - **可靠性**:MySQL提供了多种机制来确保数据的完整性和可靠性,包括事务支持、备份和恢复功能。 - **易于使用**:MySQL提供了简单直观的界面和丰富的文档,便于用户学习和使用。 - **可扩展性**:MySQL支持从小型应用到大型企业级应用的扩展。 - **社区支持**:由于其广泛的使用,MySQL拥有一个活跃的开发者社区,提供大量的资源和支持。 MySQL被广泛应用于各种场景,包括在线事务处理(OL
C++OTL使用说明
C++OTL使用说明,HTML,保存的博客的网页,用浏览器打开查看
java读取oracle的读取空间数据
读取空间数据,pg比较简单,但是oralce就有些麻烦
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