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编程开发EhLib.VCL 10.0 Build 10.0.028 for Delphi 2009-10.4 Win英文安装版软件

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EhLib.VCL 10.0 Build 10.0.028 for Delphi 2009-10.4

EhLib。VCL 10.0 Build 10.0.028 for Delphi 2009-10.4

File Size|文件大小：345MB

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【安装类型：安装版====系统类型：Win====语言类型：英文】

EhLib套件包括各种版本的Delphi编程语言套件的组件和类，并增强以用户为中心的数据库软件的用户交互能力。

TDBGridhEh:

利用TDBGrid的所有特性和一些新特性:

允许选择记录、列和四边形环境。

指定给多个或所有列的特定标题。

插入一个页脚，该页脚可以显示sum字段、数字和其他字段的值。

能够调整列的大小以将表宽度调整为用户表宽度。

能够改变高度和标题

和…

TPrintDBGridEh:

提供从TDBGridEh组件预览和打印的功能和例程，具有更多功能，例如:

能够垂直加宽行，以便可以打印所有文本。

能够扩大表格，以包括整个页面。

预览和打印表格的标题

预览和打印页眉和页脚功能，使用当前页面显示宏，当前日期等。

TDBVertGridEh:

在垂直视图中显示数据集记录的组件。

显示字段标题的特色列。

能够编辑和修改单元格内容，例如dbgrid中的内容。

TDBLookupComboboxEh:

所有TDBLookupCombobox功能加上功能，如:

能够显示在平面格式

能够分配一个值，如KeyValue仅显示文本属性。

能够以数据列表中尚未包含的方式编写文本属性值(Style = csDropDownEh)。

能够以不影响值的方式维护KeyValue值和文本。

显示单行或多行编辑环境，以修改数据字段或用作纯粹的演示环境。

TDBDateTimeEditEh:

在一行上显示日期或时间编辑环境，使其能够编辑数据中包含的datetime字段，或者使用纯粹的可视化环境而不修改数据。

TDBComboBoxEh:

显示包含一行或多行的编辑框，可以滚动列表以编辑数据字段，也可以在不修改数据的情况下显示。

TDBNumberEditEh:

显示单行数字编辑环境，用于编辑包含数据数字内容的字段，或用于纯粹显示和保持数据不变。

TDBSumList:

计算TDataSet中记录的总和和数量，并具有同时编辑的能力。该组件接受一个TDBSum对象列表，其中包括操作类型(goSum或goCount)以及显示计算和执行请求的字段名。

TPreviewBox:

能够在运行时构建个人预览。

TPrinterPreview:

提供内存空间，以便以他们希望的方式查看打印数据。该组件具有TPrinter对象的所有功能和特性。

TPropStorageEh:

组件，可以保存或读取属性设置在ini文件，注册表等。

TMemTableEh:

用于在内存中存储数据。它也可以被看作是一个记录数组。

除此之外:

支持使用DBGridEh组件的特定环境，该组件能够在不删除活动记录的情况下显示所有数据。

可以从TDataDriverEh对象中获取数据。

它负责两项任务:

1. 发送数据到TMemTableEh。

2. 处理修改的TMemTableEh记录(保存到另一个数据或使用事件处理更改)

TDataSetDriverEh:

包括负责从其他数据集传输TMemTableEh记录的DataDriver。处理TMemTableEh中修改的记录，并将其写入另一个数据库。

TSQLDataDriverEh:

数据的全局接口以及它们与使用SQL的服务器的交互。该组件由5个TSQLCommandEh对象组成，包括:SelectCommand、DeleteCommand、InsertCommand、UpdateCommand、GetrecCommand。这些对象中的每一个都包含用于执行各种SQL语句的SQL语句和参数。

TBDEDataDriverEh:

使用DataDriver组件。该组件负责分配连接，以便DataDriver可以向服务器发送查询。

TIBXDataDriverEh:

使用IBX驱动程序与数据库服务器交互的DataDriver组件。该组件负责分配连接，以便DataDriver可以向服务器发送查询。

TDBXDataDriverEh:

使用DBX驱动程序与数据库服务器交互的DataDriver组件。该组件负责分配连接，以便DataDriver可以向服务器发送查询。

TADODataDriverEh:

使用ADO驱动程序与数据库服务器交互的DataDriver组件。该组件负责分配连接，以便DataDriver可以向服务器发送查询。

可以看到对不同版本的EhLib所做的更改集

The EhLib suite includes components and classes for various versions of the Delphi programming language suite and to enhance user-centric database software capacity for user interaction.
TDBGridhEh:
Take advantage of all TDBGrid features and several newer features to:
Allows selecting records, columns, and quadrilateral environments.
Specific headings that are assigned to multiple or all columns.
Insert a footer that can display the values of the sum fields, the number, and the rest.
Ability to resize columns to adjust table width to user table width.
Ability to change height and title
And…
TPrintDBGridEh:
Providing features and routines for previewing and printing from the TDBGridEh component with more features such as:
Ability to widen rows vertically so that all text can be printed.
Ability to enlarge the table to include the entire page.
Preview and print caption for tables
Preview and print header and footer capability to use current page display macros, current date, etc.
And…
TDBVertGridEh:
A component to display a record of a dataset in a vertical view.
Featured column to display field title.
Ability to edit and modify cell contents such as those in DBGridEh.
TDBLookupComboboxEh:
All TDBLookupCombobox features plus features like:
Ability to display in flat format
Ability to assign a value like KeyValue only to display text attribute.
Ability to write text property values in a manner not already included in the data list (Style = csDropDownEh).
Ability to maintain KeyValue value and text in a way that does not affect values.
To display a one-line or multi-line editing environment to modify a field of data or to use as a purely demo environment.
TDBDateTimeEditEh:
To display the date or time editing environment on a line in such a way that it can edit the datetime field contained in the data, or to use a purely visual environment and not to modify the data.
TDBComboBoxEh:
To display an edit box containing one or more lines with the ability to scroll the list for editing data fields or to use for displaying without modifying data.
TDBNumberEditEh:
To display a one-line editing environment of numbers for editing a field containing numeric content of the data, or for purely displaying and unchanging data.
TDBSumList:
To count the sum and amount of records in TDataSet with the ability to edit simultaneously. This component takes a list of TDBSum objects, which includes the type of operation (goSum or goCount) as well as the field name to display the calculations and executes the request.
TPreviewBox:
Ability to build a personal preview at runtime.
TPrinterPreview:
Providing memory space for staring at print data the way they want it to be printed. This component has all the functions and features of a TPrinter object.
TPropStorageEh:
Component that can save or read attribute settings in ini files, registry, etc.
TMemTableEh:
Used to store data in memory. It can also be considered as an array of records.
Besides that:
Supports a specific environment that enables the use of the DBGridEh component, which is capable of displaying all data without removing the active record.
Can fetch data from TDataDriverEh object.
And…
It is responsible for two tasks:
1. Send data to TMemTableEh.
2. Processing Modified TMemTableEh Records (Save to Another Data or Use Event to Process Changes)
And…
TDataSetDriverEh:
Includes DataDriver which is responsible for transferring TMemTableEh records from other datasets. Processing modified records in TMemTableEh and writing them to another database.
TSQLDataDriverEh:
Global interface for data and their interaction with the server using SQL. This component is composed of five TSQLCommandEh objects, including: SelectCommand, DeleteCommand, InsertCommand, UpdateCommand, GetrecCommand. Each of these objects holds SQL statements and parameters for executing a variety of SQL statements.
TBDEDataDriverEh:
To use the DataDriver component. This component is responsible for allocating the connection so that the DataDriver can send queries to the server.
TIBXDataDriverEh:
DataDriver component that interacts with the database server using the IBX driver. This component is responsible for allocating the connection so that the DataDriver can send queries to the server.
TDBXDataDriverEh:
DataDriver component that interacts with the database server using a DBX driver. This component is responsible for allocating the connection so that the DataDriver can send queries to the server.
TADODataDriverEh:
DataDriver component that interacts with the database server using the ADO driver. This component is responsible for allocating the connection so that the DataDriver can send queries to the server.
The set of changes made to various versions of EhLib can be seen here .
Platform support: VCL, LCL
(Support IDEs: Borland Delphi 7 – 2006, CodeGear Delphi 2007, RAD Studio 2009, Embarcadero RAD Studio 2010, XE – XE8, Lazarus (Win32
This component is usually published as Full Source Code and is complete.
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20 MB

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EhLib.VCL 10.0 Build 10.0.028 for Delphi 2009-10.4

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