Download EhLib 10.2 Build 10.2.038 Professional Edition – Full Source

Description

The EhLib collection contains components and classes for different versions of the programming language collection. Delphi And to increase the capacity of user-side database software to interact with users.

The list and features of the components included in the EhLib collection:

TDBGridhEh:
Ability to use all TDBGrid features and several newer features for:
Allow selection of records, columns and rectangles.
Special headings to be assigned to several or all columns.
Include a caption that can display the values of the total, count, and other fields.
The ability to change the size of the columns to adjust the width of the table to the width of the user’s table.
Ability to change height and title
And…

TPrintDBGridEh :
Providing properties and routines for preview and printing from TDBGridEh component with more features such as:
Ability to widen lines vertically so that all text can be printed.
Ability to enlarge the table to cover the entire page.
Ability to preview and print titles for tables
The ability to preview and print the header and footer to use macros to display the current page, current date, etc.
And…

TDBVertGridEh:
A component to display a record of a dataset (dataset) vertically.
It has a special column to display the title of the field.
The ability to edit and change cell content is like the facilities in DBGridEh.

TDBLookupComboboxEh:
Providing all the features of TDBLookupCombobox plus features such as:
Possibility of display with flat format
Ability to assign a value to such as KeyValue only to display the text property.
The possibility of writing (assigning) values to the text property (Text property) in a way that is not included in the data list before (Style = csDropDownEh).
The ability to preserve the value of KeyValue and text so that they do not affect the values.

TDBEditEh:

To display the one-line or multi-line editing environment to change a field of the dataset or to use it as a display environment only.

TDBDateTimeEditEh:
To display the date or time editing environment in one line so that it can edit the date and time field in the dataset, or to use it as a purely display environment and not change the data.

TDBComboBoxEh:
To display an edit box containing one or more lines with the ability to scroll through the list to edit the dataset fields or use it only to display the data without changing it.

TDBNumberEditEh:
To display the one-line number editing environment for editing a field containing numeric content from the dataset or using it only for display without changing the data.

TDBSumList:
To count the total and amount of records in TDataSet with the possibility of simultaneous editing. This component takes a list of TDBSum objects, which includes the type of operation (goSum or goCount) as well as the name of the field to display the calculation, and performs the corresponding request.

TPreviewBox:
The possibility of creating a personal preview at runtime.

TPrinterPreview:
Providing memory space to store the data to be printed as it is intended to be printed. This component has all the functions and features of the TPrinter object.

TPropStorageEh:
A component with the ability to save or read feature settings in ini files, registry, etc.

TMemTableEh:
It is used to store data in memory. It can also be considered as an array of records.
Besides that:
It supports a specific environment that allows the use of the DBGridEh component, which has the ability to display all data without losing sight of the active record.
It is possible to retrieve data from the TDataDriverEh object.
And…

TDataDriverEh:

It is responsible for two tasks:
1. Send data to TMemTableEh.
2. Processing of TMemTableEh changed records (storing in another dataset or using an event to process changes)
And…

TDataSetDriverEh:
Contains DataDriver which is responsible for transferring TMemTableEh records from other datasets. Process changed records in TMemTableEh and write them to another dataset.

TSQLDataDriverEh:
A universal interface for data and its interaction with the server using SQL. This component consists of five TSQLCommandEh objects including: SelectCommand, DeleteCommand, InsertCommand, UpdateCommand, GetrecCommand. Each of these objects holds SQL commands and parameters for executing various SQL commands.

TBDEDataDriverEh:
To use the DataDriver component. This component is responsible for allocating the connection interface, 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 interface, so that the DataDriver can send queries to the server.

TDBXDataDriverEh:
DataDriver component that interacts with the database server using the DBX driver. This component is responsible for allocating the connection interface, 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 interface, so that the DataDriver can send queries to the server.

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Collection of changes made in different versions of EhLib from Here Is visible.

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