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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