Single Record Retrieval Template

The Single Record Retrieval template takes a simple approach to displaying records, perfect for those occasions when less is more, the Single Record template displays information from a single record in a top-down view. The design of this template makes it perfect for most child applications, including hover over windows and instances when there is a need for drilling down into details of a specific record.

Features that Apply to All m-Power Templates

Features that Apply to the Single Record Retrieval Template

All Templates Features:

Query Database Table:
m-Power templates allow you to retrieve rows of data from one or more database tables or database views. Utilizing SQL statements, m-Power connects to your database and allows you to access the data via a web application.
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Ad Hoc Template Specific:
m-Power templates allow the end user to sort the data fetched from the database. Ascending or descending order can be controlled from the table heading by clicking the up or down arrows. To turn this feature on or off, access the application properties and select Yes or No for the advancedSort property.
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Format Numeric Data:
m-Power templates allow developers to easily modify the numeric format of fields to better suit your needs, directly from the interface. An example of this can be the use of a comma at the thousand decimal point: (2,000) or the inclusion of decimal digits: (2,000.00) From the application menu, click Field Settings. For numeric fields you will see a Numeric Field Format column, use the drop down to select the numeric format you need.
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Filter Via Record Selections:
Create hard-coded or user interactive filters based on specific criteria from your data. This feature allows users to filter the data to display only those records that match the selection criteria. Several options are available to create the relationship of the search, including “equal to, not equal to, is in the list, is in the range” and many more. Learn more.
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Add Multi-Tenant Security:
m-Power applications can be secured to allow different users to access the same application, but see different results, based on the user login credentials. One example of this can be a report that contains records of customers for all the States in the USA, but the user will only work with the customers in his/her home State, via row level security m-Power can filter and display only the customers that the user is allowed to see. This technique allows you to fully implement scalable security solutions. Learn more.
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Override/Customizable Error Messages:
All m-Power templates allow you to modify the default error messages. Most error messages are generic in describing the issue, maybe you need your users to see a more personalized or informative error message. From the application properties developers can change the error message without having to open the code source of the application. Learn more.
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Add Drop-Down List or Lookup List to Text Input Fields:
Add a drop down list or lookup window to your application using m-Painter. These features will allow users to input data by selecting it from a list or lookup windows. This enhances the user experience, simplifies their tasks, and allow for less errors on data input. Learn more about Lookup Windows. Learn more about Dropdowns.
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Add Calendar Widget to Date Inputs:
Using m-Painter developers can add a calendar picker next to a date input field. The date format in the calendar picker can be modified to match the format in the database. This feature will save users time and it will ensure that the date format entered is consistent with the database. Adding a calendar picker will make your application look and feel more professional. Learn more.
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Call External Object Programs:
m-Power can handle your back-end business code too! The use of External Objects allows m-Power to tie into your custom coding easily, whether it is Java, SQL, or RPG. Learn more.
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Saved Searches:
For end users running applications, there is a feature that allows them to save the search and come back to it later, saving them time and making it more efficient by saving multiple searches and switching between them with just a click. These searches can be found on the right upper corner of the running application by clicking Options then Saved Searches. Learn more.
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Customize HTML with m-Painter:
m-Power ships with its own HTML editor. This tool, called m-Painter, allows you to modify the HTML code in a very easy way by using a WYSIWYG (What You See Is What You Get) editor, where all the graphical modifications are instantly visible. For the advance developers, there is a text editor mode too. You can access the HTML editor by clicking Presentation on the Application Menu. Learn more.
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Control DB Join Type:
When joining tables you can set the join type of the application to be Left Outer Join or Inner Join. An inner join specifies that only records in the primary table with matching records in the secondary table will be displayed.
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Add Row-Level Logical Fields:
m-Power allows you to create a logical field at the database level that is available to all applications. The options are Substring, Concatenation, or UDF (User Defined Function). By creating these files at the dictionary level, they are reusable across the entire dictionary, saving the developer time! Learn more.
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Tablet & Mobile Output:
m-Power allows developers to create applications specifically for PC browser, Tablet, and Smartphone devices. For the user, this means that they can access the same report on their PC, tablet, and smartphone and see a completely different output on each that has been tailor-made for their device. For the developer, it means that they can create and maintain one single application that will create the proper output formats automatically. Learn more.
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SmartLinks:
SmartLinks allow developers to easily link one application (Inquiry, Report, or Maintenance) to any other application, passing key data automatically. An example of this can be an Inquiry or a Report that links to a maintainer to update only an specific record and then redirect back to the list of records. By smartlinking applications m-Power makes it easy to link applications together to create smooth navigation between web applications. Learn more.
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Single Record Retrieval Features:

Displays One Record:
The Single Record Retrieval displays one row of data and allows the user to view details of that record in a top-down layout, without the distractions of multiple rows of data on the screen.
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Speedy Performance:
By displaying only one record at the time, the Single Record Retrieval can display the data in record time regardless of the size of the table.
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Great For Use On Smartlinks:
Creating and smartlink to other applications will allow developers to include a way of drilling down into more details of a record, the Single Record Retrieval is perfect for this use.
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Override-able SQL Statement:
The Single Record Retrieval template allows developers to override the SQL statement. This can be done by accessing the application properties and clicking on the SQL Statement tab. Learn more.
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Template Notes

Application Settings

Description: Allow developers to give their application a description.

 

Program Name: This will be the application’s name, by default m-Power uses the letter I (Inquiry) followed by a five digits number. Also by default, for every new application m-Power will look at the largest number in use and increase it by 10, you can manually change this number.
Note: The number must be unique in the Data Dictionary.

Select Only Matching Records: When joining to other tables, you have the option to create a Left Outer Join or and Inner Join. Selecting Yes (inner join) will include only matching records from the joined table. A simple example of this could be a Sales History table that links to a Product Master table. Now imagine some products have been discontinued and subsequently removed from the Product Master table. With an outer join, the discontinued products will still be reported. However, with an inner join, records without matching records in the product master will be omitted from the result set.

Template: You can select a template by scrolling left or right through the available templates. The templates define the general layout and functionality of the resulting application. This section will list all the available retrieval templates; you will see a small screenshot of what that template looks like at runtime. Learn more about templates.

Data Selection

Here you will see/modify the table you have selected for your application. Also, Here you can create or modify joins to other tables as well.

Sequencing

Here you can select the field that your application will sequence by; you can have multiple sequence fields. You can re-order the sequences to fit your application’s needs. Retrievals also have the power to allow end users to Ad-Hoc sort at runtime on a specific field or column. Learn more.

Field Settings

Here you will find the settings for all the fields in the application. The options are:

Delete: You can delete fields by clicking the checkbox and clicking Accept. If a field has a red circle with a cross line, that means that the field is being used somewhere else in the application (sequence, calculation, etc.), and, due to this dependency, is not available for deletion.
Note: Deleting a field will remove the field from the application only, the table will be unchanged.

 

Field Name: This is the same name the field has in the table.

Table: The name of the table where that field exists.

Field Description: This is the text that will appear in the column header for that field, you can modify this field to suit your needs. This field will populate with the field description from the table by default, but it can be customized at the application level.

Display: A radio button allows developers to display or hide the field from the output page. There may be situations where a field is needed for calculation purposes, but the field does not need to be displayed at runtime.

Length: Here you can modify the length of the field. m-Power will only allow developers to shorten the length of the field, shortening a fields length will truncate its data. For example, if a field is 10 alpha and it is changed to 5 alpha, now only the first 5 characters will be displayed. The same principle applies to a numeric field, if a numeric field is 8 digits long; changing it to 4 digits long will only display the first 4 digits, and leave out the rest of digits.

Decimals: For numeric fields, you can modify the amount of decimal digits. A numeric field will have the option of changing its decimal length, alpha fields does not have a decimal option, developers can use this as an indicator to check if a field is a numeric or character type.

Numeric Format Code: For numeric fields, you can modify the way the numbers will display, this includes displaying decimals or not, how to display negative numbers, etc. Multiple formats are built in for developers to use, shall you need a different format code, m-Power allows developers to create their own User Defined Format codes; these codes will add logic for common types of fields such as: Currency, Time, or Dates. Accessing the User Defined Format Codes from the Admin section will also allow developers to modify current codes. Learn more.
Note: Do not confuse the User Defined Format Code with the User Defined Functions (UDF). The latter is a feature that allows developers to create or incorporate programing functions into m-Power. Learn more about UDF’s.

User def: This feature has being deprecated

Record Selections

Record Selections can be created over fields from both primary as well as secondary tables. These are the options:

Field: A drop down allows you to select the field you want to filter on.

 

Relation: A drop down allows you to select a relationship for the filter.

Value: This is the value to compare against. The options are:

Constant Value: A constant value allows you to hard-code any given value into a selection. This value cannot be modified by the end-user at run–time.

Application Field Value: Developers have the option of comparing a value from one field to a value from another field within the same record.

And/Or: When creating multiple record selections, you have the option to set them as “and” or “or” Example: selection A “and” selection B will display only records that match both selections. Selection A “or” selection B will display records that match one or both selections. Learn more.

Calculations

Calculations are a very powerful feature of m-Power; with calculations, developers can create logical fields that will apply to the current application only. This can be used to include SQL code in a field, such as cast a numeric field as character, create date conversions, inserting the current date and time, and much more. Learn more.

External Objects

This feature allows developers to connect m-Power application with their current business logic, or to extend m-Power capabilities by allowing developers to write their own Java, RPG, or SQL programs, and integrating these programs into the applications. m-Power utilizes “locations” to connect the external objects, these locations vary depending on what the external object does and when it should be executed. The following locations are supported in this template: Learn more

*CALCOBJ Used when parameter calculations are present in the application. The external object is called after each row is processed.
*STRADVSCH This location has been deprecated.
*ADVRECSEC This location has been deprecated. Learn more about Row Level security.
*READRECRD This location will call the external object after each record is processed.
*SELECTFLT This location has been deprecated. Learn more about creating dropdown lists using m-Painter.

SmartLinks allow developers to easily link one application (Retrieval, Report, or Maintenance) to any other application, passing key data automatically. The benefits of this are many, including: creating applications that will allow developers to link a Retrieval to a Maintainer in order to update an specific record passing key parameters automatically. Create a Hover-Over window; create a popup dialog, and many more. By, passing parameters automatically when creating a link in m-Painter, SmartLinks save the developer time by simplifying the process. Learn more.

Note: After performing any changes in the above sections, the application must be recompiled for the changes to load. If the changes are to be displayed at runtime, then the Presentation Layer code (HTML) must be overwritten when recompiling the application.

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Template In-Action

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Application Properties

When accessing the Application Properties, a window will slide open with several tabs; let’s go through each of the tabs:

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Web Parameters

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Updated on September 29, 2021

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