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Introduction

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The easiest way to see how the AJAX Subform works is to create a new app. Here are the steps:

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1. Start the Joget Server and open the App Center.
   
   
2. Log in as admin and click on the Design New App button. (see Figure 1)
   
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   Figure 1
   
   
3. Fill up the App Details as follows and click Save (see Figure 2):
   1. App ID: ajaxSubform
   2. App Name: AJAX Subform
   
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   Figure 2
   
   
4. You will be directed to the Design App. Click on the Create New Form button and fill up the Form Details as follows (see Figure 3):
   
   1. Form ID: formA
   2. Form Name: Form A
   3. Table Name: as_a
   
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   Figure 3
   
   
5. Click on Save and you will be directed to the  Form Builder.
   
   
6. Drag and drop a Text Field element on to the canvas.
   
   
7. Hover the mouse over the Text Field element on the canvas and click on Edit to open up the Edit Text Field properties.
   
   
8. Fill up the Edit Text Field  properties as follows and click on OK (see Figure 4):
   1. ID: name
   2. Label: Name
   
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   Figure 4
   
   
9. Click on Save on the Form Builder.
   
   
10. Click on Generate App, select Generate CRUD and click OK (see Figure 5)
    
    
11. Once the App Generator is complete, click on the link to launch the userview.
    
    
12. Click on New button and Save at least 2 records of data (see Figure 5)
    
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    Figure 5
    
    
13. Head back to the Design App.
    
    
14. Click on the Create New Form button and fill up the Form Details as follows (see Figure 6):
    
    1. ID: formB
    2. Form Name: Form B
    3. Table Name: as_b
    
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    Figure 6
    
    
15. Click on Save and you will be directed to the  Form Builder. 
    
    
16. Drag and drop a Select Box element on to the canvas.
    
    
17. Hover the mouse over the Select Box element on the canvas and click on Edit to open up the Edit Select Box properties.
    
    
18. Fill up the Edit Select Box properties as follows and click on Next (see Figure 7):
    1. ID: field1
    2. Label: Choose record from Form A

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1. 1. Choose Options Binder: Default Form Options Binder
      
      
2. Fill up the following details in the

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1. Select Form and click OK (see Figure 7):

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   1. 1. Form: Form A
      2. Label Column: name
      
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      Figure 7
      
      
   2. Drag and drop an AJAX Subform element on to the canvas.
      
      
   3. Hover the mouse over the AJAX Subform element on the canvas and click on Edit to open up the Edit AJAX Subform properties.
      
      
   4. Fill up the Edit AJAX Subform properties as follows and click on Next (see Figure 8):
      1. Form: Form A
      
      
      
   5. Tick the first three checkboxes and click Next (see Figure 8)
      
      
   6. Fill up the Edit AJAX Subform properties as follows and click on OK (see Figure 8):
      1. Parent Field to keep Subform ID: field1
      
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      Figure 8
      
      
   7. Click on Preview and select between the records in the Select Box to see the Subform dynamically loads the appropriate record.

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   How to use AJAX Subform

   Widget Connector
   width 700 url https://www.youtube.com/watch?v=arYXY7TDOtA height 550

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   AJAX Subform Properties

   Edit AJAX Subform 

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   Screens (Click to view)Image Removed

   Name	Description
   ID	Element ID (By declaring as "view_existing_claim", a corresponding database table column "c_view_existing_claim" will be created)	Please see Form Element for more information about defining the ID and list of reserved IDs.
   Label	Element Label to be displayed to the end-user.
   Form	Target Form to be loaded. Info title Usage of Hash Variable The use of Hash Variables inside the target form is permissible but may be limited due to the nature of how the form is loaded. Example 1: One can use #requestParam.primaryKey# to access the record ID. Example 2: One can use #form.tableName.fieldId[{requestParam.primaryKey}]# to access field value of the given record ID.

   
   

   UI

   General

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   Name	Description	Screens (Click to view)
   Reload SubForm when Parent Field value change?	Dynamically reload the subform when parent field value changes. Info Parent Field value here refers to the Parent Field to keep Subform ID setting in the next tab.	Image Removed
   Readonly	Determines if the element is editable.
   Display field as Label when read-only?	Displays the value of the element as plain text when an element is set to "Readonly".
   Display without frame?	Decorator option. Removes default styling applied to SubForm when checked.
   Collapsible?	Make the AJAX Subform collapsible.

   
   

   
   

   Collapsible Setting

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   Name	Description	Screens (Click to view)
   Collapsible?	Make the AJAX Subform collapsible.
   Label when expanded	Label when expanded
   Label when collapsed	Label when collapsed
   Expanded by default?	Expanded by default option.
   Hide when no value?	To hide the AJAX Subform when there's no data to be loaded.
   Do not load subform in background when it is collapsed or hidden	To not load the subform when it is collapsed or hidden. Info title New Feature Newly introduced in Joget DX

   
   

   Data & Binder

   Data Linkage

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   Name	Description	Screens (Click to view)
   Parent Field to keep Subform ID	The ID of the field in the parent form to store the SubForm table's primary key. SubForm data will be loaded based on the record ID retrieved from this field.
   Subform Field to keep Parent ID	The ID of the field in the SubForm form to store the parent table's primary key.
   Store Binder	By default, the Workflow Form Binder plugin is used for loading and storage of form data in the AJAX Subform, you may override it with other plugins. Info title Important The target form's Store Binder will not be executed. The Store Binder selected in this property will be executed instead. See the list of available Form Binder.

   
   

   
   

   Binder

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   Name	DescriptionScreens (Click to view)
   Store Binder	By default, the Workflow Form Binder plugin is used for loading and storage of form data in the AJAX Subform, you may override it with other plugins. Info title Important The target form's Store Binder will not be executed. The Store Binder selected in this property will be executed instead. See a list of available Form Binder.Image Removed

   
   

   Related Video Tutorials

   Widget Connector
   url https://www.youtube.com/watch?v=TXh_5_Wh26Y&feature=youtu.be

   
   

   
   

   Download Demo App

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   Download the demo app with examples on using Ajax Subform with two options: 'JDBC SQL query' and ' Workflow Form Binder':

   • APP_ajax_subform_jdbc

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   • _dx_kb.jwa

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