Displaying the record on the confirmation page (ColdFusion)

Displaying the record on the confirmation page (ColdFusion)

After completing the page listing the records (see Creating a URL parameter to pass to the confirmation page (ColdFusion)), switch to the confirmation page. The confirmation page shows the record and asks the user if they're sure they want to delete it. When the user confirms the operation by clicking the form button, the web application deletes the record from the database.

Building this page consists of creating an HTML form, retrieving the record to display in the form, displaying the record in the form, and adding the logic to delete the record from the database. Retrieving and displaying the record consists of defining a recordset to hold a single record--the record the user wants to delete--and binding the recordset columns to the form. The steps are outlined in more detail below.

To create an HTML form to display the record:

  1. Create a new ColdFusion page and save it as the confirmation page you specified in the previous section.

    You specified a confirmation page when you created the Delete link in the previous section. Use this name when saving the file for the first time (for example, deleteConfirm.cfm).

  2. Insert an HTML form on the page (Insert > Form > Form).
  3. Add a hidden form field to the form.

    The hidden form field is required to store the record ID passed by the URL parameter. To add a hidden field, place the insertion point in the form and select Insert > Form > Hidden Field.

  4. Add a button to the form.

    The user will click the button to confirm and delete the displayed record. To add a button, place the insertion point in the form and select Insert > Form > Button.

  5. Enhance the design of the page any way you want and save it.

To retrieve the record the user wants to delete:

  1. In the Bindings panel (Window > Bindings), click the Plus (+) button and select Recordset (Query) from the pop-up menu.

    The simple Recordset dialog box appears. If the advanced Recordset dialog box appears instead, click Simple to switch to the simple Recordset dialog box.

  2. Name the recordset, then select a ColdFusion data source and the database table that contains the records that users can delete.
  3. In the Columns area, select the table columns (record fields) you want to display on the page.

    To display only some of the record’s fields, click Selected and choose the desired fields by Control-clicking (Windows) or Command-clicking (Macintosh) them in the list.

    Make sure to include the record ID field even if you won't be displaying it.

  4. Complete the Filter section as follows to find and display the record specified in the URL parameter passed by the results page:
    • From the first pop-up menu in the Filter area, select the column in the recordset containing values that match the value of the URL parameter passed by the page with the Delete links. For example, if the URL parameter contains a record ID number, select the column containing record ID numbers. In the example discussed in the previous section, the recordset column called CODE contains the values that match the value of the URL parameter passed by the page with the Delete links.
    • From the pop-up menu beside the first menu, select the equal sign, if not already selected.
    • From the third pop-up menu, select URL Parameter. The page with the Delete links uses a URL parameter to pass information to the confirmation page.
    • In the fourth text box, enter the name of the URL parameter passed by the page with the Delete links.

      For example, if the URL used to open the confirmation page included the suffix confirmDelete.cfm?recordID=CBR, then enter recordID.

      The Recordset dialog box should look as follows.

      This is a picture of the feature being described.

  5. Click OK.

The recordset appears in the Bindings panel.

To display the record the user wants to delete:

  1. Select the recordset columns in the Bindings panel and drag them to the confirmation page.

    Make sure you insert this read-only dynamic content within the form boundaries. For more information on insert dynamic content in a page, see Making text dynamic.

    Next, you must bind the record ID column to the hidden form field.

  2. Make sure Invisible Elements are turned on (View > Visual Aids > Invisible Elements), then click the yellow shield icon representing the hidden form field.

    The hidden form field is selected.

  3. In the Property inspector, click the lightning bolt icon beside the Value text box.

    The Dynamic Data dialog box appears.

  4. In the Dynamic Data dialog box, select the record ID column in the recordset.

    In the following example, the record ID column selected is CODE.

    This is a picture of the feature being described.

  5. Click OK and save the page.

The completed confirmation page should look similar to the following.

This is a picture of the feature being described.

After displaying the record on the confirmation page, the next step is to add logic to delete the record. See Adding logic to delete the record (ColdFusion).



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