How to Create a Private Data Session in a Form

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To create a Private Data Session in a form, follow these steps:

1. Type the following command in the Command window, and press the ENTER key:

      Create Form test

2. Using the right mouse button, click the form, and select Data Environment.
3. Using the right mouse button, click the Data Environment, and select Add.
4. Select the Other option in the Add Table or View dialog box.
5. Select the Customer table from the \VFP\SAMPLES\DATA directory.
6. Drag the Company field from the Data Environment to the form. Note that the control source property should be Customer.company.
7. Choose the push button option from the form controls toolbox.
8. Go to the click event of the push button and double-click. Type the command Skip, and press the ENTER key. Then type the command Thisform.Refresh, and press the ENTER key. Close this window.
9. Go to the properties dialog, and select Form1 as the object. Then select the DataSession property, and change to Private Data Session from Default Data Session.
10. Save the form. Then run it by typing the following command in the Command window:

        Do Form Test

11. Execute the same command again, and use the push button to move in the table. Note that the record pointer is positioned in a completely different position in the separate sessions of the form.

Change the DataSession property back to default and run two sessions of the same form and note the difference in the movement of the record pointer.