can't build link between unbound forms


When I tried to link a child field with a master field, an erro message pop up "can't build link between unbound forms". How could I make my form and subform as bound?

Thanks a lot.
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when you create your forms using the wizard it asks you what table/query to base the form on. Using this information it sets the forms record source in the forms properties. this binds your form to the table/query you selected.

If both forms are bound in this way then when you add the subform it will suggest the link if it finds like fileds in both record sources.

for example



if you add a form based on tblCalls to the main form based on tblContacts then the subform wizard will pick up the similar fields and creat the link (with your approval)



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Suppose your table name is myTable,
 Please set the data record source : myTable

Step: 1. Open your form in design view
         2. Double Click on the left top tab
         3. In the From Properties
         4. Select Data
         5. In the [Record Source], enter you table name.
         6. Save and close it.


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