How to Create EDT relation in AX 2012

setp 1. First create New Edit.

setp 2.Create New Table Name is "TestParent" Table

then drag and drop the newly created Edt in "TestParent" Table

setp 3.Create Index for new created EDT in "TestParent" Table

the properties on index is AllowDuplicates to No and Alternativekey to Yes

setp 4.then select the "TestParent" Table and right click on it select properties sheet set the "primary index" property i.e the newly created index

setp 5.Then go to EDT and right click on it ,select property sheet then go to "Reference Table" property Set it to "TestParent" Table Name

setp 6.Create a Second Table i.e child Table

setp 7.Then Drag and drop the EDT

then it will prompt the one dialog box

in that dialog box click Yes button then lookup will created on that field.

Happy Daxing... :-)