The second step in setting up the “Attachment Control” is the control connection with the “attribute defined in step one” in the design of the responsive form, the description of which is described below.

1. By holding the left mouse button on the control of the attachment in the control list, and then dropping the mouse in the row or cell, the control is inserted in the yellow column.

2. To bind an attribute to the control, first click on the control, then click on the “DataMember” section and click the button to select the attribute.

3. By selecting the button , the “object selector” that contains the attributes defined in the entity is displayed.