Change the second layer to three layers how to change the data set control

The old two-tier program often uses Tadoquery as a data set control, and changes to three layers are often replaced with tclientdataset controls.

How to change?

1) right mouse button, click "VIEW as TEXT"

2) The code to make changes, the actual need to remove the line of comments.

3) right mouse button, click "VIEW as FORM", will error, click "IGNORE All (Ignore All)".

4) The IDE Click to save all the buttons, will error, all point "YES", to successfully convert Tadoquery to TClientDataSet control

Change the second layer to three layers how to change the data set control