Problem Statement: "Operation must use an updateable query." for ASP pages

Cause: There might be several reasons for this error. One of the most common reason is inappropriate permissions.

Error message:
Getting the error Microsoft JET Database Engine error '80004005'
Operation must use an updateable query.
/myfolder/test-page.asp, line 315

Step1: Login into server with administrator user

Step2: Now you have to go to wwwroot folder of your webpage for that Click on Start->Computer->C drive->
inetpub->Right click on wwwroot folder.

Step3: Click on Properties->Security->Edit->Select the IIS_IUSRS->Tick mark the required permission
(Read,Write and Modify) from the permission list->Ok.