Try sendKeys with the search text like SendKeys("ABCD") . Try sendkeys method with the textbox if SendKeys not available for the textbox Focus it first then execute SendKeys of Form/Frame parent control.
If you could share the screenshot will be more helpful.
Thanks for your reply. its working fine with SendKeys in form level. but when i lock the machine its not working due to this issue i am not supposed to use. can someone please let me know if there is any way to achieve this,
You should consider opening an SR with our support team. They may be able to assist you with a better way to perform this step. You are correct in that SendKeys will not work when the desktop is locked.
If you do open an SR, please post the SR number here for tracking purposes. The following article will be help you in creating an SR-