I have Textbox-A and Textbox-B. Textbox-A is mandatory.
If a user comes to Textbox-A and without entering anything if he moves to next available control (Textbox-B) either by tabbing or by moving the cursor,
error message should be displayed.
Could anyone of you please help me by telling in which event to write the validation.
Looking forward to hear from you ASAP.
Thanks in Advance
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