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display error message on label if data not in database

Akshay Singh

Akshay Singh
6y
755
1
i am new in asp.net
 
 
When search records from the database via textbox by clicking the search button
if not enter any value in the textbox and click search it does not gives any error message like "value not present" or "something goes wrong "
 
code files are attched here

Attachment: Desktop.rar

Answers (3)
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