Visual Basic .net: Datagridview multiple columns search from 4 tables using inner join-with code

Visual Basic .net: Datagridview multiple columns search from 4 tables using inner join-with code
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#programming_for_everybody
Tags:
4 table
datagridview
inner join
search
vb net
visual
visual basic net
visual basic programming

[buddhikaperera]

thanks sir... l always learn from you a lot..

[taufiqputra]

I write all code exactly but no one record showed up in data grid view. but when I marked comment on all line query1 &= then datagridview shows all the datas but I can't performs searching function. please your advise where am I wrong? 🙏

[mthokozisi]

HELLOW SIR..THANKS FOR YOUR HELP, but I ALWAYS GET THE SAME ERROR WITH YOUR CODE 'The SelectCommand property has not been initialized before calling 'Fill'.' PLZ HELP

[ferhatallel]

please, how to add a condition to this code to hide null or zero values, I have already asked the same question you have not answered me