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i have 3 tables first one about employee info

second one for salary

third one look like a register day for work ...est

i create primary key in each of three tables so on

i create adapter when i write the query builder the builder cant make insert or delete or update .... why ???

i want a professional help to do this
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1 solution

All you need is go through these link:
Updating Data Sources with DataAdapters[^]
ADO.NET all[^]
 
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