Search for duplicate values before saving datatable

Question

Hi,

I have a datagridview which shows the data from a table. I load the data via a dataadapter so that i can apply updates made in the datagridview. This works.
How can i check for duplicate values before i apply the updates?

Greatings Hans

Answer 1

They're actively answering Forms data control questions in dedicated forums here.
https://social.msdn.microsoft.com/Forums/windows/en-US/home?forum=winformsdatacontrols

--please don't forget to Accept as answer if the reply is helpful--

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Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows Server] Datacenter Management

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