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C# update one datatable from another datatable

Posted on 2014-01-17
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Last Modified: 2014-01-17
How do I update a field of one DataTable from another Datatable?

I have 2 Datatables

Datatable #1:
UPC
Quantity
Price
NewPrice

Datatable #2
UPC
NewPrice


I want to update DataTable #1 with the NewPrice column from Datatable #2 when the UPCs of the 2 tables match. I'm interested in the exact code (for statement?) that will generate the results.
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Question by:esak2000
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2 Comments
 
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Accepted Solution

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Carl Tawn earned 2000 total points
ID: 39787977
Assuming dt1 is the table to be updated and dt2 is where the new values are coming from - and that UPC is set as the primary key for both - you'd want something like:
foreach (DataRow row in dt2.Rows)
{
    dt1.Rows.Find(row["UPC"])["NewPrice"] = row["NewPrice"];
}

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by:esak2000
ID: 39788198
nice and simple, thanks!
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