Articles by David C. Williams (Tip/Trick: 1)

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ASP.NET

DuplicateNameException when adding columns to a DataTable dynamically [Tip/Trick]

24 Jun 2011 Updated: 24 Jun 2011 Rating: 4.00/5 Votes: 1 Popularity: 0.00

Licence: CPOL Views: 26,723 Bookmarked: 0 Downloaded: 0

When building an ADO.NET DataTable dynamically in your code, each column name must be unique or you get a System.Data.DuplicateNameException. If you don't know at design time that the columns you will be adding are certain to have unique names, you can use this method to avoid a runtime error.

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David C. Williams

United States

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