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Fix incorrect exception type in DataTableReader.GetOrdinal documentation #11461

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Fix incorrect exception type in DataTableReader.GetOrdinal documentation #11461

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Copilot Jun 17, 2025
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Fix incorrect exception type in DataTableReader.GetOrdinal documentation
Copilot Jun 17, 2025
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2 changes: 1 addition & 1 deletion xml/System.Data/DataTableReader.xml
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Expand Up @@ -1498,7 +1498,7 @@ Russ
## Remarks
Because most of the methods provided by the <xref:System.Data.DataTableReader> class must be provided with an ordinal column number, you can use the `GetOrdinal` method to retrieve the column number, given the name of the column.

`GetOrdinal` performs a case-sensitive lookup first. If it fails, a second case-insensitive search is made. If the column number is not found an `IndexOutOfRangeException` is thrown.
`GetOrdinal` performs a case-sensitive lookup first. If it fails, a second case-insensitive search is made. If the column number is not found an `ArgumentException` is thrown.

`GetOrdinal` is kana-width insensitive.

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