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Localized version

Header가 'X'인 DataGridColumn이 DataGrid의 Columns 컬렉션에 이미 있습니다. DataGrids는 열을 공유할 수 없으며 중복 열 인스턴스를 포함할 수 없습니다.
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English version

DataGridColumn with Header 'X' already exists in the Columns collection of a DataGrid. DataGrids cannot share columns and cannot contain duplicate column instances.
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Localized version
 Korean

Error category
 .Net Framework

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