SqlDataReader Contains Column Extension Method

30. July 2015 16:59

It seems I have to look this up a lot.  Maybe if I write it down I’ll remember! This is a slick extension method to determine if a SqlDataReader contains a column. The code is originally from this SO post.

public static class DataRecordExtensions
    public static bool HasColumn(this System.Data.IDataRecord dr, string columnName)
        for (int i = 0; i < dr.FieldCount; i++)
            if (dr.GetName(i).Equals(columnName, StringComparison.InvariantCultureIgnoreCase))
                return true;
        return false;

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