Merge branch 'DKStudio-master'

src/CsvHelper/CsvDataReader.cs

@@ -77,7 +77,7 @@ public CsvDataReader(CsvReader csv, DataTable schemaTable = null)
 
 			csv.Read();
 
-			if (csv.Configuration.HasHeaderRecord)
+			if (csv.Configuration.HasHeaderRecord && csv.HeaderRecord == null)
 			{
 				csv.ReadHeader();
 			}

tests/CsvHelper.Tests/Issues/Issue2060.cs

@@ -0,0 +1,42 @@
+using System.Data;
+using System.Globalization;
+using System.IO;
+using Xunit;
+
+namespace CsvHelper.Tests.Issues
+{
+	public class Issue2060
+	{
+		[Fact]
+		public void Test1()
+		{
+			var data =
+				"""
+				A
+				B
+				C
+				Id,Name
+				1,Jeff
+				2,Kevin
+				""";
+			using var reader = new StringReader(data);
+			using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);
+			while (csv.Read())
+			{
+				if (csv[0] == "Id")
+				{
+					break;
+				}
+			}
+
+			csv.ReadHeader();
+
+			using var dr = new CsvDataReader(csv);
+			var dt = new DataTable();
+			dt.Load(dr);
+
+			Assert.Equal("Id", dt.Columns[0].ColumnName);
+			Assert.Equal("Name", dt.Columns[1].ColumnName);
+		}
+	}
+}