Fix a bug where headers on subsequent sheets might not load properly.

docs/ReleaseNotes.md

@@ -1,5 +1,8 @@
 # Sylvan.Data.Excel Release Notes
 
+_0.4.19_
+- Fix a bug where headers might not be read properly on sheets after the first sheet.
+
 _0.4.18_
 - Fix a bug where column filters were applied to one too many columns when writing .xlsb files.
 - Fix a bug where data would be skipped when headers were disabled and a worksheet started with blank line(s).

source/Sylvan.Data.Excel.Tests/ExcelDataReaderTests.cs

@@ -1284,6 +1284,24 @@ public void Date1900()
 		Assert.Equal(new DateTime(2025, 1, 21), edr.GetDateTime(0));
 	}
 
+	[Fact]
+	public void MultiSheetHeaders()
+	{
+		var file = GetFile("MultiSheet");
+		var edr = ExcelDataReader.Create(file);
+		var s = edr.GetColumnSchema();
+		var c = s.Count;
+		Assert.Equal(1, c);
+		Assert.Equal("a", s[0].ColumnName);
+		while (edr.Read()) ;
+		Assert.True(edr.NextResult());
+		s = edr.GetColumnSchema();
+		c = s.Count;
+		Assert.Equal(1, c);
+		Assert.Equal("d", s[0].ColumnName);
+		Assert.False(edr.NextResult());
+	}
+
 #if ASYNC
 
 	[Fact]

source/Sylvan.Data.Excel/Sylvan.Data.Excel.csproj

@@ -3,7 +3,7 @@
 	<PropertyGroup>
 		<TargetFrameworks>net6.0;netstandard2.1;netstandard2.0</TargetFrameworks>
 		<LangVersion>latest</LangVersion>
-		<VersionPrefix>0.4.18</VersionPrefix>
+		<VersionPrefix>0.4.19</VersionPrefix>
 		<Description>A cross-platform .NET library for reading Excel data files.</Description>
 		<PackageTags>excel;xls;xlsx;xlsb;datareader</PackageTags>
 		<Nullable>enable</Nullable>

source/Sylvan.Data.Excel/Xlsx/XlsxWorkbookReader.cs

@@ -210,7 +210,7 @@ private protected override bool OpenWorksheet(int sheetIdx)
 		};
 
 		this.reader = XmlReader.Create(tr, settings);
-
+		this.rowIndex = 0;
 		// worksheet
 		while (reader.Read())
 		{
@@ -262,7 +262,7 @@ public override bool NextResult()
 		{
 			return false;
 		}
-
+		
 		return OpenWorksheet(sheetIdx);
 	}