diff --git a/Pages/Index.cshtml.cs b/Pages/Index.cshtml.cs
index 7622a78..9c75841 100644
--- a/Pages/Index.cshtml.cs
+++ b/Pages/Index.cshtml.cs
@@ -50,21 +50,19 @@ namespace webmusic.Pages {
 			private readonly bool _isAscending;
 
 			public NaturalSortComparer(bool inAscendingOrder = true) {
-				this._isAscending = inAscendingOrder;
+				_isAscending = inAscendingOrder;
 			}
 
 			int IComparer<string>.Compare(string x, string y) {
 				if (x == y)
 					return 0;
 
-				string[] x1, y1;
-
-				if (!_table.TryGetValue(x!, out x1)) {
+				if (!_table.TryGetValue(x!, out var x1)) {
 					x1 = Regex.Split(x.Replace(" ", ""), "([0-9]+)");
 					_table.Add(x, x1);
 				}
 
-				if (!_table.TryGetValue(y!, out y1)) {
+				if (!_table.TryGetValue(y!, out var y1)) {
 					y1 = Regex.Split(y.Replace(" ", ""), "([0-9]+)");
 					_table.Add(y, y1);
 				}
@@ -92,11 +90,10 @@ namespace webmusic.Pages {
 			}
 
 			private static int PartCompare(string left, string right) {
-				int x, y;
-				if (!int.TryParse(left, out x))
+				if (!int.TryParse(left, out var x))
 					return string.Compare(left, right, StringComparison.Ordinal);
 
-				return !int.TryParse(right, out y) ? string.Compare(left, right, StringComparison.Ordinal) : x.CompareTo(y);
+				return !int.TryParse(right, out var y) ? string.Compare(left, right, StringComparison.Ordinal) : x.CompareTo(y);
 			}
 
 			private Dictionary<string, string[]> _table = new();