diff --git a/ClosedXML/ClosedXML/ClosedXML.sln b/ClosedXML/ClosedXML/ClosedXML.sln
index 67b4c91..2ec88b1 100644
--- a/ClosedXML/ClosedXML/ClosedXML.sln
+++ b/ClosedXML/ClosedXML/ClosedXML.sln
@@ -135,6 +135,9 @@
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
+	EndGlobalSection
 	GlobalSection(TestCaseManagementSettings) = postSolution
 		CategoryFile = ClosedXML.vsmdi
 	EndGlobalSection
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/IXLCell.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/IXLCell.cs
index 6cd4edb..157017f 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/IXLCell.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/IXLCell.cs
@@ -250,6 +250,7 @@
         IXLWorksheet Worksheet { get; }
 
         IXLDataValidation DataValidation { get; }
+        IXLDataValidation NewDataValidation { get; }
         IXLDataValidation SetDataValidation();
 
 
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCell.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCell.cs
index d6b7826..281e85a 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCell.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCell.cs
@@ -140,6 +140,17 @@
             }
         }
 
+        public IXLDataValidation NewDataValidation
+        {
+            get
+            {
+                using (var asRange = AsRange())
+                {
+                    return asRange.NewDataValidation; // Call the data validation without breaking it into pieces
+                }
+            }
+        }
+
         public XLDataValidation DataValidation
         {
             get
@@ -159,9 +170,6 @@
                                 return d as XLDataValidation;
                         }
                     }
-                    //return
-                    //    Worksheet.DataValidations.First(
-                    //        d => d.Ranges.Count == 1 && d.Ranges.Single().RangeAddress.ToStringRelative().Equals(asRange.RangeAddress.ToStringRelative())) as XLDataValidation;
                 }
                 return null;
             }
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
index 6b946c8..3ac3162 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
@@ -95,6 +95,18 @@
             get { return RangeAddress.Worksheet; }
         }
 
+        public XLDataValidation NewDataValidation
+        {
+            get
+            {
+                var newRanges = new XLRanges { AsRange() };
+                var dataValidation = new XLDataValidation(newRanges);
+                
+                Worksheet.DataValidations.Add(dataValidation);
+                return dataValidation;
+            }
+        }
+
         public XLDataValidation DataValidation
         {
             get
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Tables/XLTable.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Tables/XLTable.cs
index afed638..112221e 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Tables/XLTable.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Tables/XLTable.cs
@@ -73,7 +73,7 @@
                         if (_fieldNames.ContainsKey(name))
                             throw new ArgumentException("The header row contains more than one field name '" + name + "'.");
 
-                        _fieldNames.Add(name, new XLTableField(this) {Index = cellPos++, Name = name});
+                        _fieldNames.Add(name, new XLTableField(this) {Index = cellPos++ });
                     }
                 }
                 else
@@ -87,7 +87,7 @@
                         {
                             var name = "Column" + i;
 
-                            _fieldNames.Add(name, new XLTableField(this) {Index = i - 1, Name = name});
+                            _fieldNames.Add(name, new XLTableField(this) {Index = i - 1 });
                         }
                     }
                 }
diff --git a/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs b/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
index f9cf5a0..5600666 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
+++ b/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using ClosedXML.Excel;
@@ -14,18 +15,42 @@
     {
         private static void Main(string[] args)
         {
-            var workbook = new XLWorkbook();
-            var worksheet = workbook.AddWorksheet("Test");
-            worksheet.Cell(2, 2).SetValue("Text");
-            var cf = worksheet.Cell(2, 2).AddConditionalFormat();
-            var style = cf.WhenNotBlank();
-            style
-                    .Fill.SetBackgroundColor(XLColor.Red)
-                    .Border.SetOutsideBorder(XLBorderStyleValues.Thick)
-                    .Border.SetOutsideBorderColor(XLColor.Blue);
-            workbook.SaveAs(@"C:\temp\saved.xlsx");
-            Console.WriteLine("Done");
-            //Console.ReadKey();
+            var timer = new Stopwatch();
+            var timerAll = new Stopwatch();
+            timerAll.Start();
+            using (XLWorkbook wb = new XLWorkbook(XLEventTracking.Disabled))
+            {
+                using (var ws = wb.AddWorksheet("MergeCellsWorksheet"))
+                {
+                    int totalRows = 5000;
+
+                    // Create some ranges
+                    ws.Cell("AO1").Value = "A";
+                    ws.Cell("AP1").Value = "B";
+                    ws.Cell("AQ1").Value = "C";
+                    ws.Cell("AR1").Value = "D";
+                    ws.Cell("AS1").Value = "E";
+                    ws.Cell("AT1").Value = "1";
+                    ws.Cell("AU1").Value = "2";
+
+                    var listRange = ws.Range("AO1:AU1");
+
+                    timer.Start();
+                    for (int i = 1; i <= totalRows; i++)
+                    {
+                        ws.Cell(i, 1).NewDataValidation.List(listRange);
+                        Console.Clear();
+                    }
+                    timer.Stop();
+                }
+
+                wb.SaveAs(@"C:\temp\test.xlsx");
+            }
+            timerAll.Stop();
+            Console.WriteLine();
+            Console.WriteLine("Add validation Took {0}s", timer.Elapsed.TotalSeconds);
+            Console.WriteLine("Complete Took {0}s", timerAll.Elapsed.TotalSeconds);
+            Console.ReadKey();
         }
 
     }