Index: Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColumnStateDefinition.cs
===================================================================
diff -u -rf9935680d7b2a77588d6d5371992db6001231e00 -re70ebc9ab2c8e78aab2ade9ae3b760ebbd997e49
--- Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColumnStateDefinition.cs	(.../DataGridViewColumnStateDefinition.cs)	(revision f9935680d7b2a77588d6d5371992db6001231e00)
+++ Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColumnStateDefinition.cs	(.../DataGridViewColumnStateDefinition.cs)	(revision e70ebc9ab2c8e78aab2ade9ae3b760ebbd997e49)
@@ -27,6 +27,14 @@
     public class DataGridViewColumnStateDefinition
     {
         /// <summary>
+        /// Creates a new instance of <see cref="DataGridViewColumnStateDefinition"/>.
+        /// </summary>
+        public DataGridViewColumnStateDefinition()
+        {
+            Style = CellStyle.Enabled;
+            ErrorText = string.Empty;
+        }
+        /// <summary>
         /// Get or sets the read only state.
         /// </summary>
         public bool ReadOnly { get; set; }
Index: Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColumnStateDefinitionTest.cs
===================================================================
diff -u -rf9935680d7b2a77588d6d5371992db6001231e00 -re70ebc9ab2c8e78aab2ade9ae3b760ebbd997e49
--- Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColumnStateDefinitionTest.cs	(.../DataGridViewColumnStateDefinitionTest.cs)	(revision f9935680d7b2a77588d6d5371992db6001231e00)
+++ Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColumnStateDefinitionTest.cs	(.../DataGridViewColumnStateDefinitionTest.cs)	(revision e70ebc9ab2c8e78aab2ade9ae3b760ebbd997e49)
@@ -30,23 +30,13 @@
         [Test]
         public void Constructor_ExpectedValues()
         {
-            // Setup
-            const bool readOnly = true;
-            const string errorText = "Error";
-            CellStyle style = CellStyle.Disabled;
-
             // Call
-            var columnStateDefinition = new DataGridViewColumnStateDefinition
-            {
-                ReadOnly = readOnly,
-                ErrorText = errorText,
-                Style = style
-            };
+            var columnStateDefinition = new DataGridViewColumnStateDefinition();
 
             // Assert
-            Assert.AreEqual(readOnly, columnStateDefinition.ReadOnly);
-            Assert.AreEqual(errorText, columnStateDefinition.ErrorText);
-            Assert.AreSame(style, columnStateDefinition.Style);
+            Assert.IsFalse(columnStateDefinition.ReadOnly);
+            Assert.AreEqual(string.Empty, columnStateDefinition.ErrorText);
+            Assert.AreEqual(CellStyle.Enabled, columnStateDefinition.Style);
         }
     }
 }
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