Edited Dapper.Contrib/SqlMapperExtensions.cs via GitHub

Dapper.Contrib/SqlMapperExtensions.cs

@@ -156,24 +156,22 @@ private static string GetTableName(Type type)
 
             var allProperties = TypePropertiesCache(type);
             var keyProperties = KeyPropertiesCache(type);
+            var allPropertiesExceptKey = allProperties.Except(keyProperties);
 
-            for (var i = 0; i < allProperties.Count(); i++)
+            for (var i = 0; i < allPropertiesExceptKey.Count(); i++)
             {
-                var property = allProperties.ElementAt(i);
-                if (keyProperties.Contains(property)) continue;
-
+                var property = allPropertiesExceptKey.ElementAt(i);
                 sb.Append(property.Name);
-                if (i < allProperties.Count() - 1)
+                if (i < allPropertiesExceptKey.Count() - 1)
                     sb.Append(", ");
             }
             sb.Append(") values (");
-            for (var i = 0; i < allProperties.Count(); i++)
-            {
-                var property = allProperties.ElementAt(i);
-                if (keyProperties.Contains(property)) continue;
 
+            for (var i = 0; i < allPropertiesExceptKey.Count(); i++)
+            {
+                var property = allPropertiesExceptKey.ElementAt(i);
                 sb.AppendFormat("@{0}", property.Name);
-                if (i < allProperties.Count() - 1)
+                if (i < allPropertiesExceptKey.Count() - 1)
                     sb.Append(", ");
             }
             sb.Append(") ");