fixed

Sieve/Services/SieveProcessor.cs

@@ -431,10 +431,10 @@ namespace Sieve.Services
                             Expression filterValue = GetClosureOverConstant(constantVal, property.PropertyType);
 
 
-                            if (true)//filterTerm.OperatorIsCaseInsensitive Make search insensitive case //comment by thien
-                            {
-                                if (property.PropertyType.Name.Equals("String"))
+                            if (property.PropertyType.Name.ToLower().Equals("string"))//filterTerm.OperatorIsCaseInsensitive Make search insensitive case //comment by thien
                             {
+                                //if (property.PropertyType.Name.ToLower().Equals("string"))
+                                //{
                                 var upperData = Expression.Call(propertyValue,typeof(string).GetMethods()
                                     .First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
                                 propertyValue = Expression.Call(
@@ -442,12 +442,12 @@ namespace Sieve.Services
                                     typeof(RemoveVietNamSign).GetMethod("RemoveSignVietnameseString", new Type[] { typeof(string) }),
                                     upperData
                                 );
-                                }else
+                                /*}else
                                 {
                                     propertyValue = Expression.Call(propertyValue,
                                     typeof(string).GetMethods()
                                     .First(m => m.Name == "ToUpper" && m.GetParameters().Length == 0));
-                                }    
+                                }    */
                                 
 
                                 /**/