diff --git a/src/main/java/org/gcube/portlets/user/tdwx/client/config/TabularDataGridViewConfig.java b/src/main/java/org/gcube/portlets/user/tdwx/client/config/TabularDataGridViewConfig.java
index e237acc..d9858ac 100644
--- a/src/main/java/org/gcube/portlets/user/tdwx/client/config/TabularDataGridViewConfig.java
+++ b/src/main/java/org/gcube/portlets/user/tdwx/client/config/TabularDataGridViewConfig.java
@@ -38,12 +38,13 @@ public class TabularDataGridViewConfig implements GridViewConfig<DataRow> {
 		Map<String, ColumnKey> keys = new HashMap<String, ColumnKey>();
 		
 		for (ColumnDefinition column : definition.getColumnsAsList()) {
-			keys.put(column.getLabel(), column.getKey());
+			keys.put(column.getColumnLocalId(), column.getKey());
 			if (column.getType() == ColumnType.VALIDATION){
 				validationColumns.add(column);
 			} 
 		}
 		row = new Row(keys);
+		
 	}
 
 	/**
diff --git a/src/main/java/org/gcube/portlets/user/tdwx/client/model/util/ColumnConfigGenerator.java b/src/main/java/org/gcube/portlets/user/tdwx/client/model/util/ColumnConfigGenerator.java
index 7f46733..f41e088 100644
--- a/src/main/java/org/gcube/portlets/user/tdwx/client/model/util/ColumnConfigGenerator.java
+++ b/src/main/java/org/gcube/portlets/user/tdwx/client/model/util/ColumnConfigGenerator.java
@@ -51,7 +51,7 @@ public class ColumnConfigGenerator {
 						//int rowIndex = context.getIndex();
 						//store.get(rowIndex);
 					
-						String style = "style='color: " + (value ? "green" : "red")
+						String style = "style='color: " + (value ? "green" : "black")
 								+ "'";
 						String v = String.valueOf(value);
 						sb.appendHtmlConstant("<span " + style
diff --git a/src/main/java/org/gcube/portlets/user/tdwx/client/style/DefaultRowStyle.java b/src/main/java/org/gcube/portlets/user/tdwx/client/style/DefaultRowStyle.java
index 4e4cb29..a813ff2 100644
--- a/src/main/java/org/gcube/portlets/user/tdwx/client/style/DefaultRowStyle.java
+++ b/src/main/java/org/gcube/portlets/user/tdwx/client/style/DefaultRowStyle.java
@@ -18,8 +18,13 @@ import com.sencha.gxt.core.client.ValueProvider;
  */
 public class DefaultRowStyle implements RowStyleProvider {
 
-	ResourceBundle res=ResourceBundle.INSTANCE;
+	ResourceBundle res;
 	
+	public DefaultRowStyle() {
+		res=ResourceBundle.INSTANCE;
+		res.tdGridCSS().ensureInjected();
+		
+	}
 	
 	
 	@Override
@@ -27,10 +32,10 @@ public class DefaultRowStyle implements RowStyleProvider {
 			ArrayList<ColumnDefinition> validationColumns) {
 		String style = "";
 		
-		
 		for (ColumnDefinition c : validationColumns) {
-			Boolean valid = row.getField(c.getColumnLocalId());
-			if (valid != null && valid == false) {
+			String valid = row.getFieldAsText(c.getColumnLocalId());
+			Boolean b=new Boolean(valid);	
+			if (!b) {
 				style = res.tdGridCSS().getGridRowRed();
 				break;
 			}
@@ -47,8 +52,9 @@ public class DefaultRowStyle implements RowStyleProvider {
 			int colIndex) {
 		String style = "";
 		for (ColumnDefinition c : validationColumns) {
-			Boolean valid = row.getField(c.getColumnLocalId());
-			if (valid != null && valid == false) {
+			String valid = row.getFieldAsText(c.getColumnLocalId());
+			Boolean b=new Boolean(valid);	
+			if (!b) {
 				style = res.tdGridCSS().getGridRowRed();
 				break;
 			}
diff --git a/src/main/resources/org/gcube/portlets/user/tdwx/client/resources/TDGrid.css b/src/main/resources/org/gcube/portlets/user/tdwx/client/resources/TDGrid.css
index 4311a4e..febd9d4 100644
--- a/src/main/resources/org/gcube/portlets/user/tdwx/client/resources/TDGrid.css
+++ b/src/main/resources/org/gcube/portlets/user/tdwx/client/resources/TDGrid.css
@@ -1,6 +1,6 @@
 @CHARSET "UTF-8";
 
 .grid-row-red {
-	background-color: #FFAFAF !important;
+	background-color: #FF3333 !important;
 }