diff --git a/src/main/java/org/seed/core/data/dbobject/DBObjectValidator.java b/src/main/java/org/seed/core/data/dbobject/DBObjectValidator.java
index 2559eddfe..356b093c0 100644
--- a/src/main/java/org/seed/core/data/dbobject/DBObjectValidator.java
+++ b/src/main/java/org/seed/core/data/dbobject/DBObjectValidator.java
@@ -97,18 +97,22 @@ else if (!isEmpty(dbObject.getName()) &&
 				errors.addNotContains(dbObject.getObjectName());
 			}
 		}
-		
 		if (errors.isEmpty()) {
-			if (dbObject.isEnabled()) {
-				validateObjectType(dbObject, errors);
-			}
-			validateSaveUsage(dbObject, errors);
+			validateSaveExt(dbObject, errors);
+		}
+		validate(errors);
+	}
+	
+	private void validateSaveExt(DBObject dbObject, ValidationErrors errors) 
+		throws ValidationException {
+		if (dbObject.isEnabled()) {
+			validateObjectType(dbObject, errors);
 		}
 		if (errors.isEmpty() && dbObject.isEnabled() && 
 			(dbObject.isNew() || dbObject.getType().isEditable())) {
 			testSQL(dbObject);
 		}
-		validate(errors);
+		validateSaveUsage(dbObject, errors);
 	}
 	
 	private void validateSaveUsage(DBObject dbObject, ValidationErrors errors) {
diff --git a/src/test/java/org/seed/test/integration/data/CreateDBObjectTest.java b/src/test/java/org/seed/test/integration/data/CreateDBObjectTest.java
index e58a6b440..ca8355f31 100644
--- a/src/test/java/org/seed/test/integration/data/CreateDBObjectTest.java
+++ b/src/test/java/org/seed/test/integration/data/CreateDBObjectTest.java
@@ -170,4 +170,26 @@ void testCreateSequence() {
 		saveDBObject(tabpanel);
 	}
 	
+	@Test
+	@Order(7)
+	void testCreateViewInView() {
+		WebElement tabpanel = newDBObject();
+		assertEquals("Datenbankelemente", findTab("datenbankelemente").getText());
+		WebElement window = newDBObjectWindow();
+		
+		findCombobox(window, "type").sendKeys("View");
+		findCombobox(window, "module").sendKeys("Testmodule");
+		clickButton(window, "create");
+		
+		findTextbox(tabpanel, "name").sendKeys("TestviewInView");
+		findIntbox(tabpanel, "order").sendKeys("1");
+		findCodeMirror(tabpanel, "content", 1).sendKeys("* from testview");
+		
+		clickButton(tabpanel, "save");
+		findValidationMessage(); // order too low
+		
+		findIntbox(tabpanel, "order").sendKeys("0"); // "1" + "0" = 10
+		saveDBObject(tabpanel);
+	}
+	
 }
diff --git a/src/test/java/org/seed/test/integration/data/DeleteDBObjectTest.java b/src/test/java/org/seed/test/integration/data/DeleteDBObjectTest.java
index 6f8650a71..51dc6a88f 100644
--- a/src/test/java/org/seed/test/integration/data/DeleteDBObjectTest.java
+++ b/src/test/java/org/seed/test/integration/data/DeleteDBObjectTest.java
@@ -30,7 +30,7 @@ public class DeleteDBObjectTest extends AbstractDBObjectTest {
 	
 	@Test
 	@Order(1)
-	void testDeleteView() {
+	void testFailDeleteView() {
 		WebElement tabpanel = showDBObject("testviewnew");
 		assertEquals("Datenbankelemente: TestviewNew", findTab("datenbankelemente").getText());
 		clickButton(tabpanel, "delete");
@@ -38,10 +38,35 @@ void testDeleteView() {
 		WebElement dialogConfirm = findConfirmDialog();
 		confirm(dialogConfirm);
 		waitConfirmDialogDisappear();
+		findValidationMessage(); // still in use
 	}
 	
 	@Test
 	@Order(2)
+	void testDeleteViewInView() {
+		WebElement tabpanel = showDBObject("testviewinview");
+		assertEquals("Datenbankelemente: TestviewInView", findTab("datenbankelemente").getText());
+		clickButton(tabpanel, "delete");
+		
+		WebElement dialogConfirm = findConfirmDialog();
+		confirm(dialogConfirm);
+		waitConfirmDialogDisappear();
+	}
+	
+	@Test
+	@Order(3)
+	void testDeleteView() {
+		WebElement tabpanel = showDBObject("testviewnew");
+		assertEquals("Datenbankelemente: TestviewNew", findTab("datenbankelemente").getText());
+		clickButton(tabpanel, "delete");
+		
+		WebElement dialogConfirm = findConfirmDialog();
+		confirm(dialogConfirm);
+		waitConfirmDialogDisappear();
+	}
+	
+	@Test
+	@Order(4)
 	void testDeleteSequence() {
 		WebElement tabpanel = showDBObject("testsequence");
 		assertEquals("Datenbankelemente: Testsequence", findTab("datenbankelemente").getText());
@@ -53,7 +78,7 @@ void testDeleteSequence() {
 	}
 	
 	@Test
-	@Order(3)
+	@Order(5)
 	void testDeleteProcedure() {
 		WebElement tabpanel = showDBObject("testprocedurenew");
 		assertEquals("Datenbankelemente: TestprocedureNew", findTab("datenbankelemente").getText());
@@ -65,7 +90,7 @@ void testDeleteProcedure() {
 	}
 	
 	@Test
-	@Order(4)
+	@Order(6)
 	void testDeleteFunction() {
 		WebElement tabpanel = showDBObject("testfunctionnew");
 		assertEquals("Datenbankelemente: TestfunctionNew", findTab("datenbankelemente").getText());
@@ -77,7 +102,7 @@ void testDeleteFunction() {
 	}
 	
 	@Test
-	@Order(5)
+	@Order(7)
 	void testDeleteTrigger() {
 		WebElement tabpanel = showDBObject("testtrigger");
 		assertEquals("Datenbankelemente: Testtrigger", findTab("datenbankelemente").getText());
@@ -89,7 +114,7 @@ void testDeleteTrigger() {
 	}
 	
 	@Test
-	@Order(6)
+	@Order(8)
 	void testDeleteTriggerFunction() {
 		WebElement tabpanel = showDBObject("triggerfunction");
 		assertEquals("Datenbankelemente: Triggerfunction", findTab("datenbankelemente").getText());
diff --git a/src/test/java/org/seed/test/integration/data/EditDBObjectTest.java b/src/test/java/org/seed/test/integration/data/EditDBObjectTest.java
index 79595103e..65cde85d8 100644
--- a/src/test/java/org/seed/test/integration/data/EditDBObjectTest.java
+++ b/src/test/java/org/seed/test/integration/data/EditDBObjectTest.java
@@ -59,22 +59,74 @@ void testEditFunction() {
 	
 	@Test
 	@Order(3)
-	void testEditView() {
+	void testFailEditView() {
 		WebElement tabpanel = showDBObject("testview");
 		assertEquals("Datenbankelemente: Testview", findTab("datenbankelemente").getText());
 		clearTextbox(tabpanel, "name");
 		findTextbox(tabpanel, "name").sendKeys("TestviewNew");
+		
+		WebElement codeMirror = findCodeMirror(tabpanel, "content", 1);
+		codeMirror.sendKeys(repeatKey(Keys.BACK_SPACE, 23));
+		codeMirror.sendKeys("name from transferabletestnew");
+		
+		clickButton(tabpanel, "save");
+		findValidationMessage(); // view is in use
+	}
+	
+	@Test
+	@Order(4)
+	void testDisableViewDependent() {
+		WebElement tabpanel = showDBObject("testviewinview");
+		assertEquals("Datenbankelemente: TestviewInView", findTab("datenbankelemente").getText());
 		clearIntbox(tabpanel, "order");
-		findIntbox(tabpanel, "order").sendKeys("4");
+		findIntbox(tabpanel, "order").sendKeys("-1");
+		
+		clickButton(tabpanel, "save");
+		findValidationMessage(); // illegal order
+		
+		clearIntbox(tabpanel, "order");
+		findIntbox(tabpanel, "order").sendKeys("0");
+		saveDBObject(tabpanel);
+	}
+	
+	@Test
+	@Order(5)
+	void testEditView() {
+		WebElement tabpanel = showDBObject("testview");
+		assertEquals("Datenbankelemente: Testview", findTab("datenbankelemente").getText());
+		clearTextbox(tabpanel, "name");
+		findTextbox(tabpanel, "name").sendKeys("TestviewNew");
 		
 		WebElement codeMirror = findCodeMirror(tabpanel, "content", 1);
 		codeMirror.sendKeys(repeatKey(Keys.BACK_SPACE, 23));
 		codeMirror.sendKeys("name,testfunctionnew() from transferabletestnew");
+		clickButton(tabpanel, "save");
+		findValidationMessage(); // order too low
+		
+		clearIntbox(tabpanel, "order");
+		findIntbox(tabpanel, "order").sendKeys("4");
 		saveDBObject(tabpanel);
 	}
 	
 	@Test
-	@Order(4)
+	@Order(6)
+	void testEnableViewDependent() {
+		WebElement tabpanel = showDBObject("testviewinview");
+		assertEquals("Datenbankelemente: TestviewInView", findTab("datenbankelemente").getText());
+		
+		WebElement codeMirror = findCodeMirror(tabpanel, "content", 1);
+		codeMirror.sendKeys("new");
+		clearIntbox(tabpanel, "order");
+		findIntbox(tabpanel, "order").sendKeys("1");
+		clickButton(tabpanel, "save");
+		findValidationMessage(); // order too low
+		
+		findIntbox(tabpanel, "order").sendKeys("0"); // "1" + "0" = 10
+		saveDBObject(tabpanel);
+	}
+	
+	@Test
+	@Order(7)
 	void testFailRenameViewFunction() {
 		WebElement tabpanel = showDBObject("testfunctionnew");
 		assertEquals("Datenbankelemente: TestfunctionNew", findTab("datenbankelemente").getText());
@@ -89,7 +141,7 @@ void testFailRenameViewFunction() {
 	}
 	
 	@Test
-	@Order(5)
+	@Order(8)
 	void testFailRenameTriggerFunction() {
 		WebElement tabpanel = showDBObject("triggerfunction");
 		assertEquals("Datenbankelemente: Triggerfunction", findTab("datenbankelemente").getText());