1 files changed, 4 insertions, 0 deletions
diff --git a/main/src/addins/AspNet/WebForms/WebFormsSyntaxMode.cs b/main/src/addins/AspNet/WebForms/WebFormsSyntaxMode.cs
index fb7261cf2a..6b68b77184 100644
--- a/main/src/addins/AspNet/WebForms/WebFormsSyntaxMode.cs
+++ b/main/src/addins/AspNet/WebForms/WebFormsSyntaxMode.cs
@@ -24,6 +24,10 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using System.Xml;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;