diff --git a/dist/bundle.ie.js b/dist/bundle.ie.js
index b375d1acb..12617312e 100644
--- a/dist/bundle.ie.js
+++ b/dist/bundle.ie.js
@@ -53813,13 +53813,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -53838,6 +53844,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/dist/bundle.js b/dist/bundle.js
index 83962a960..56974400f 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -54352,13 +54352,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54377,6 +54383,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/dist/case.js b/dist/case.js
index 0ff496e20..1f89d5bd4 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -5490,13 +5490,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -5515,6 +5521,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/dist/fineui.ie.js b/dist/fineui.ie.js
index c264cfbe6..77fb82a6b 100644
--- a/dist/fineui.ie.js
+++ b/dist/fineui.ie.js
@@ -54055,13 +54055,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54080,6 +54086,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/dist/fineui.js b/dist/fineui.js
index 3fb06bb08..6752a56a4 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -54594,13 +54594,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54619,6 +54625,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/dist/fineui_without_jquery_polyfill.js b/dist/fineui_without_jquery_polyfill.js
index 460bbfd85..733dc043d 100644
--- a/dist/fineui_without_jquery_polyfill.js
+++ b/dist/fineui_without_jquery_polyfill.js
@@ -37675,13 +37675,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -37700,6 +37706,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },