diff --git a/VAR.Focus.Web/Controls/CTextBox.cs b/VAR.Focus.Web/Controls/CTextBox.cs
index ddce0d4..8f27e7d 100644
--- a/VAR.Focus.Web/Controls/CTextBox.cs
+++ b/VAR.Focus.Web/Controls/CTextBox.cs
@@ -166,6 +166,45 @@ namespace VAR.Focus.Web.Controls
             return _allowEmpty || (string.IsNullOrEmpty(_txtContent.Text) == false);
         }
 
+        public int? GetClientsideHeight()
+        {
+            if (string.IsNullOrEmpty(_hidSize.Value))
+            {
+                return null;
+            }
+            JsonParser jsonParser = new JsonParser();
+            Dictionary<string, object> sizeObj = jsonParser.Parse(_hidSize.Value) as Dictionary<string, object>;
+            if (sizeObj == null) { return null; }
+
+            if (sizeObj.ContainsKey("height") == false) { return null; }
+            return (int)sizeObj["height"];
+        }
+
+        public void SetClientsideHeight(int? height)
+        {
+            if(height == null)
+            {
+                _hidSize.Value = string.Empty;
+                return;
+            }
+            Dictionary<string, object> sizeObj = null;
+            if (string.IsNullOrEmpty(_hidSize.Value) == false)
+            {
+                JsonParser jsonParser = new JsonParser();
+                sizeObj = jsonParser.Parse(_hidSize.Value) as Dictionary<string, object>;
+            }
+            else
+            {
+                sizeObj = new Dictionary<string, object> {
+                    { "height", height },
+                    { "width", null },
+                    { "scrollTop", null },
+                };
+            }
+            JsonWriter jsonWriter = new JsonWriter();
+            _hidSize.Value = jsonWriter.Write(sizeObj);
+        }
+        
         #endregion Public methods
     }
 }
\ No newline at end of file
diff --git a/VAR.Focus.Web/Scripts/03. Controls.js b/VAR.Focus.Web/Scripts/03. Controls.js
index db3c0a5..4c0ec17 100644
--- a/VAR.Focus.Web/Scripts/03. Controls.js	
+++ b/VAR.Focus.Web/Scripts/03. Controls.js	
@@ -5,13 +5,13 @@
 var CTextBox_SetText = function (id, text) {
     var element = document.getElementById(id);
     element.value = text;
-}
+};
 
 ////////////////////////
 //  CTextBox_Multiline_KeyDown
 //
 var CTextBox_Multiline_KeyDown = function (e) {
-    if (e.keyCode == 9 || e.which == 9) {
+    if (e.keyCode === 9 || e.which === 9) {
         e.preventDefault();
         var s = this.selectionStart;
         this.value = this.value.substring(0, this.selectionStart) + "\t" + this.value.substring(this.selectionEnd);
@@ -25,7 +25,7 @@ var CTextBox_Multiline_KeyDown = function (e) {
 var CTextBox_Multiline_SaveSizeData = function (textArea) {
     var hidSizeData = document.getElementById(textArea.cfg.hidSize);
     hidSizeData.value = JSON.stringify(textArea.cfg.size);
-}
+};
 
 ////////////////////////
 //  CTextBox_Multiline_RestoreSizeData
@@ -34,13 +34,19 @@ var CTextBox_Multiline_RestoreSizeData = function (textArea) {
     var hidSizeData = document.getElementById(textArea.cfg.hidSize);
 
     if (hidSizeData.value !== "") {
-        textArea.cfg.size = JSON.parse(hidSizeData.value);;
-        textArea.style.width = textArea.cfg.size.width + "px";
-        textArea.style.height = textArea.cfg.size.height + "px";
-        textArea.scrollTop = textArea.cfg.size.scrollTop;
+        textArea.cfg.size = JSON.parse(hidSizeData.value);
+        if (textArea.cfg.size.width !== null) {
+            textArea.style.width = textArea.cfg.size.width + "px";
+        }
+        if (textArea.cfg.size.height !== null) {
+            textArea.style.height = textArea.cfg.size.height + "px";
+        }
+        if (textArea.cfg.size.scrollTop !== null) {
+            textArea.scrollTop = textArea.cfg.size.scrollTop;
+        }
     }
-    textArea.cfg.size = { height: textArea.offsetHeight, scrollTop: textArea.scrollTop };
-}
+    textArea.cfg.size = { height: textArea.offsetHeight, width: textArea.offsetWidth, scrollTop: textArea.scrollTop };
+};
 
 ////////////////////////
 //  CTextBox_Multiline_MouseUp
@@ -48,20 +54,20 @@ var CTextBox_Multiline_RestoreSizeData = function (textArea) {
 var CTextBox_Multiline_MouseUp = function (e) {
     var textArea = e.target;
     var newSize = { height: textArea.offsetHeight, width: textArea.offsetWidth, scrollTop: textArea.scrollTop };
-    if (textArea.cfg.size.height != newSize.height) {
+    if (textArea.cfg.size.height !== newSize.height) {
         textArea.cfg.size = newSize;
         CTextBox_Multiline_SaveSizeData(textArea);
     }
-}
+};
 
 ////////////////////////
 //  CTextBox_Multiline_Scrolled
 //
 var CTextBox_Multiline_Scrolled = function (e) {
     var textArea = e.target;
-    textArea.cfg.size = { height: textArea.offsetHeight, scrollTop: textArea.scrollTop };
+    textArea.cfg.size = { height: textArea.offsetHeight, width: textArea.offsetWidth, scrollTop: textArea.scrollTop };
     CTextBox_Multiline_SaveSizeData(textArea);
-}
+};
 
 ////////////////////////
 //  CTextBox_Multiline_Init
@@ -76,4 +82,4 @@ var CTextBox_Multiline_Init = function (cfg) {
         textArea.onmouseup = CTextBox_Multiline_MouseUp;
         textArea.onscroll = CTextBox_Multiline_Scrolled;
     }
-}
+};