diff --git a/Controllers/ChiamateController.cs b/Controllers/ChiamateController.cs
index 306c8ba..a273ccf 100644
--- a/Controllers/ChiamateController.cs
+++ b/Controllers/ChiamateController.cs
@@ -89,7 +89,7 @@ namespace VirtualTask.Controllers
 
                 if (!string.IsNullOrEmpty(tecnico))
                 {
-                    modelList = modelList.Where(s => s.chtchiam.Contains(tecnico)).ToList();
+                    modelList = modelList.Where(s => s.chtchiam !=null && s.chtchiam.Contains(tecnico)).ToList();
 
                     ViewData["CurrentFilter"] = tecnico;
 
diff --git a/Controllers/CommesseVTController.cs b/Controllers/CommesseVTController.cs
index 330cd9b..0033a34 100644
--- a/Controllers/CommesseVTController.cs
+++ b/Controllers/CommesseVTController.cs
@@ -68,7 +68,7 @@ namespace VirtualTask.Controllers
 
                 if (!string.IsNullOrEmpty(searchString))
                 {
-                    modelList = modelList.Where(s => s.andescri.ToUpper().Contains(searchString.ToUpper())).ToList();
+                    modelList = modelList.Where(s => s.andescri!=null &&  s.andescri.ToUpper().Contains(searchString.ToUpper())).ToList();
 
                     ViewData["CurrentFilter"] = searchString;
                 }
diff --git a/Views/Chiamate/Index.cshtml b/Views/Chiamate/Index.cshtml
index 9f00231..1ca2dce 100644
--- a/Views/Chiamate/Index.cshtml
+++ b/Views/Chiamate/Index.cshtml
@@ -18,32 +18,38 @@
 
             @using (Html.BeginForm("Index","Chiamate"))
             {
-                <div>
-                    <div style="float:left;width:40%;padding:0 20px;">
-
-                        <th><b>Tecnico:</b></th>
+                <div style="width:100%">
+                    <div style="float:left;width:33%;padding:0 20px;">
+                        <b>Tecnico:</b>
                         @Html.DropDownList("tecnico", ViewBag.Tecnici, null, new { @class = "agy-form-field require" })
-
-                        <th><b>Impianto:</b></th>
+                    </div>
+                    <div style="float:left;width:33%;padding:0 20px;">
+                        <b>Impianto:</b>
                         @Html.DropDownList("impianto", ViewBag.Impianti, null, new { @class = "agy-form-field require" })
-
-                        <th><b>Data da:</b></th>
-                        @Html.TextBox("dataIni", null, new { type = "date", @class = "agy-form-field require" })
-
-                        <th><b>Data a:</b></th>
-                        @Html.TextBox("dataFin", null, new { type = "date", @class = "agy-form-field require" })
-
-                        <th><b>Stato chiamata:</b></th>
-                        @Html.DropDownList("stato", ViewBag.StatiChiamata, null, new { @class = "agy-form-field require" })
-
-                        <th><b>Indirizzo:</b></th>
-                        <div>
-                            @Html.TextBox("indirizzo", null, new { placeholder = "Cerca per indirizzo", @class = "agy-form-field require" })
-                        </div>
-                        
-                        <div style="float:left;width:57%;"><input type="submit" value="Cerca" class="agy-btn submitForm" /></div>
                     </div>
 
+                    <div style="float:left;width:33%;padding:0 20px;">
+                        <b>Indirizzo:</b>
+                        <div>
+                            @Html.TextBox("indirizzo", null, new { placeholder = "Cerca per indirizzo impianto", @class = "agy-form-field require" })
+                        </div>
+                    </div>
+                    <div style="float:left;width:25%;padding:0 20px;">
+                        <b>Data da:</b>
+                        @Html.TextBox("dataIni", null, new { type = "date", @class = "agy-form-field require" })
+                    </div>
+                    <div style="float:left;width:25%;padding:0 20px;">
+                        <b>Data a:</b>
+                        @Html.TextBox("dataFin", null, new { type = "date", @class = "agy-form-field require" })
+                    </div>
+                    <div style="float:left;width:25%;padding:0 20px;">
+                        <b>Stato chiamata:</b>
+                        @Html.DropDownList("stato", ViewBag.StatiChiamata, null, new { @class = "agy-form-field require" })                    
+                    </div>
+
+                    <div style="float:left;width:24%;padding:18px 0px;">
+                        <div style="float:left;width:57%;"><input type="submit" value="Cerca" class="agy-btn submitForm" /></div>
+                    </div>
                     <div style="float:left;width:2%;">&nbsp;</div>
                     <div style="float:left;width:2%;">&nbsp;</div>
                     <div style="float:left;width:2%;">&nbsp;</div>