diff --git a/src/Grid/Columns/DataColumn.php b/src/Grid/Columns/DataColumn.php
index dc705fb..e1c2d13 100644
--- a/src/Grid/Columns/DataColumn.php
+++ b/src/Grid/Columns/DataColumn.php
@@ -11,6 +11,7 @@ class DataColumn extends AbstractColumn
     protected $attribute;
     protected $format = 'raw';
     protected $sort = true;
+    protected $emptyValue = '';
 
     /**
      * @param mixed $attribute
@@ -54,6 +55,16 @@ protected function setFormat(string $format): void
         $this->format = strtolower($format);
     }
 
+    public function getEmptyValue()
+    {
+        return $this->emptyValue;
+    }
+
+    protected function setEmptyValue($value): void
+    {
+        $this->emptyValue = $value;
+    }
+
     protected function checkConfiguration()
     {
         if ((!is_string($this->attribute) || empty($this->attribute)) && $this->value === null) {
@@ -86,9 +97,9 @@ public function getFilterContent()
     public function getCellContent($entity)
     {
         $result = (string)$this->getCellValue($entity);
-        return $this->format === 'html'
-            ? $result
-            : htmlspecialchars($result);
+        return empty($result)
+            ? $this->emptyValue
+            : ($this->format === 'html' ? $result : htmlspecialchars($result));
     }
 
     protected function getCellValue($entity)
diff --git a/src/Grid/Columns/DateColumn.php b/src/Grid/Columns/DateColumn.php
index 0a0acc7..34c4377 100644
--- a/src/Grid/Columns/DateColumn.php
+++ b/src/Grid/Columns/DateColumn.php
@@ -18,7 +18,8 @@ public function getCellContent($entity)
         } elseif (is_string($value) && !empty($this->dateFormat)) {
             return date($this->dateFormat, strtotime($value));
         }
-        return (string)$value;
+        $value = (string)$value;
+        return empty($value) ? $this->emptyValue : $value;
     }
 
     /**
diff --git a/src/Grid/Columns/ImageColumn.php b/src/Grid/Columns/ImageColumn.php
index 18c0fef..fceda20 100644
--- a/src/Grid/Columns/ImageColumn.php
+++ b/src/Grid/Columns/ImageColumn.php
@@ -17,7 +17,7 @@ class ImageColumn extends DataColumn
 
     protected $alt;
 
-    protected $noImageMessage = '-';
+    protected $emptyValue = '-';
 
     public function getCellContent($entity)
     {
@@ -33,7 +33,7 @@ public function getCellContent($entity)
             }
             return htmlspecialchars($value);
         } else {
-            return $this->noImageMessage;
+            return $this->emptyValue;
         }
     }
 
@@ -87,20 +87,4 @@ protected function setAlt(callable $alt): void
     {
         $this->alt = $alt;
     }
-
-    /**
-     * @return string
-     */
-    public function getNoImageMessage(): string
-    {
-        return $this->noImageMessage;
-    }
-
-    /**
-     * @param string $noImageMessage
-     */
-    protected function setNoImageMessage(string $noImageMessage): void
-    {
-        $this->noImageMessage = $noImageMessage;
-    }
 }
diff --git a/src/Grid/Columns/RelationColumn.php b/src/Grid/Columns/RelationColumn.php
index bddf4b6..61e64a7 100644
--- a/src/Grid/Columns/RelationColumn.php
+++ b/src/Grid/Columns/RelationColumn.php
@@ -37,7 +37,7 @@ public function getCellContent($entity)
                 ? $result
                 : htmlspecialchars($result);
         }
-        return is_string($obj) ? $obj : '';
+        return is_string($obj) ? (empty($obj) ? $this->emptyValue : $obj) : $this->emptyValue;
     }
 
     /**