Fixed: Disabled grid-edit for Calendar module with override

modules/Calendar/models/Module.php

@@ -57,6 +57,14 @@ class Calendar_Module_Model extends Vtiger_Module_Model {
 		return false;
 	}
 
+	/**
+	 * Function to check whether to allow excel like grid edit.
+	 * Disabled as there are more dependent fields.
+	 */
+	public function isExcelEditAllowed() {
+		return false;
+	}
+
 	/**
 	 * Function returns the URL for creating Events
 	 * @return <String>