toshortstring -> tostring

SubProject/FCOMMON/Util_Form.cs

@@ -103,7 +103,7 @@ namespace FCOMMON
 
             if (DateTime.TryParse(src, out dt))
             {
-                data = dt.ToShortDateString();
+                data = dt.ToString("yyyy-MM-dd");
                 return true;
             }
             else data = src;