2015-04-29 update 1 Fix the bug in AddressFormater again

2015-04-29 10:29:42 +08:00
parent a33423ab9e
commit 6009d656ba
1 changed files with 2 additions and 1 deletions
--- a/Modbus.Net/ModBus.Net/AddressFormater.cs
+++ b/Modbus.Net/ModBus.Net/AddressFormater.cs
@@ -15,7 +15,8 @@ namespace ModBus.Net
    {
        public override string FormatAddress(string area, int address)
        {
-            if (area.ToUpper().Substring(0,2) == "DB")
+            if (area.Length > 1 && 
+                area.ToUpper().Substring(0,2) == "DB")
            {
                return area.ToUpper() + "." + "DB" + address;
            }