From: Miguel de Icaza <miguel@gnome.org>
Date: Sat, 15 Mar 2008 19:38:17 +0000 (-0000)
Subject: Improve error message, based ona patch from Brad Langhorst
X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=commitdiff_plain;h=f2dbed88116fc0b77c60ca2cd9e439d3cae65f17;p=mono.git

Improve error message, based ona patch from Brad Langhorst

svn path=/trunk/mcs/; revision=98395
---

diff --git a/mcs/class/Mono.Data/ProviderFactory.cs b/mcs/class/Mono.Data/ProviderFactory.cs
index f86fce1bf84..7f0d9899675 100644
--- a/mcs/class/Mono.Data/ProviderFactory.cs
+++ b/mcs/class/Mono.Data/ProviderFactory.cs
@@ -99,6 +99,10 @@ namespace Mono.Data
 				throw new System.ArgumentNullException ("ConnectionString");
 
 			Provider provider = providers [ProviderName];
+
+			if (provider == null)
+				throw new ArgumentException ("ProviderName", "The specified provider does not exist");
+			
 			IDbConnection conn = provider.CreateConnection ();
 			conn.ConnectionString = ConnectionString;
 			return conn;