- Added localized string for the new connection timed out exception.

Author: paulmedynski

src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ManagedSni/SniTcpHandle.netcore.cs

@@ -428,7 +428,9 @@ private static Socket Connect(string serverName, int port, TimeoutTimer timeout,
                             {
                                 if (timeout.IsExpired)
                                 {
-                                    throw new Win32Exception(258, "The operation has timed out.");
+                                    throw new Win32Exception(
+                                        TdsEnums.SNI_WAIT_TIMEOUT,
+                                        StringsHelper.GetString(Strings.SQL_ConnectTimeout));
                                 }
 
                                 int socketSelectTimeout =
@@ -698,7 +700,9 @@ private static Socket ParallelConnect(IPAddress[] serverAddresses, int port, Tim
                 {
                     if (timeout.IsExpired)
                     {
-                        throw new Win32Exception(258, "The operation has timed out.");
+                        throw new Win32Exception(
+                            TdsEnums.SNI_WAIT_TIMEOUT,
+                            StringsHelper.GetString(Strings.SQL_ConnectTimeout));
                     }
 
                     SqlClientEventSource.Log.TryAdvancedTraceEvent(

src/Microsoft.Data.SqlClient/src/Resources/Strings.Designer.cs

@@ -2520,6 +2520,9 @@
   <data name="SQL_AsyncConnectionRequired" xml:space="preserve">
     <value>This command requires an asynchronous connection. Set "Asynchronous Processing=true" in the connection string.</value>
   </data>
+  <data name="SQL_ConnectTimeout" xml:space="preserve">
+    <value>The connection attempt timed out.</value>
+  </data>
   <data name="SQL_FatalTimeout" xml:space="preserve">
     <value>Timeout expired.  The connection has been broken as a result.</value>
   </data>
@@ -4677,4 +4680,4 @@
   <data name="ADP_InvalidJsonStringForVector" xml:space="preserve">
     <value>{0} Invalid JSON string for vector.</value>
   </data>
-</root>
+</root>