Solves Casting String to GUID

jdscolam · jdscolam · commit 42f651e1e4da · 2013-11-22T15:30:32.000-06:00
When retrieving a string from the database and trying to map it to a
GUID the safe convert would throw an exception and return null.  This
allows for converting strings to GUIDS if possible.
diff --git a/Simple.Data/PropertySetterBuilder.cs b/Simple.Data/PropertySetterBuilder.cs
@@ -1,3 +1,5 @@
+using System.ComponentModel;
+
 namespace Simple.Data
 {
     using System;
@@ -357,6 +359,8 @@ internal static object SafeConvert(object source, Type targetType)
         {
             if (ReferenceEquals(source, null)) return null;
             if (targetType.IsInstanceOfType(source)) return source;
+
+            if (source is string && targetType == typeof(Guid)) return TypeDescriptor.GetConverter(typeof(Guid)).ConvertFromInvariantString(source.ToString());
             return Convert.ChangeType(source, targetType);
         }
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+using System.ComponentModel;`
	`2`	`+`
`1`	`3`	`namespace Simple.Data`
`2`	`4`	`{`
`3`	`5`	`using System;`
`@@ -357,6 +359,8 @@ internal static object SafeConvert(object source, Type targetType)`
`357`	`359`	`{`
`358`	`360`	`if (ReferenceEquals(source, null)) return null;`
`359`	`361`	`if (targetType.IsInstanceOfType(source)) return source;`
	`362`	`+`
	`363`	`+ if (source is string && targetType == typeof(Guid)) return TypeDescriptor.GetConverter(typeof(Guid)).ConvertFromInvariantString(source.ToString());`
`360`	`364`	`return Convert.ChangeType(source, targetType);`
`361`	`365`	`}`
`362`	`366`