benjanderson · March 23, 2015 16:15 · Mar 23, 2015
diff --git a/SqlExceptionCreator b/SqlExceptionCreator
@@ -0,0 +1,39 @@
+public static class SqlExceptionCreator
+{
+	public static SqlException Create(string message, int errorCode)
+	{
+		SqlException exception = Instantiate<SqlException>();
+		SetProperty(exception, "_message", message);
+
+		var errors = new ArrayList();
+
+		var errorCollection = Instantiate<SqlErrorCollection>();
+		SetProperty(errorCollection, "errors", errors);
+
+		var error = Instantiate<SqlError>();
+		SetProperty(error, "number", errorCode);
+		errors.Add(error);
+
+		SetProperty(exception, "_errors", errorCollection);
+
+		return exception;
+	}
+
+	private static T Instantiate<T>() where T : class
+	{
+		return FormatterServices.GetUninitializedObject(typeof(T)) as T;
+	}
+
+	private static void SetProperty<T>(T targetObject, string fieldName, object value)
+	{
+		var field = typeof(T).GetField(fieldName, BindingFlags.NonPublic | BindingFlags.Instance);
+		if (field != null)
+		{
+			field.SetValue(targetObject, value);
+		}
+		else
+		{
+			throw new InvalidOperationException("No field with name " + fieldName);
+		}
+	}
+}