Add a lot of functions to Base

Base/DatabaseEx.vb

@@ -0,0 +1,16 @@
+Public Class DatabaseEx
+    ''' <summary>
+    ''' Checks a Row value for three different `null` values,
+    ''' Nothing, Empty String, DBNull
+    ''' 
+    ''' Returns the original value if the value is not null, or `defaultValue`
+    ''' </summary>
+    ''' <typeparam name="T">The type of the value</typeparam>
+    ''' <param name="Row">The DataRow that contains the value</param>
+    ''' <param name="Column">The column name</param>
+    ''' <param name="DefaultValue">The default value</param>
+    ''' <returns>The original value or the default value</returns>
+    Public Shared Function NotNull(Of T)(ByVal Row As DataRow, Column As String, DefaultValue As T) As T
+        Return ObjectEx.NotNull(Row.Item(Column), DefaultValue)
+    End Function
+End Class