ASP2ASPX can migrate from the VBScript Data Type to C#.
Please see following table that lists the VBScript and C# Data Type:
| VBScript Data Type | C# |
| Empty | 0 or "" |
| Nothing | null |
| Null | System.DBNull.Value |
| Boolean | bool |
| Byte | byte |
| Integer | int |
| Currency | decimal |
| Long | long |
| Single | float |
| Double | double |
| Date (Time) | System.DateTime |
| String | String |
| Object | Object |
| Error | Exception |
| Variant | Object |