Returns the name of the data type for the column specified by the ordinal argument.
public virtual string GetDataTypeName(
The zero-based ordinal of the column.
The ordinal is less than 0 or greater than the number of columns (that is, FieldCount).
There is a type mismatch.
This method returns the type name as known in the SQL Server type-system. For user-defined types (UDTs), it returns the three-part name that was used to register the type with SQL Server.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.