Parameters
- i
Return Value
The name of the back-end data type.
public void GetFields(SqlConnection myConnection) { SqlCommand cmd = new SqlCommand("SELECT * FROM Test.Dept"); cmd.Connection = myConnection; myConnection.Open(); try { SqlDataReader reader = cmd.ExecuteReader(); reader.Read(); for (int i=0;i < reader.FieldCount;i++) { string fieldType = reader.GetDataTypeName(i); string fieldName = reader.GetName(i); string fieldType2 = reader.GetFieldType(i).FullName; Console.WriteLine(fieldName+"\t"+ fieldType+"\t"+ fieldType2); } reader.Close(); } finally { myConnection.Close(); } }
Public Sub GetFields(ByVal myConnection As SqlConnection) Dim cmd As SqlCommand = New SqlCommand("SELECT * FROM Test.Dept") cmd.Connection = myConnection myConnection.Open() Try Dim reader As SqlDataReader = cmd.ExecuteReader() reader.Read() Dim i As Integer For i = 0 To reader.FieldCount - 1 Dim fieldType As String = reader.GetDataTypeName(i) Dim fieldName As String = reader.GetName(i) Dim fieldType2 As String = reader.GetFieldType(i).FullName Console.WriteLine(fieldName & Chr(9) & fieldType & Chr(9) & fieldType2) Next i reader.Close() Finally myConnection.Close() End Try End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2