Parameters
- i
- The zero-based column ordinal.
Return Value
A string that is the name of the specified column.
public void GetFields(PgSqlConnection pgConnection) { PgSqlCommand cmd = new PgSqlCommand("SELECT * FROM Test.Dept"); cmd.Connection = pgConnection; pgConnection.Open(); try { PgSqlDataReader 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 { pgConnection.Close(); } }
Public Sub GetFields(ByVal pgConnection As PgSqlConnection Dim cmd As PgSqlCommand = New PgSqlCommand("SELECT * FROM Test.Dept") cmd.Connection = pgConnection pgConnection.Open() Try Dim reader As PgSqlDataReader = 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) Console.WriteLine(fieldName & " " & fieldType) Next i reader.Close() Finally pgConnection.Close() End Try End Sub