GetName Method (PgSqlDataReader)
Gets the name of the specified column.
'Declaration
Public Overrides Function GetName( _
ByVal As Integer _
) As String
Parameters
- i
- The zero-based column ordinal.
Return Value
A string that is the name of the specified column.
This sample shows how to retrieve names and types of all columns in a table.
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
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