GetName Method (UniDataReader)
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(UniConnection myConnection)
{
UniCommand cmd = new UniCommand("SELECT * FROM Test.Dept");
cmd.Connection = myConnection;
myConnection.Open();
try
{
UniDataReader 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 UniConnection
Dim cmd As UniCommand = New UniCommand("SELECT * FROM Test.Dept")
cmd.Connection = myConnection
myConnection.Open()
Try
Dim reader As UniDataReader = 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
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