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