.Net to Oracle Connectivity using ODBC .NET

using Microsoft.Data.Odbc;

private void Form1_Load(object sender, System.EventArgs e)
{
try
{
OdbcConnection myconnection= new OdbcConnection ("DSN=TrialDSN");
OdbcDataAdapter myda = new OdbcDataAdapter ("Select * from EMP", myconnection);
DataSet ds= new DataSet ();
myda.Fill(ds, "Table");
dataGrid1.DataSource = ds ;
}
catch(Exception ex)
{
MessageBox.Show (ex.Message );
}
}

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