get an error as ExecuteNonQuery:Connection property has not been initialized
<pre><code>string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\Samples\\login.mdb";
String uname, pass;
uname = textBox1.Text;

pass = textBox2.Text; 
OleDbConnection myConnection = new OleDbConnection(connectionString);
myConnection.Open();

String query = "insert into LOGIN_TABLE (UserName, Password) VALUES ('" +
    textBox1.Text.ToString() + "','" + textBox2.Text.ToString() + "') ";


OleDbCommand myCommand = new OleDbCommand();
myCommand.CommandText = query;
OleDbParameter myParm = myCommand.Parameters.Add("@uname", OleDbType.VarChar, 50);
myParm.Value = textBox1.Text;

myParm = myCommand.Parameters.Add("@pass", OleDbType.VarChar, 50);
myParm.Value = textBox2.Text;

myCommand.ExecuteNonQuery();
myConnection.Close();
</code></pre>
