(C#) ASP.NET - ExecuteNonQuery()

Command.ExecuteNonQuery();

System.Data.OleDb.OleDbConnection objConn;
System.Data.OleDb.OleDbCommand objCmd;
String strConnString,strSQL;

strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +
Server.MapPath("database/mydatabase.mdb")+";Jet OLEDB:Database Password=;";
objConn = new System.Data.OleDb.OleDbConnection(strConnString);
objConn.Open();

strSQL = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) "  + 
"VALUES ('C005','Weerachai Nukitram','[email protected]','TH','2000000','1000000')";

objCmd = new System.Data.OleDb.OleDbCommand();

try
{
    objCmd.ExecuteNonQuery();
}
catch( Exception ex)
{
    lblText.Text = lblText.Text + "<br> - Record not insert was (" + ex.Message + ")";
}

objCmd = null;
objConn.Close();
objConn = null;