ok here is a the problem i and my partner have an argument over some coding which will be more faster the purpose is to bind dropdownlist
I have written a code which take the control as parameter and my partner wans to bind every control individually.here is two codes

What I written:
public bool FillDropDownList(DropDownList dDl,string TableName,string DataTextField,string DataValueField)
        {
            string Select="SELECT "+DataTextField+", "+DataValueField+" FROM "+TableName+"";
            OleDbConnection conn=new OleDbConnection();
            string connString = ConfigurationSettings.AppSettings["connectionstring"];
            conn.ConnectionString=connString;
            OleDbCommand m_Command = new OleDbCommand(Select,conn);
            try
            {
                dDl.DataValueField = DataValueField;
                dDl.DataTextField = DataTextField;
                conn.Open();
                OleDbDataReader m_DataReader = m_Command.ExecuteReader();
                dDl.DataSource = m_DataReader;
                dDl.DataBind();
                m_DataReader.Close();
            }
            catch
            {
                return false;

            }
            finally
            {
                m_Command.Dispose();
                conn.Close();
                conn.Dispose();
            }
            return true;
        }
and what my partner wrttien:
private void BindLoanAppliedCombo()
        {
            string strSQL = string.Empty;
            strSQL = " SELECT * FROM LOAN_TYPE";
            SystemUtility.SystemUtility util = new SystemUtility.SystemUtility();

            Listloanappliedfor.DataSource = util.RetrieveRS(strSQL);
            Listloanappliedfor.DataTextField = "LOAN_TYPE";
            Listloanappliedfor.DataValueField = "LOAN_TYPE_ID";
            Listloanappliedfor.DataBind();
        }

Please help to end this argument