ItemTemplate 에서 메소드 호출하기

 <ItemTemplate>
                    <table style="width:100%; background-color:White;">
                        <tr style="">                    
                            <td>
                              <asp:Label ID="subjectLabel" runat="server" Text='<%# Eval("subject") %>' />
                            </td>
                            <td>
                              <asp:Label ID="nameLabel" runat="server" Text='<%# Eval("name") %>' />
                            </td>
                            <td>
                              <asp:Label ID="companyNameLabel" runat="server"
                                  Text='<%# Eval("companyName") %>' />
                            </td>
                            <td>
                              <asp:Label ID="writeDateLabel" runat="server" Text='<%# Eval("writeDate") %>' />
                            </td>
                            <td>
                                <asp:Label ID="Label1" Text='<%# messageChange(""+Eval("isRead")+"") %>' runat="server"></asp:Label>                               
                            </td>
                        </tr>
                  </table>
   </ItemTemplate>       


호출 메소드
 protected string messageChange(string boolType)
        {
            return boolType.Equals("True") ? "수신 확인" : "수신 미확인";
        }