コード:
<uc1:UploadImageControl ID="UploadImageControl1" runat="server" SaveButtonID="btnUpdate"
ImageDirectory="centers" ImageFileName='center_<#Eval("CENTER_ID")%>' DeleteImageAfterSave="true"
MaxUploadSize="5000000" />
からの結果center_<#Eval("CENTER_ID")%>は常にcenter_<#Eval("CENTER_ID")%>私の質問です31