From Server to Excel file downloading time this Probem Occur

Question

To enable the details of this specific error message to be viewable on remote machines, please create a tag within a "web.config" configuration file located in the root directory of the current web application. This tag should then have its "mode" attribute set to "Off".

 

<configuration>

<system.web>

<customErrors mode="Off"/>

</system.web>

</configuration>

<configuration>

<system.web>

<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>

</system.web> </configuration>