i use repeater in my project .. so when user add new document then i want to highlight new add documents same as gmail when we see new email in gmail account then email is in bold and then we able to see someone send email same as i want when new record added then how to highlight or identify in other ways? 
so someone suggest me use flag for this and then when i try to use flags first i add column in table like this  

![pic](https://i.stack.imgur.com/awncB.png)

and then when i use like this in repeater 

```
 <tr
   style='<%if(DataBinder.Eval(Container.DataItem, "datatype")== 1) 
    { %> background-color: yellow;  <% }
     else { %> background-color: white;
     <%} %>'>

```

it shows me error 

```
Compilation Error 
 Description: An error occurred during the 
compilation of a resource required to service this request. Please 
review the following specific error details and modify your source code 
appropriately.
 Compiler Error Message: CS0103: The name 'Container' does not exist in the current context
Source Error                    
                      Line 124:<%--                            <tr>--%>
Line 125:                            <tr
Line 126:                                  style='<% if (DataBinder.Eval(Container.DataItem, "datatype")== 1) { %> background-color: yellow;  <% }

```

anyone please help where is the problem and how i solve this or is there another way to solve this ?
THANKU