Grid view and data table

i have following data table queried from database:


          id    MIN   MAX    USERID    fk_id
          -------------------------------------
          1      1     21     1          1  
          2      22    30     1          1 
          3      31    60     2          1
          4      1     90     2          2


I would like the fk_id column to identify the row value, rather than foreign key id,
as well as display this value in a grid view. In addition I would like a column of check boxes and an EDIT link. And finally I would like the min and max values to be displayed in a single column rather than two. For example if MIN is 22 and MAX is 30. it should print in one column in gridview as 22 to 30.
I want to show range(min, max), user name from userid(other table) and those tow above specified column.
Plz help

Hi
   You can write below code....
 <HeaderTemplate>
<tr>
<td>Range</td>
</tr>
</HeaderTemplate>
<itemtemplate>
<tr>
<td><%#DataBinder.Eval(Container.DataItem,"MIN")%>
<%#CheckNull(DataBinder.Eval(Container.DataItem,"MAX"))%></td>
</tr>
</itemtemplate>

//In Code File..
protected string CheckNull(object objGrid)
{
if (object.ReferenceEquals(objGrid, DBNull.Value))
{
return "+";
}
else
{
return "To "+objGrid.ToString();
}
}

//Output:-
Range
5   To 10
10 To 20
20 +

//For more detail refer below link..
http://www.csharpaspnetarticles.com/2009/08/handle-gridview-eval-null-itemtemplate.html