请问,怎样用把一个变量设成一个控件的属性值?
请问,怎样用把一个变量设成一个控件的属性值? 
 如: <asp:AccessDataSource   ID= "AccessDataSource2 "   runat= "server "   DataFile= "~/App_Data/access/报表.mdb " 
                         selectcommand= "select   *   from   [电话簿] ">  </asp:AccessDataSource>    我想用一个变量来替换 "select   *   from   [电话簿] "可以吗?怎么替换?
------解决方案--------------------: <asp:AccessDataSource ID= "AccessDataSource2 " runat= "server " DataFile= "~/App_Data/access/报表.mdb " 
         selectcommand= ' <%=StrSql%>  '>  </asp:AccessDataSource>  
 ============================== 
 后台: 
 ===== 
 private string _StrSql; 
 public string StrSql 
 { 
 get  
 { 
 return _StrSql; 
 } 
 } 
 ..... 
 if(!Page.IsPostBack) 
 { 
 _StrSql =  "select * from [电话簿] "; 
 }