Need Some Help On SELECTING Event

hello all,

i have a nested gridview. how do i add a SELECTING event for this datasource for my inner gridview? because i need to increase the commandtimeout. thnx.


   private SqlDataSource ChildDataSource(string strCustno)
    {
        string strQRY = "Select ...";
        SqlDataSource dsTemp = new SqlDataSource();
       
        dsTemp.ConnectionString = ConfigurationManager.ConnectionStrings["MyConnectionString"].ConnectionString  ;
               
        dsTemp.SelectCommand = strQRY;
       
        return dsTemp;
    }