Can i set the Grid.columns.field Name set @ "runtime"? from a php file?

[Howard]

Hallo,

have i the chance to set the Field Name of a Grid.Column at runtime? 
Like this:

$("#grid").kendoGrid

   ({

    dataSource:

    {....

        columns:

        [{

            field:"ReadData.php?DataToRead=LastName"

            width: 90

        }]

    }

})

Howard