title: .Net compact framework: inherit from DataGridTextBoxColumn, GetColumnValueAtRow is missing
body: <p>The <code>DataGrid</code> in the .net compact framework (I'm using v3.5) is a bit limited. I try to display a <code>bool</code>-value with app-defined texts like "on/off" or translations of "true/false". I've created a class <code>DataGridBoolColumn</code> which inherits from <code>DataGridTextBoxColumn</code> and there I override the <code>Paint</code>-method. But I've problems with retrieving the current value of the cell, since there's no <code>GetColumnValueAtRow</code>-method in the comapct framework.</p>
  
  <p>In my small app I know, that the grid is bound to a <code>DataView</code> and I can pass the relevant objects to my constructor so I can look up the value. But this is not a real generic way so I can't use this class in other apps with other bound data sources. Is there a "righter" way to get the current value in the <code>Paint</code> method?</p>