asp.net mvc - MVC Checkbox not checked when value is true -

i have grid of records contain check box. check box indicates whether transaction has been acknowledged or not. testing purposes, added display text next check box , text indicates boolean true. however, check box not checked.

@for (int = 0; < model.transactionlist.count; i++)         {             <tr>                 <td class="hidden"> @html.hiddenfor(m => m.transactionlist[i].providertransactionid)</td>                 <td class="text-center">                     @html.displaytextfor(m => m.transactionlist[i].acknowledged)                     @html.checkboxfor(m => m.transactionlist[i].acknowledged)                     @html.hiddenfor(m=>m.transactionlist[i].acknowledged)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].fromuictxt)                     @html.hiddenfor(m => m.transactionlist[i].fromuictxt)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].touictxt)                     @html.hiddenfor(m => m.transactionlist[i].touictxt)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].primaryuictxt)                     @html.hiddenfor(m => m.transactionlist[i].primaryuictxt)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].action)                     @html.hiddenfor(m => m.transactionlist[i].action)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].initiateddatestring)                     @html.hiddenfor(m => m.transactionlist[i].initiateddatestring)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].providerfirst) @html.displayfor(m => m.transactionlist[i].providerlast)                     @html.hiddenfor(m => m.transactionlist[i].providerfirst) @html.hiddenfor(m => m.transactionlist[i].providerlast)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].ssn)                     @html.hiddenfor(m => m.transactionlist[i].ssn)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].sendersfirst) @html.displayfor(m => m.transactionlist[i].senderslast)                     @html.hiddenfor(m => m.transactionlist[i].sendersfirst)@html.hiddenfor(m => m.transactionlist[i].senderslast)                 </td>                 <td>                     @html.displayfor(m => m.transactionlist[i].sendersphone)                     @html.hiddenfor(m => m.transactionlist[i].sendersphone)                 </td>             </tr>          } 

thanks!

try clearing modelstate. modelstate.clear(). way checkbox helper value model , not modelstate, might have conflict property name.