PDF XFA FILL FORM

Question

I am trying to fill pdf XFA form (pdf attached) using below Spire.Pdf but my code is not updating datetime field rest all fields has been updated. Can anyone help to fill my pdf form dynamically using c#?

 

 

case "form1[0].DDEEInput[0].EaxmCompletedDate[0]":

XfaDateTimeField xfSCompleteDate = xfaField as XfaDateTimeField;

xfSCompleteDate.Value ="12/05/2020";

break;