Access Violation

Question

  为什么会报Access Violation at address 004D510B in omdule 'Project1.exe'.Read of address 00000032c 错  
   
Member窗体
    ADOMember.Append;
    Frm_MemADD.ShowModal;Frm_MemADD窗体  TMemberManage(ActiveForm).ADOMember.Edit;
  TMemberManage(ActiveForm).ADOMember.FieldByName('MR_AddDate').AsDateTime:=DateTimePicker1.DateTime;
  TMemberManage(ActiveForm).ADOMember.UpdateBatch;

Answer 1

  ADOMember.Append;
  Frm_MemADD:=TFrm_MemADD.Create(nil); // 加上这句试试 
  Frm_MemADD.ShowModal;