NVDA屏幕阅读器无法读取对话框中的文本？

Question

下面提到的代码反映了一个＆＃39;对话框＆＃39;在屏幕上。我正在使用NVDA屏幕阅读器来阅读屏幕。打开对话框时，仅在输入按钮和屏幕阅读器上显示的焦点仅读取输入按钮。 但我希望屏幕阅读器应该阅读H2标题文本和其他文本＆＃34;你确定要*****＆＃34;。我正在使用MVC。所以，任何人都可以帮助我，我们如何在对话框中阅读全文？

<div id="completCheckInLayer">
            <div class="ui-dialog-content  ui-widget-content">

                <div id="CompleteCheckInhelpLayerContent" class="complete-checkin-content">
                    <h2  class="help-layer-heading" > <span class="accessibleText"> Beginning of Dialog</span>
                        Confirm Completion Without Printing</h2>
                    <div class="check-in-complete-help-layer-content">
                        Are you sure you want to ******And Some More Text here*****
                    <div class="center">
                        <span id="Span1" class="DCLButton"><span class="DCLButtonInner">
                            <form action="/FormPrint.aspx" target="_blank" method="get">
                            <input value="Print Form" type="submit" id="confirmationLayerPrintButton" />
                            </form>
                        </span></span><span id="Span2" class="DCLButton blueShadowButton help-layer-complete-checkin-button">
                            <span class="DCLButtonInner">
                                <input value="Continue Without Printing" type="submit" id="confirmationLayerCompleteCheckInButton" />
                            </span></span>
                            <span class="accessibleText"> End of Dialog</span>
                    </div>
                </div>


            </div>
        </div>