我得到一個錯誤,當我嘗試換一個提交按鈕與GWT:如何用GWT包裝「提交按鈕」?
Caused by: java.lang.AssertionError: Child cannot be null
at com.google.gwt.dom.client.Node$.isOrHasChild$(Node.java:278)
at com.google.gwt.user.client.ui.Button.wrap(Button.java:55)
HTML代碼:
<div style="display:none">
<form id="login_form" action="javascript:;">
<input id="username" type="text">
<input id="password" type="password">
<button type="button" id="submit" name="submit" value="Submit">
</form>
</div>
的Java代碼(GWT):
loginButton = Button.wrap(Document.get().getElementById("submit"));
有任何方式來包裝提交按鈕?
任何人都知道解決方案? – xybrek