您好,我正在尝试在Vaadin中的网格中添加按钮,但它只打印按钮对象的引用。
Grid statementEnquiriesList = new Grid();
statementEnquiriesList.addColumn("", Button.class);
statementEnquiriesList.addColumn("DATE/TIME", String.class);
statementEnquiriesList.addColumn("TRANSACTION ID", String.class);
statementEnquiriesList.addColumn("FROM", String.class);
// historyList is an array object
for (int i = 0; i < historyList.size(); i++)
{
HistoryList recordObj = historyList.get(i);
Button addBtn = new Button();
addBtn.setCaption("Add");
statementEnquiriesList.addRow(addBtn , recordObj.getDate(), recordObj.getTransactionId(), recordObj.getFrom());
}
我该如何在这张图片上添加“添加”字样。