我想计算button1在page1上被点击了多少次，然后在textbox1中显示page2上的点击量。我尝试在下面编写代码，但它在行'Stringcount=localSettings.Values["Count"].ToString();'上给我一个异常错误。还有其他方法可以做我想做的事吗？第1页privatevoidbutton1_Click(objectsender,RoutedEventArgse){varlocalSettings=Windows.Storage.ApplicationData.Current.LocalSettings;Stringcount=localSe

我想在本地文件夹中的Metro应用程序中写入用户选择的设置。我已经完成了下面的代码，但它不起作用。保存设置的代码:voidOnUnloaded(objectsender,RoutedEventArgsargs){//codetosaveappsettings.varlocalSettings=ApplicationData.Current.LocalSettings;localSettings.Values["playerPosition"]=playerPosition;localSettings.Values["aiPosition"]=aiPosition;localSettin

当我尝试运行以下命令时:ContentValuescv=newContentValues();cv.put(table_LocalSettings_Unit,input);mDb.insert(table_LocalSettings,"",cv);我收到以下错误:Errorinsertingunit=0;SqliteConstraintException:errorcode19constraintfailed.应该是什么问题？表sql代码为:"createtableifnotexists"+table_LocalSettings+"("+table_LocalSettings_ID+"

当我尝试运行以下命令时:ContentValuescv=newContentValues();cv.put(table_LocalSettings_Unit,input);mDb.insert(table_LocalSettings,"",cv);我收到以下错误:Errorinsertingunit=0;SqliteConstraintException:errorcode19constraintfailed.应该是什么问题？表sql代码为:"createtableifnotexists"+table_LocalSettings+"("+table_LocalSettings_ID+"