c# - How to navigate though xml nodes? -


i have 2 buttons , 3 labels in windows form , xml file.

this xml: 

<qustions>   <question id="1" cat="5">     "question text 1"   </question>   <question id="2" cat="2">     "question text 2"   </question>   <question id="3" cat="3">     "question text 3"   </question>   <question id="4" cat="5">     "question text 4"   </question>   <question id="5" cat="8">     "question text 5"   </question> </qustions>

i want show every question body , category in form , navigate through them buttons.

this form

which way best approach achieve this?

try following code uses xml linq

using system; using system.collections.generic; using system.componentmodel; using system.data; using system.drawing; using system.linq; using system.text; using system.windows.forms; using system.xml; using system.xml.linq; using system.io;  namespace windowsformsapplication1 {     public partial class form1 : form     {         public int questionindex = 0;         public list<xelement> questions = null;          public form1()         {             initializecomponent();              string xml =                 "<qustions>" +                   "<question id=\"1\" cat=\"5\">" +                     "\"question text 1\"" +                   "</question>" +                   "<question id=\"2\" cat=\"2\">" +                     "\"question text 2\"" +                   "</question>" +                   "<question id=\"3\" cat=\"3\">" +                     "\"question text 3\"" +                   "</question>" +                   "<question id=\"4\" cat=\"5\">" +                     "\"question text 4\"" +                   "</question>" +                   "<question id=\"5\" cat=\"8\">" +                     "\"question text 5\"" +                   "</question>" +                 "</qustions>";              xdocument doc = xdocument.parse(xml);             questions = doc.descendants("question").tolist();             displayquestion(questionindex);          }          private void buttonprevious_click(object sender, eventargs e)         {             if (questionindex != 0)             {                 displayquestion(--questionindex);             }         }          private void buttonnext_click(object sender, eventargs e)         {             if (questionindex < questions.count - 1)             {                 displayquestion(++questionindex);             }          }         public void displayquestion(int index)         {             textboxid.text = questions[index].attribute("id").value;             textboxcat.text = questions[index].attribute("cat").value;             textboxcattext.text = questions[index].value;         }      } }

Comments

Post a Comment

Popular posts from this blog

get url and add instance to a model with prefilled foreign key :django admin -

Image
i have page in each contest shown in row. each row contains contest id , link other model names have foreign key contest. news model: class news(models.model): title = models.charfield(max_length=50, null=true) description = models.textfield() time = models.timefield( default= datetime.datetime.now().time()) contest = models.foreignkey(contest) i want use admin adding , changing these models. want when user clicks on 'news' has foreign key contest id=1, shows list of news value foreign key. use {% instance in instances %} <tr class="{% cycle 'row1' 'row2' %}"> <td>{{ instance.title }}</td> <td>{{ instance.starttime }}</td> <td>{{ instance.timespan }}</td> <td>{{ instance.date }}</td> <td><a href="/adm...
Read more

css - Make div keyboard-scrollable in jQuery Mobile? -

from can tell, although jquery-mobile-powered pages can contain divs overflow set scroll or auto, , these divs can scrolled one-screen bar or mouse wheel, cannot scrolled using arrow keys, page-up/page-down, or home/end. instead, official "page" div (with data-role="page") absorbs input. perhaps other divs can't acquire focus, i'm not sure. is there way around this? edit: jsfiddle of simple example: https://jsfiddle.net/qogz0shx/ <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquerymobile/1.4.5/jquery.mobile.min.js"> </script> <link rel="stylesheet" href="https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.css"/> <style> #outer { overflow:scroll; height: 50vh; width: 50vw; } #inner { height: 500vh; width: 500vw; } ...
Read more

android - Keyboard hides my half of edit-text and button below it even in scroll view -

i having trouble keyboard covers edit-text , half of button in scroll view. here's layout , please tell me how should resolve problem. many questions on topic none of them s working me. <?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:background="@drawable/bg" android:layout_height="match_parent"> <scrollview android:layout_width="match_parent" android:fillviewport="true" android:layout_height="match_parent"> <relativelayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical"> <linearlayout android:layout_width="match_parent" android:layout_height="w...
Read more