Tree structure in advanced datagrid

Hi
I'm using advanced datagrid to mainly display heirarchical data.
There are five columns in my datagrid and name column is heirarchical one.
Problem I am facing is tree symbols are getting displayed in some other columns. Please help.

Hi PAgrawal,
Advanced DG has treeColumn property that you can assign to your name column
This will display tree icons on required column
Thanks and Best regards,
Abhishek
Abhishek Chaudhary | [email protected]
Off: +91 712 224 5867 Ext:8358 , Mob: +91 992 358 8703

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How to make the navigation tree icon in an advanced datagrid to expand in different columns

Hi All ,
I am using an application built using Flex 3 .
In my application I am using an AdvancedDataGrid for datadisplay.
And the hierachy is like this
Tree structure in advanced datagrid at present :
Header 1
Header 2
Header 3
Header 4
Header 5
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      Expanded2
          Expanded3
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value
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Header 2
Header 3
Header 4
Header 5
ParentTree
Expanded1
Expanded2
Expanded3
value
can someone tell me if this is possible in advanced data grid and if possible please let me know how do i expand the tree icons in seperate columns ...
Thanks ,
Ajantha

Hi,
you can check the view source of html and check the onclick code written on that plus sign(Expand All), just copy that onclick javascript code and put it on page javascript event.
Thanks,
Jaydip Bosamiya
+91-76000 23053
http://jbosamiya.blogspot.com

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Mx_internal_uid problem with advanced datagrid

I have a XML structure like this:
<Projekti ...attributes>
<Tehtava ....attributes />
<Tehtava ...attributes />
</Projekti>
<Projekti...>
...etc
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data, so I can get a tree view in datagrid where there is Projekti
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When I bind the XML, and the hierarchialdata (that is created
from the XML) flex automatically adds
<mx_internal_uid>a324235351514......</mx_internal_uid>
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Is there a simple way to:
a) prevent thos uid-nodes being created?
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dataprovider of the advanced datagrid?

I know this is way after-the-fact, but I just ran into this problem myself today. I found that it generated the mx_internal_uid if the node I was selecting was an XMLList instead of XML. A simple cast fixed the problem.
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Hi all,
I've encountered the following issue:
I have a database with more then 120.000 records, that I want to show with an advanced datagrid.
It's grouped by 2 ID's, thus showing the results a group within a group. This works perfect!
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Hi Sam, thanks for your help!
I'm not sure though how to create the returned datastructure?
Example:
Product_id
productname
category_a
category_b
1
Toy A
boy
0-3
2
Toy B
girl
0-3
3
Toy C
girl
3-6
4
Toy D
boy
6-9
5
Toy E
girl
3-6
6
Toy F
boy
0-2
7
Toy G
boy
6-9
Grouping by [category_a] and [category_b], I would like to get the following in the Advanced Datagrid, but paginated:
Product_ID
Productname
boy
0-2
6
Toy F
0-3
1
Toy A
6-9
4
Toy D
7
Toy G
girl
0-3
2
Toy B
3-6
3
Toy C
5
Toy E
In my PHP-service, I would create the following query:
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          $this->throwExceptionOnError();
          mysqli_bind_param($stmt, 'ii', $startIndex, $numItems);
          mysqli_stmt_execute($stmt);
          $this->throwExceptionOnError();
          $rows = array();
          mysqli_stmt_bind_result($stmt, $row->product_id, $row->category_a, $row->category_a, $row->productname);
         while (mysqli_stmt_fetch($stmt)) {
           $rows[] = $row;
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          mysqli_stmt_free_result($stmt);
          mysqli_close($this->connection);
          return $rows;
This will give me the right structure, Right?
Now:
- How to tell the Advanced Datagrid which 2 groups to apply?

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                              <li>
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                              </li>
                         </ul>
                    </li>
                    <li>
                         <input type="checkbox">Check 2</input>
                         <ul>
                              <li>
                                   <input type="checkbox">Check 2A</input>
                              </li>
                         </ul>
                    </li>
                    <li>
                         <input type="checkbox">Check 3</input>
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               </ul>
          </form>
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</html>

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How to populate Tree structure from BAPI while tree grows or shrinks

Hi All
Currently I am populating the tree structure from BAPI based on the HLevel (Hierarchy Level) parameter, but when ever insertion and deletion happens in the tree at any level in the UI and at the same time i am updating these tree node values with HLevel value(example : 1 is first level , 2 is second level, 3 is third level etc) updating successfully& correctly into the BAPI, no issues.
Once it is updated into the BAPI, next time when i refreshed the UI then i am not populating the tree structure correctly from BAPI with updated new nodes based on the HLevel. when tree struture grows or shrinks in the BAPI after updating into BAPI from UI then i am not populating the tree sturcture correctly based on the HLevel value from the BAPI.
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anybody helps in this regard with sample code on the populating tree tructure then it would be great help to me.
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Edited by: KalkiReddy on Nov 29, 2009 3:48 PM

Bapi output node:
Value     | Text     | HLevel
01     | A     | 1
0101     | AA      | 2
010101     | AAA     | 3
01010B     | AAB     | 3
0102     | AB     | 2
02     | B     | 1
0201     | BA        | 2
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     IE_T_CatalogueNode catalogueNode = wdContext.nodeE_T_Catalogue();
     int size = catalogueNode.size();
     ICatalogoElement level1elem = null;
     for (int i = 0; i < size; i ++)
          IE_T_CatalogueElement catalogueElem = catalogueNode.getE_T_CatalogueElementAt(i);
          if (catalogueElem.getLevel().equals("1"))
               // 1 Livello
               level1elem = wdContext.createCatalogoElement();
               level1elem.setKATALOGART_CODE(catalogueElem.getKatalogart());
               level1elem.setCODEGRUPPE_CODE(catalogueElem.getCodegruppe());
               level1elem.setCODE(catalogueElem.getCode());
               level1elem.setCODE_DESCR(catalogueElem.getKatalogart_Descr());
               level1elem.setDESCR(catalogueElem.getKatalogart_Descr());
               wdContext.nodeCatalogo().addElement(level1elem);
               for (int j = i + 1; j < size; j ++)
                    IE_T_CatalogueElement catalogueElem2level =
                                             catalogueNode.getE_T_CatalogueElementAt( j );
                    String level2 = catalogueElem2level.getLevel();
                    if (level2.equals("2"))
                         ICatalogoElement level2elem = level1elem.nodeChild().createCatalogoElement();
                         level2elem.setKATALOGART_CODE(catalogueElem2level.getKatalogart());
                         level2elem.setCODEGRUPPE_CODE(catalogueElem2level.getCodegruppe());
                         level2elem.setCODE(catalogueElem2level.getCode());
                         level2elem.setCODE_DESCR(catalogueElem2level.getCodegruppe_Descr());
                         level2elem.setDESCR(catalogueElem2level.getCodegruppe_Descr());
                         level1elem.nodeChild().addElement(level2elem);
                         for (int k = j + 1; k < size; k ++)
                              IE_T_CatalogueElement catalogueElem3level =
                                                       catalogueNode.getE_T_CatalogueElementAt( k );
                              String level3 = catalogueElem3level.getLevel();
                              if (level3.equals("3"))
                                   ICatalogoElement level3elem = level2elem.nodeChild().createCatalogoElement();
                                   level3elem.setKATALOGART_CODE(catalogueElem3level.getKatalogart());
                                   level3elem.setCODEGRUPPE_CODE(catalogueElem3level.getCodegruppe());
                                   level3elem.setCODE(catalogueElem3level.getCode());
                                   level3elem.setCODE_DESCR(catalogueElem3level.getCode_Descr());
                                   level3elem.setDESCR(catalogueElem3level.getCode_Descr());
                                   level2elem.nodeChild().addElement(level3elem);
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Integration of a Tree Structure in a Web Dynpro Table

Hi,
I am implementing an Integration of a Tree Structure in a Web Dynpro Table.
The Tree-Table os working as required, but I can not work with the OnLeadSelect Action of the table.
The Action does not work as required, meanning, it returns all the time the first row and not the "lead select".
As far as I read I should add some code to the wdDoModifyView method, but I did not figure out exactly what...
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check this URL:
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WDA: Tree structure in web dynpro for ABAP

Hi,
I am trying to build a tree structure with information something like the following:
Country
State
City
I used the UI Element "Tree" and I was successful in building it. The only problem is that it supports only one column in each row like name.
I need multiple columns in each row like Name and population.
1) Is there any solution for this using UI element "Tree" only?
2)I checked that there is Table tree UI element, but I could not figure out how I could use it for hierarchial structure like that of my requirement? Can I use it? Is there any example application with hierarchial structure?
3)For tree UI element, any node that is not directly below context node has to be non-singleton. It will lead to adverse performance. Is there any solution for this?
Thanks in advance.
Regards,
Srini.

Hi Srinivasa,
In the context, please create a node DATA with the following fields:
KEY type string
PARENT type string
LOCATION type string
POPULATION type string (or "I" if you happen to have numbers only without a unit like "k" for "thousand").
Then please create a table with a TreeByKeyTableColumn namde LOCATION and an additional TableColumn called POPULATION. Now please add a TextView cell editor to both and bind the text value of each of them to the attributes LOCATION and POPULATION of the context node DATA. Last step is to bind the attribtues rowKey and parentRowKey(?) to the KEY and the PARENT attributes. This concludes the design time part.
Next step is to fill the node DATA with actual data. Just use a supply function and do it like this:
First entry:
KEY = 'WORLD'.
PARENT = ''.
LOCATION = 'World'.
POPULATION = '4 billion'.
Second entry:
KEY = 'DE'.
PARENT = 'WORLD'.
LOCATION = 'Germany'.
POPULATION = '80 million'.
You should now see a table with a tree at the left column that looks like:
<pre>
World 4 billion
->Germany 80 million
</pre>
Kind regards,
Thomas
Message was edited by: Thomas Szuecs

Advanced Datagrid GroupingCollection of flat data (XMLLISTCollection) while sorting throws exception

HI,
     Iam using AdvancedDatagrid inorder to group the flat data populated from the backend through BlazeDS. Result data will be in xml format and i have converted it to xmllistcollection and assigned to the grouping collection source. Flat data is grouped by one of the attribute called 'Name' and refreshed after data has been populated.
Data structre used as input is: WIth this structure, iam grouping by the field 'Name'.
  <Report> <att_report>
<id>FDR1</id>
<Name>Feeder 1</Name>
<frequency>Monthly</frequency>
<Field>Finance 1</Field>
<Aug_10>100</Aug_10>
<Jul_10>200</Jul_10>
</att_report>
<att_report>
<id>FDR1</id>
<Name>Feeder 1</Name>
<frequency>Yearly</frequency>
<Field>Finance 2</Field>
<Jul_10>200</Jul_10>
</att_report>
<att_report>
<id>FDR2</id>
<Name>Feeder 2</Name>
<frequency>Quarterly</frequency>
<Field>Finance 3</Field>
<Jul_10>2000</Jul_10>
</att_report>
<att_report>
<id>FDR2</id>
<Name>Feeder 2</Name>
<frequency>MOnthly</frequency>
<Field>Finance 2</Field>
<Jul_10>2000</Jul_10>
</att_report>
<att_report>
<id>FDR4</id>
<Name>Feeder 4</Name>
<frequency>yearly</frequency>
<Field>Finance 5</Field>
<Jul_10>2000</Jul_10>
</att_report>
</Report>
Grouping is done as expected. We have additional functionalities like soring / seraching of the result set. Either one is working fine. Other functionality throws excpetion mentioned below.
When any of the advanced datagrid grid column header is clicked for sorting, it throws exception. I have pasted the exception below for reference.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.collections::HierarchicalCollectionView/internalRefresh()[C:\work\flex\dmv_automation\ projects\datavisualisation\src\mx\collections\HierarchicalCollectionView.as:709]
at mx.collections::HierarchicalCollectionView/refresh()[C:\work\flex\dmv_automation\projects \datavisualisation\src\mx\collections\HierarchicalCollectionView.as:686]
at mx.controls::AdvancedDataGridBaseEx/sortHandler()[C:\work\flex\dmv_automation\projects\da tavisualisation\src\mx\controls\AdvancedDataGridBaseEx.as:6869]
at mx.controls::AdvancedDataGrid/sortHandler()[C:\work\flex\dmv_automation\projects\datavisu alisation\src\mx\controls\AdvancedDataGrid.as:6899]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()
at mx.controls::AdvancedDataGrid/headerReleaseHandler()[C:\work\flex\dmv_automation\projects \datavisualisation\src\mx\controls\AdvancedDataGrid.as:7120]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()
at mx.controls::AdvancedDataGridBaseEx/mouseUpHandler()[C:\work\flex\dmv_automation\projects \datavisualisation\src\mx\controls\AdvancedDataGridBaseEx.as:5738]
at mx.controls::AdvancedDataGrid/mouseUpHandler()[C:\work\flex\dmv_automation\projects\datav isualisation\src\mx\controls\AdvancedDataGrid.as:8457]
I tried with couple of options but still not able to get rid of the excpetion. I browsed through couple of links also, still not able to find an solution. Can i know whether it is a bug or it can be fixed.
Any help / suggestions on this will be great.
Thanks in Advance,
Srinivasan

Read the error messages and pay attention to the line number of the error:
1)1 import java.io.*;
2
3 public class Test
4 {
5   public static void openFile()
6   {
7     FileOutputStream f = new FileOutputStream("data.txt");
8   }
9
10   public static void main (String[] args)
11   {
12     openFile();
13   }
14 }
$ javac -cp "" Test.java
Test.java:7: unreported exception java.io.FileNotFoundException; must be caught or declared to be thrown
    FileOutputStream f = new FileOutputStream("data.txt");
                         ^
1 error2)1 import java.io.*;
2
3 public class Test
4 {
5   public static void openFile() throws FileNotFoundException
6   {
7     FileOutputStream f = new FileOutputStream("data.txt");
8   }
9
10   public static void main (String[] args)
11   {
12     openFile();
13   }
14 }
$ javac -cp "" Test.java
Test.java:12: unreported exception java.io.FileNotFoundException; must be caught or declared to be thrown
    openFile();
            ^
1 error3)
1 import java.io.*;
2
3 public class Test
4 {
5   public static void openFile() throws FileNotFoundException
6   {
7     FileOutputStream f = new FileOutputStream("data.txt");
8   }
9
10   public static void main (String[] args)
11   {
12     try
13     {
14       openFile();
15     }
16     catch(FileNotFoundException e)
17     {
18       System.out.println("Error file doesn't exist.");
19     }
20   }
21 }
$ javac -cp "" Test.java
$
1 import java.io.*;
2
3 public class Test
4 {
5   public static void openFile() throws FileNotFoundException
6   {
7     FileOutputStream f = new FileOutputStream("data.txt");
8   }
9
10   public static void main (String[] args) throws FileNotFoundException
11   {
12     openFile();
13   }
14 }
$ javac -cp "" Test.java
$

Tree structure in advanced datagrid

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