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POHow to extract all the data from a Datasource?
 

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  1. POHow to extract all the data from a Datasource?
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    <p>I have a datasource in SmartGWT. How do i extract data from it? I have tried using <code>fetchData()</code>method but then in criteria i need to add a value i.e.</p> <pre><code>Criteria cr = new Criteria(); cr.addCriteria("Name", "Name_Value"); </code></pre> <p>In order to execute a selectall on the DataSource what do i need to do?</p> <p>Here is the code : </p> <pre><code>import com.smartgwt.client.types.Alignment; import com.smartgwt.client.types.DragDataAction; import com.smartgwt.client.widgets.TransferImgButton; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.layout.HStack; import com.smartgwt.client.widgets.layout.VStack; import com.smartgwt.client.widgets.tree.Tree; import com.smartgwt.client.widgets.tree.TreeGrid; import com.google.gwt.core.client.EntryPoint; import com.smartgwt.client.widgets.tree.TreeGridField; public class TreeDragNodesSample implements EntryPoint { TreeGrid grid1 = new TreeGrid(); TreeGrid grid2 = new TreeGrid(); String name=null; public void onModuleLoad() { Tree test = new Tree(); grid1.setDragDataAction(DragDataAction.COPY); grid1.setAutoFetchData(true); grid1.setDataSource(EmployeeXmlDS.getInstance()); grid1.setWidth(200); grid1.setHeight(200); grid1.setShowEdges(true); grid1.setBorder("0px"); grid1.setBodyStyleName("normal"); grid1.setShowHeader(false); grid1.setLeaveScrollbarGap(false); grid1.setEmptyMessage("&lt;br&gt;Drag &amp; drop parts here"); grid1.setManyItemsImage("cubes_all.png"); grid1.setAppImgDir("icons/16/"); grid1.setNodeIcon("cube.png"); grid1.setFolderIcon("person.png"); grid1.setCanReorderRecords(true); grid1.setCanAcceptDroppedRecords(true); grid1.setCanDragRecordsOut(true); grid1.setCanAcceptDrop(true); grid1.setCanDrop(true); TreeGridField tname = new TreeGridField("Name"); TreeGridField child = new TreeGridField("ChildID"); TreeGridField reps = new TreeGridField("ReportsTo"); grid1.setFields(tname); grid2.setLeft(250); grid2.setAutoFetchData(true); grid2.setDataSource(EmployeeXmlDSDrop.getInstance()); grid2.setWidth(200); grid2.setHeight(200); grid2.setShowEdges(true); grid2.setBorder("0px"); grid2.setBodyStyleName("normal"); grid2.setShowHeader(false); grid2.setLeaveScrollbarGap(false); grid2.setEmptyMessage("&lt;br&gt;Drag &amp; drop parts here"); grid2.setManyItemsImage("cubes_all.png"); grid2.setAppImgDir("icons/16/"); grid2.setNodeIcon("cube.png"); grid2.setFolderIcon("person.png"); grid2.setCanReorderRecords(true); grid2.setCanAcceptDroppedRecords(true); grid2.setCanDragRecordsOut(true); grid2.setCanAcceptDrop(true); grid2.setCanDrop(true); TreeGridField tname2 = new TreeGridField("Name"); TreeGridField child2 = new TreeGridField("ChildID"); TreeGridField reps2 = new TreeGridField("ReportsTo"); grid2.setFields(tname2); VStack moveControls = new VStack(10); moveControls.setWidth(32); moveControls.setHeight(74); moveControls.setLayoutAlign(Alignment.CENTER); TransferImgButton rightArrow = new TransferImgButton(TransferImgButton.RIGHT, new ClickHandler() { public void onClick(ClickEvent event) { grid2.transferSelectedData(grid1); } }); moveControls.addMember(rightArrow); TransferImgButton leftArrow = new TransferImgButton(TransferImgButton.LEFT, new ClickHandler() { public void onClick(ClickEvent event) { grid1.transferSelectedData(grid2); } }); moveControls.addMember(leftArrow); HStack grids = new HStack(10); grids.setHeight(160); grids.addMember(grid1); grids.addMember(moveControls); grids.addMember(grid2); grids.draw(); } } </code></pre>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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