TreeView with xml file - ng.asp-net-forum.master_pages_themes_and_navigation_controls

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11 Items, 1 Pages 1 |< << Go >> >|

	mariolopes
	Asp.Net User

TreeView with xml file

9/27/2005 4:32:36 PM

0/0

Hello
I need to populate a treeview control with one xml file. First: What kind of xml strutucre file i have to use?
I have 3 textboxes (or a datalist) in my form.When i choose one item from the treeview i want the textboxes gets one xml node value.
For example in the following file when i select Application i want to show  "3:06 PM 10/7/2002" and ="Process A"
<Events>
<EventLog Name="Application">
  <Information ="3:06 PM 10/7/2002" DateTime Source="Process A">
   Application Starting
....
Thank you

Mario Lopes

	jdixon
	Asp.Net User

Re: TreeView with xml file

9/28/2005 2:38:45 PM

0/0

Sorry for the poor formatting - this should get you going though,
HTH
JD

XML File:
<Events>
<EventLog Name="Application">
<Information DateTime="3:06 PM 10/7/2002" Source="Process A">
Application Starting
</Information>
<Information DateTime="3:10 PM 10/7/2002" Source="Process B">
Connecting to Network
</Information>
<Warning DateTime="3:11 PM 10/7/2002" Source="Process B">
Network Unavailable...Retrying
</Warning>
<Information DateTime="3:12 PM 10/7/2002" Source="Process A">
Application Shutdown
</Information>
<Error DateTime="3:25 PM 10/7/2002" Source="Process B">
Connection Timeout Exceeded
</Error>
</EventLog>
<EventLog Name="Security"/>
<EventLog Name="System"/>
</Events>

ASPX file:

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Xml" %>
<html>
<head id="Head1" runat="server"/>
<script language="VB" runat="server">
Sub MyTreeView_SelectedNodeChanged(sender As Object, e As EventArgs)
Dim path As String = MyTreeView.SelectedNode.DataPath
MyDetailsSource.XPath = path
MyDataList.DataSource = MyDetailsSource
MyDataList.DataBind()
End Sub
</script>
<body>
<form id="Form1" runat="server">
<asp:XmlDataSource Id="MySource" DataFile="~/XMLFile.xml" XPath="Events/EventLog" runat="server"/>
<asp:TreeView Id="MyTreeView" DataSourceId="MySource" MaxDataBindDepth="1" OnSelectedNodeChanged="MyTreeView_SelectedNodeChanged" runat="server">
<Databindings>
<asp:TreeNodeBinding DataMember="EventLog" TextField="Name" SelectAction="Expand" />
<asp:TreeNodeBinding DataMember="Information" TextField="DateTime"/>
<asp:TreeNodeBinding DataMember="Error" TextField="DateTime"/>
<asp:TreeNodeBinding DataMember="Warning" TextField="DateTime"/>
</Databindings>
</asp:TreeView>
<asp:XmlDataSource Id="MyDetailsSource" DataFile="~/XMLFile.xml" runat="server"/>
<asp:DataList Id="MyDataList" runat="server">
<ItemTemplate>
<asp:TextBox ID="TextBox0" runat="server" Text='<%# XPath("@DateTime") %>'></asp:TextBox><br />
<asp:TextBox ID="TextBox2" runat="server" Text='<%# XPath("@Source") %>' ></asp:TextBox><br />
</ItemTemplate>
</asp:DataList>
</form>
</body>
</html>

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	mariolopes
	Asp.Net User

Re: TreeView with xml file

9/29/2005 2:12:48 PM

0/0

Hello
Works fine
Thank you

Mario Lopes

	mariolopes
	Asp.Net User

Re: TreeView with xml file - Session?

10/4/2005 5:32:11 PM

0/0

Again
I need to save the <%# XPath("@DateTime") %> in a session variable. Please How can i achieve this?
Thanks

Mario Lopes

	JoeBerg
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 4:46:18 PM

0/0

You can get the XmlDocument of the DataSource and query on it:

Session["firstDateTime"] = XmlDataSource1.GetXmlDocument().SelectSingleNode("//@DateTime[1]").Value;

Hope this helps,
Joe

	mariolopes
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 5:17:30 PM

0/0

We are on the right track.
I have one more problem because i get allways the same value (when i change my treeview value i allways get the value .....SelectSingleNode("//@DateTime[1]").Value;).
How can i change the index [1] accordly?

Mario Lopes

	JoeBerg
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 5:50:01 PM

0/0

Yes, that XPath using DateTime[1] will return only the first DateTime that it finds. You could use any other index to get to the DateTime you desire. I'm not sure how you want to store your data, but here's another approach:

int i = 0;
foreach (XmlNode node in XmlDataSource1.GetXmlDocument().SelectNodes("//@DateTime"))
Session["DateTime" + i++.ToString()] = node.Value;

Hope this helps,
Joe

	jdixon
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 6:45:43 PM

0/0

This would work to a point. I suggest using the xpath that you get from DataPath and do a concat with the data that you want, ala:

VB:
Session.Add("DateTime", MyDetailsSource.GetXmlDocument().SelectSingleNode(path + "//@DateTime").Value)

This way you will get just the DateTime from the extact node that you are after\selected in the tree.

Hope this helps

JD

This posting is provided "AS IS" with no warranties, and confers no rights.
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	mariolopes
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 7:12:50 PM

0/0

Session.Add("DateTime", MyDetailsSource.GetXmlDocument().SelectSingleNode(path + "//@DateTime").Value)
How can i obtain the path value?

Mario Lopes

	jdixon
	Asp.Net User

Re: TreeView with xml file - Session?

10/5/2005 8:12:25 PM

0/0

Sub MyTreeView_SelectedNodeChanged(sender As Object, e As EventArgs)
Dim path As String = MyTreeView.SelectedNode.DataPath
MyDetailsSource.XPath = path
MyDataList.DataSource = MyDetailsSource
MyDataList.DataBind()
Session.Add("DateTime", MyDetailsSource.GetXmlDocument().SelectSingleNode(path + "//@DateTime").Value)
End Sub

HTH

JD

This posting is provided "AS IS" with no warranties, and confers no rights.
We Are Hiring

	mariolopes
	Asp.Net User

Re: TreeView with xml file - Session?

10/6/2005 1:32:21 PM

0/0

Works fine!!

Thanks everybody

Mario Lopes

11 Items, 1 Pages 1 |< << Go >> >|

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Web:
How To Populate a Treeview Control with an XML File Visual Basic .NET308063 For a Microsoft Visual Basic .NET version of this article, see 308063. This article illustrates how to populate a Treeview control ...
ASP.NET.4GuysFromRolla.com: Displaying XML Data in the Internet ... Specifically, we can bind the contents of an XML file to the TreeView. The rub of all of this is that the XML file must be in the following precise format: ...
DisplayXmlFile - loading a XML file in a TreeView Display a XML file in a TreeView Note: requires Imports System.Xml Example: DisplayXmlFile(employees.xml, TreeView1)
CodeProject: Save a TreeView into an XML File. Free source code ... The article includes a sample project showing how to save the nodes of a TreeView into an XML file.; Author: Norbert Eder; Section: C / C++ Language; ...
Generating a tree view using XSL and XML What is a Tree View? 3. The XML/XSL files for the Tree View: 3.1. The XML data file: 3.2. The XSL script file: 3.3. The XSL include file; 4. ...
15 Seconds : Populating the TreeView Control from a Database Create the following XML file called XMLFile1.xml and save it in the same directory as your TreeView aspx file. . ...
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CodeProject: Loading and Saving a TreeView control to an XML file ... Demonstrates how to serialize and de-serialize the contents of System.Windows. Forms.TreeView control from an XML file using forward only, ...
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Re: Populate Windows Forms TreeView from XML file - MSDN Forums Jul 21, 2008 ... Re: Populate Windows Forms TreeView from XML file ... I have a TreeView that I am trying to populate from this XML file: ...

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