Xml - Populating Treeview With XSD Elements And Attributes In VB 2008?
Jul 26, 2009
I'm trying to create a treeview in a VB 2008 project that shows all the elements and attributes of an XML Schema.The MSDN documentation for XML schemas seems to imply that by loading the schema into an XMLSchemaSet and compiling it I should get access to all the elements and attributes with their values but this doesn't seem to work in practice.
Using a for loop such as:For Each elem As XmlSchemaElement In compiledSchema.Elements.Values
I can use elem.Name to get the element name (and attribute name with a similar nested loop) for a simple type but this doesn't work for a complex type.Whenever (and however) I try to get values for complex types I hit a brick wall.
[Code]...
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Aug 20, 2009
I have a dataset which I am populating via an Oracle SQL query:
SELECT col_id, col_desc
FROM table_data;
Then I generate the dataset, via the function
Dim ds as New DataSet
OracleDataAdapter.Fill(ds)
Now, when I get the XML of the generated dataset via:
Dim strXML as String
strXML = ds.GetXML()
When I read/display the string, it is showing as follows:
<NewDataSet>
<Table>
<COL_ID>ABC001</COL_ID>[code]....
How would I be able to accomplish this? I would read the rows from the table in the dataset and construct the string?
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Feb 17, 2011
I have given the local name of an element or attribute and the schema for the document. What is the easiest way to determine the basic datatype of the element or attribute. By basic datatype I mean the xs:string, xs:date etc. (The built in data types for the xml schema.) One of the problems I face is that it is rare for the elements type to be one of the basic built in types. 99% of the time it is a complex type that 50% of the time refers to another complex type that refers to another complex type and so on.
A simple Example for this schema: I want to find the basic type for Employee/Person/Name/LastName (determine that LastName is xs:normalizedString).
In the schema Employee is defined as an xs:element and type="bns:EmployeeType"
EmplyeeType has a Person element defined but it is type "PersonType" and then Name in person is NameType which is a complex type that extends GeneralName type that is type BasicNameType and that type finally defines the LastName which is of type "LastNameType" and on and on. There also definitions etc. I am currently writing a parser using linq-to-xml to get at this but it isn't easy or pretty. I have searched for other solutions and haven't found any but I fully admit my XML/schema/XPath ignorance. Is there an easy way to get the basic type for elements?
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Sep 13, 2010
I have a class, let's call MyClass. In this class, I have a TreeView property let's call myTreeView..In my code, I populate the Nodes of this TreeView so I can use it later on.Then, when it's time to actualy use it, I haven't been able to take all the nodes from myClass and put them in a Tree View Control on my form.[code]The weird thing is that when debugging, the TreeView in MyClass is well populated with the proper values and in the loop, newNode isn't empty, there's actually something but for some reason it's not showing anything.
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Jun 24, 2010
I built a treenode to be populated from my network drives, from this treeview I would like to populate another treeview to show the files when the first one is selected. For example, if the user were to click on the c:TestFolder then the second treeview would show the TestFolder, all sub folders and files.
Below is my code:
Imports System
Imports System.IO
Public Class F_Treeview_Demo
Public IsSomethingChecked As Boolean = False
Private fbIgnoreClick As Boolean = False
[Code] .....
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Apr 1, 2009
Does anyone know if there is a way of populating a treeview from active directory so that it can do the following:Loads a list of servers --> Double Click the Server(Expand) --> Then i can select users --> then the department they are in --> then select the user so i can manage the user. i.e change there password[code]
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Nov 10, 2010
I have two user controls that need to add a class atribute to the body tag of my page, however they currently over write one another if I just use Body.Attributes.Add("class","value") So I need to check if the class attribute exsists and if it already contains the value Im going to add.
If Not Body.Attributes("class").Contains("value") Then Body.Attributes.add("class", Body.Attributes("class") + " " + "value") End If
EDIT: The contain constraint doesnt return the expected value, resulting the the class not been concatinated, Example: add class "dog" then I a different instance of the same control tries to add "dog" but the contains("dog") returns false
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Jan 24, 2010
I decided to make a module to store all my Sub's for populating a TreeView on my main form. My question is, how do I make the Module.vb where I'm storing these Subs recognize the TreeView on my main form? I'm going to create subs such as this:
Public Sub Populatetest()
Dim _GeneralNode1 As TreeNode = TreeView1.Nodes.Add("Test")
End Sub
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May 14, 2011
I have a problems with my application..
1. collapse and expand treeview when i click plus sign (+) on treeview, treeview didn't expand subfolder but when i click image, treeview expand it.
2. showing path that i check on treeview when i check the treeview then i'm click the button, then return path that i check
This is my code..
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Sep 17, 2010
I created a method and pass the element type, id, and any inner text that instantiates a new html element. The last statement: Me.Controls.Add(element) adds it to the end of the page, but I would like it to be inserted in a specific position (between 2 divs within a form). What I am describing is very similar to this post on SO here, although it was for javascript.
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Apr 8, 2009
I need to access a list of attributes as follows.I'm drawing a curve named "CurveName". With Curvename I need to access the curve color, the data symbol etc.I tried this:
Dim cllCurveAtt as new cllCurveAtt
sub SetAtt
cllCurveAtt.Add(CurveName, "Color.Red")
......
end sub
If I then want to refer to the curve color through cllCurveAtt(CurveName) I get an error because "Color.Red" is not a system color, it should be Color.Red without the quotes. But if I remove the quotes in the assignment THAT causes an error because since CurveName is a string, that color thing should also be convertable to a string. Catch 22.
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Nov 24, 2010
[code]I need to select the one ID only which have high priority.I am using below code but it just can bring the data only matching with group and i need order by priority to just bring only ID which priority is high.[code]
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Mar 14, 2010
I'm running out of walls to bang my head against. Okay new windows form with a textbox, button and TreeView Populate the TreeView.nodes with the default nodes via properties
[Code]...
I want to click button1 and have the name of the childnode? Node3? placed in the textbox. Not via selection, I can do that. But via index or item number. The code I have is as follows
[Code]...
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Oct 27, 2010
I can't figure out how to get my code to evaluate the grandchildren of a specified node, where the grandchildren have two attributes which need to be evaluated to determine if the combination exists in the xml file. The function should return true if the two attributes of the grandchild node exist.
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May 29, 2010
Alright so heres the issue when this code runs nothing happens! This is all I could find on the internet on how to disable an account and then remove it from the GAL.
Dim Val As Integer = CInt(AdObject.GetDirectoryEntry.Properties("userAccountControl").Value)
AdObject.GetDirectoryEntry.Properties("userAccountControl").Value = Val Or &H2
AdObject.GetDirectoryEntry.Properties("msExchHideFromAddressLists").Value = "TRUE"
'AdObject.GetDirectoryEntry.MoveTo(MoveTo)
AdObject.GetDirectoryEntry.CommitChanges()
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Jul 3, 2010
m_ArchiveBoolean, m_HiddenBoolean, m_ReadOnlyBoolean, m_IndexedBoolean, m_CompressedBoolean are all form level booleans that's set from their appropriate Checkboxes on the form before this code runs in a BackgroundWorker.
Why is it that this code works:
Try
Dim fi As New FileInfo(element)
[code].....
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Jun 5, 2009
I have some custom user controls (asp.net) that is loaded via a configuration file this works great..
Problem - Some of these user controls I made you set some parameters.
Example - oUCtrl = page.LoadControl("UserControls/" & oCtrlNode.Attributes("name").Value & ".ascx")
This loads the control.. now that node has more attributes.. example url="www.google.com" in the config file
<control name="RSSFeed" url="www.google.com"> To set the url on the control it would be oUCtrl.url = "www.google.com"
is there a way to enumerate the properties of a user control or a way to use something to eval a string like eval("oUctrl." & currentAttributeName & "=" currentAttributeValue)
Not sure the best way.. i would assume the best way would enumerate the public properties of the user control and compare against it.
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May 14, 2011
I have created a simple app to display a digital clock, it can create child windows (dialog boxes) to do various chores, one of those chores involves a lengthy background task, so I create it in a modeless manner, so it doesn't block the main program. It all works well... kind of took me awhile to figure it all out, but there is one little cosmetic issue.
[Code]...
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May 21, 2009
I'm sick today and cannot think straight but I have to get this done. I have an array: newarray() I need to populate this array if a condition applies as such:
[Code]...
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Jul 23, 2011
There are 6 buttons have the same name in page i wantto click 3th button this code works:
WebBrowser1.Document.All.GetElementsByName("bid").Item(2).InvokeMember("click")
but this doesnt work :
WebBrowser1.Document.All.GetElementsByName("bid").Item(TextBox1.text).InvokeMember("click")
it gives error while debugging
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Jun 10, 2011
I Want to populate a combo box in vb 2008 with mysql, but when i run the thing that appear is "System.__ComObject"..kindly check the errors..
Dim conn As ADODB.Connection
Dim rs As ADODB.Recordset
conn = New ADODB.Connection
[Code].....
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Feb 27, 2012
I would like to populate a drop down list using values from the database. I would like to know how I can add to the dropdown list both the display member and value member straight all from the database
Display Name: Account_Name
Member Value: Account_ID
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Feb 28, 2010
I am trying to populate a datagridview with the content of a text file.
the text file contents are as follows:
[Code].....
I get no error while building the project. The textline variables are being populated correctly.
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May 6, 2010
I have the following dataset and datatable:
Dim topics As New DataSet()
Public Function JT_PullData(ByVal TableName As String) As DataTable
If topics.Tables.Count >= 1 Then
topics.Clear()
[Code]...
I am supposed to set the dataset and then set the values that would be shown.
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Sep 22, 2009
Imports MySql.Data.MySqlClient
Public Class Form2
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim conn As MySqlConnection
[code]....
I can't quite figure out how to populate the dang list with that code, am I doing something wrong?
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Apr 24, 2010
What I want it to do, is when a id is selected to be modified, another form will pop up with the fields are filled in with the relative data. Every time I run this I keep getting the following error -- "Syntax error in string in query expression '(the wombat ID selected)'"when it gets to the following line of "fillformDataReader = fillformCommand.ExecuteReader()"What is going wrong and how do I go about fixing this error so the new form is populated with the correct data?
Dim fillformCommand As New OleDbCommand
Dim nameView, idView, regionView, sexView, ageView, weightView, lengthView, sampleView, commieView, descriptionView As String
[code].....
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Apr 26, 2012
I am trying to populate an Access table with data from a csv file. Here is my code
csvConn.Open()
Dim objAdapter As New OleDb.OleDbDataAdapter
Dim objCmdSelect As New OleDb.OleDbCommand("SELECT * FROM [reporting.csv]", csvConn)
[Code]....
The csv has 58 rows of data. The Access table I get is 58 rows of the same data as the first row of the csv. Am I not using parameters correctly?
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Apr 13, 2011
How can I do it without using WebBrowser and get it to an array of HtmlElement?
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Jan 24, 2012
I have an xml document and I want to read the elements from it.Here is what I have:
<my:assetTracking xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:my="http://schemas.microsoft.com/office/infopath/2003/myXSD/2005-10-21T21:12:27" xmlns:xd="http://schemas.microsoft.com/office/infopath/2003">
<my:employee>
<my:employeeName></my:employeeName>
[Code]...
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Feb 7, 2012
I have a form with a DataGridView and ComboBox, both of which are populated with data from an Excel spreadsheet, the source is unbound. My problem is in repopulating the DataGridView with data from another worksheet in the same Excel file when the user selects the corresponding value from the ComboBox. For example if they were to select January from the ComboBox then the DataGridView would load in and display the data contained on say Sheet2, selecting February would load Sheet 3 and so on. I am running Visual Studio 2008.
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