Xml - Have Dynamic File Name When Using Dataset.writexml?
Feb 14, 2012
I am stack at work finishing my program.I have a piece of code to write an xml file.
Dim ds As New DataSet
Dim dt As DataTable = GetDtable()
ds.Tables.Add(dt)
[code]....
That work will write an XML file whatever I put in the datatable (or dataset). It is just a simple code and it works fine. The problem is it will replace the old file everytime the new file is created. I really don't want that to happen. I also want to include 2 variables (username, sessionID) also time of the file created in the file name. So file name will be Username_sessionID_time.xml rathen than a fixed name.
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Feb 6, 2012
When i output my dataset to an xml file, 87 nested tables with 218 class object (system.type.object) columms i get 247,691 instances of output like this."msdata:InstanceType="LotNet.LForm+Pointer, Learing Programs, Version=1.3.0.9, Culture=neutral, PublicKeyToken=null" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">" In this case the decluration is more then twice the size of the Pointer. Is there any way to supress this kind of output the data is only used for internal consumption by other moduals.
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Sep 21, 2011
In VB.NET when I use the WriteXML of DataSet, can I customize it? That is to say; I want to make a structure like this:
[Code]...
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May 15, 2009
What I am trying to do is to output a dataset into an xml document using Dataset.WriteXML(), but one of the things that I can't figure out how to do is to have what I believe are called inner nodes.What I mean by that is I have client data, but a client can belong to many companies, which I need to show in the xml as strings, so what I was thinking it should look like is...
<ClientData>
<Client>
<ClientName>[code].....
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Jun 24, 2010
I have some code that creates a dataset from a backend server. I then use the WriteXML method to output it to an XML file. This works fine. But some folks have requested that I sort the output one way or the other (yes, it is easy for them to do so, but they are end users and want the computer to do all their work.) I know I can use .select to extract the data to an array, but I would then have to write that array out to a .XML file. It would be easier (I think) to just sort the data before I output it to XML. I had thought there might be something like dataset.table(0).sortColumn = 2 or something like that, but apparently not.There is only one table and the code will know which columns may be used for sorting.
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Apr 16, 2012
I have a question about using writeXml. When I use this method, it writes to the specified xml file like this:
<safety><Incident>
<Name>Jason</Name>
<AGE>23</AGE>
</Incident>
<Incident>
<Name>Frank</Name>
<AGE>25</AGE>
</Incident></safety>
But, I would like to add these nodes to a parent node, i.e.:
<safety><SomeNode><Incident>
<Name>Jason</Name>
<AGE>23</AGE>
</Incident>
<Incident>
<Name>Frank</Name>
<AGE>25</AGE>
</Incident></someNode></safety>
I am creating the xml by first creating a dataset (connects to an SQL db and runs a query, filling the dataset) and using ds.WriteXML(myPath)
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Mar 12, 2009
I have an XML file that is being updated via ASP.NET. The user should be able to add new nodes to the XML file AT ANY LOCATION in the node tree.
The XML file is read into a DataSet using DataSet.ReadXml(filename).
A new row is added to the appropriate DataTable, using InsertAt(row, index).
I have confirmed using a DataGrid, and using a loop (For Each dRow in Table, Response.Write..) that the new Row was inserted into the table at the correct spot (in my example code, the 3rd position).
However, The WriteXml() method is writing the node to the END of the XML tree! I can't get it to see the tree with the node in the correct location.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sXML_Lesson As String = "test.xml"
[Code]......
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Feb 18, 2011
I have to generate an XML file from several database tables. I could use the WriteXml method of the DataSet to do it, but the database tables are really huge and I can't add all those tables in the DataSet at the same time or it may cause a problem because of the big amount of memory used. Then I decided to use the DataTable's WriteXml method and save table after table, but the the generated file only stores the information of the last DataTable.WriteXml's call. How can I preserve the previous XML data when adding all that information?
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Jan 5, 2012
How to correctly insert image data from XML file to database table using sql server CE and openxml,XML file is written by vb.net DataSet.WriteXml method?image data is stored in database table is :
0x89504E47.my XML file Content after written by WriteXml method is :
<?xml version="1.0" standalone="yes"?>
<Data>
<Table>
<image>iVBORw0KGgoAAAANSUhEUgAAAcIAAAGuCAYAAAADLg..</image>
</Table>
</Data>
but after inserting with openrowset and openxml using stored procedure to another database table its value changes to this :0x2F0039006A002F00340041004100510.and is not the first value and raises an error in vb.net for opening image from database.
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Jan 13, 2011
How can I use dynamic fields in LINQ in the PART OF THE where query? I mean that I want to write where x = *dynamic fields* I want to do the select query in all of the tables that are in the dataset, not on one datatable.
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Jun 14, 2010
i can connect to only one Data Base with dataset in Visual Basic . but i want Have Dynamic connection to data base i mean in want to my appliction users have ablity to connect to any data base they want (For Example : Choose file from menu and then open and then Select any Data base.)
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Jun 3, 2005
I have a dataset which I wish to export to XML. The writeXML function works fine, but if a value in my dataset is a NULL, it doesn't export that element at all, for that row. I would have expected it to export at least an open and closed element.
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Aug 15, 2011
I have code to write xml file but unfortunately the database had field name with sapce eg. "form no" but when the xml file saves it converts to
"form_x0020_no" Pls tell me if there is any solution so that xml could be written with "form_no". and at this stage of application development i cannot chnage the variable names.
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Mar 2, 2009
I have developed a program that tracks expenses for business trips that uses just a local SQL CE database on the user's pc. I chose SQL CE because the install process was much quicker and easier than Express. I have distributed the solution and I am looking for a way to allow users to backup and restore the data. I though that the readXML and writeXML methods from the dataset sounded like a good method, but I can't get it to work. I have tried a couple methods which have ended in either foreign key errors or not being able to keep the same primary keys as when the data was exported using readXML.
The basic structure for the data is:SQL CE Database -> DataAdapter.Fill -> Dataset -> Displayed to user through binding sources and other means The problem is not exporting the dataset with .writeXML, but getting the data back into database. The one shot .updateAll from the main table adapter creates foreign key failures, so I have reverted to iterating through the dataset and sending one row at a time, but I still can't get it to work.
[code]...
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May 8, 2011
i have created a dynamic tabpage and a dynamic tablelayoutpanel inside it then added dynamic textboxes and labels inside the tablelayoutpanel...the thing is , i am having a problem on how to access the value of those textboxes and labels and add them as new columns in the new table(tagpage) in mysql database, i can already create the table in the database but i cant add the new columns in it. heres the code for accessing the values of the labels and textboxes
error: NullReferenceException was unhandled....Object variable or With block variable not set.
sql = "alter table " & tbl_selected(counter) & " add " & frmMain.Controls("TLP_" & SecArrList_sp(counter2)).controls.item(SecArrList_sp(counter2) & "label" & counter).Text & " varchar(100) NULL;"
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Feb 5, 2010
I would like to bind a DataGridView to a different LINQ query every time (in order to reuse the same form/DGV for different queries), like this:
[Code]....
but the "Qry", and the number of comboboxes, and their field names would change every time.
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Feb 29, 2012
Basically i have one TabControl with a form and 2 browsers within one form I have ProBlem To call the dynamic browser to navigate with dynamic Textbox.text
[Code]...
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Nov 4, 2011
building another command-line app and I need to generate a log file and write to it throughout the app's run, but the log needs to be named <work_order>_<device>.log - both of those are held in a text file and will change frequently.
I can extract them no problem, and use them in the log file, but can't get the log file to use them in the name.
so I have:
Using strDATA As New StreamReader(DATA_FILE)
Do While Not strDATA.EndOfStream
Dim eng As String() = Split(strDATA.ReadLine, "=")
[Code]....
PATH and WORK_ORDER are declared as Public earlier on as are PATH, LOG, TMP and CSV, this sub is also Public. I also need to use the log writer in other subs as well as WORK_ORDER and DEVICE.
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Mar 14, 2009
I have a menu and I want to add video files inside the menu without recreate the EXE file each time I add a video
Let say the menu called videos And I want to add submenus called video 1, video2 and so on
So all I have to do to add the new video file in the program folder and edit the text file to see the new video when the program run
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Sep 13, 2009
I'm working on a kind of database program. What it does is, after an user fills in a couple of textboxes and hits an "Add" button, it creates a series of textboxes, and places these in the same form. After that, and here's where I have the problem, I want to be able to save the form, saving not only what each dynamically added textbox says, but also it's location in the form.
Here's part of my work up to now:
Code:
Public Class Form3
Dim k As Integer = 1
Dim i As Integer = 0
Dim j As Integer = 0
Dim x As Integer = 8
Dim y As Integer = 40
[Code] .....
NOTE: Age, name, last name, tel and type are all the fields that the user has to fill in, they are textboxes.
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Sep 17, 2009
Private Sub LoadButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LoadButton.Click
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May 24, 2010
I need to represent the following query using LINQ:
DECLARE @PurchasedInventoryItemID Int = 2
DECLARE @PurchasedInventorySectionID Int = 0
DECLARE @PurchasedInventoryItem_PurchasingCategoryID Int = 3
DECLARE @PurchasedInventorySection_PurchasingCategoryID Int = 0
[code]....
Now, I know that a query in .NET doesnt look like this, this is my test in the SQL Design Studio. Naturally VB.NET variables will be used in place of the SQL local variables.My problem is this: All of the conditions after "WHERE" are optional. In that a query might be made that uses one, some, all, or none of the conditions. V.PropertyID and V.Value can also appear any number of times.In VB.NET I can make this query easy enough by simply concatenating strings, and using a loop to append the "V.PropertyID/V.Value" conditions.I can also make a Stored Procedure in MS SQL, which is easy enough.However, I want to accomplish this using LINQ.
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Feb 19, 2010
Ive managed to dynamically create a form, and dynamically create a timer, but i have not been able to create the timer on the dynamic form. Specifically, i need to be able to have the timer itself create another form with a timer. (I realize that this would create a new form every interval on the timer, that is what i want to do)
1. A way to add the timer to the dynamic form, and maintain the timer sub on my main form.
2. A way to create the whole thing over (dynamic form and timer) through the previous dynamic form and timer.
I was thinking i could use a collection/array to store the forms and timers, but i'm still having trouble figuring out how to add entire forms or timers into a list. (A timer is not considered a control, so i cant use a controlcollection...)
Heres my code;
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim frm As New Form
[Code]....
*EDIT* Btw, my idea was to use i as a variable that increases every time a form is created, then insert the form into the array, with i as the integer. i just need to know how to create a new form with a different name each time. (as with timers)
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Jul 8, 2011
I wrote a function ReadXML().This function reads XML file and returns a string.The string contains all the XML file nodes values to duild SQL query dynamically. Any way My code is working. Is this right way? Can you please suggest me the unnecessary code(loops...)in this function, So that I can do the code in a better way.[code]
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Jul 21, 2009
I have a VB 2003 project and I have saved dynamic settings in the app.config.exe file with success.I am using ColorDialog to change the color of textboxes. Everything works OK except I need to save the changes in the config file.I have success with saving changes for textbox.text but not colors.
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May 23, 2012
I'm letting my users write their own HTML from my webpage. When they click the preview button, my code behind needs access to controls on the page (and so I understand I can't use a web method here). It builds the HTML and saves it as a file on the server. My question is: Once the file has been made, I want to automatically open the file in a new window for the user to see their handy work. I'm using vb.net, but happy to receive c# answers.
[Code]...
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Aug 11, 2010
I currently have a XML file for an application I am developing. I have built a a XMLFile.GetContent function to read my XML File and load the content into a set of specific objects. These objects are then added to a collection and passed back to the main code to be loaded into the memory of the application.I am looking for a dynamic way of loading the information from the XML file into a specific Object Property. I have added comments to the function to show what I want to make dynamic.Content of XML File
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Config>
<IQSDataSources>[code].....
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Oct 15, 2009
I have a form that i need to be 100% Dynamic. So it could contain 10 labels maybe 100 who knows.
When you hover over a label there will be a different contextmenustrip to appear for each and every label. So all the contextmenustrips are Dynamic and contain 1 option maybe 2 options even 3 or 4 up to the users settings.
My problem is not creating a handler for when the user clicks on the contextmenustrips options. The problem is knowing which one of the options for that contextmenu was clicked!!
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Jan 11, 2012
OK, I'm trying to display tooltip text for a dynamic edit box. Well, at least I'm trying to.
On my form, I've got a tool tip control which I've conveniently named ToolTip. My edit box displays OK. But, what I want to do is when the user hovers their mouse over the text box, I want the tool tip to display some text.
I think there are two problems that I'm having. I'm not convinced that I'm properly addressing a dynamic text box name. Ideally, I would want to be able to refer to the text box (but using a dynamic variable that will contain the prefix of the name). To hardcode, I would want to be able to achieve (not in this example but in theory): ABCDEFGt_0300.Text = "hello"
Dim controllerName as string = "ABCDEFG"
Dim t_0300 As New TextBox()
Me.Controls.Add(t_0300)
[Code].....
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Jan 7, 2010
In a ASP.NET app from a procedure IN a VB code file a dynamic control is called. The first problem may solve the second. In the following line of code I am getting an "end of statement expected" error at the following line.
[Code]....
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