VS 2005 - Saving DataGrid To XML File
Apr 22, 2009
Using VS2005. The code below saves a datagrid (datagridview1) to XML file and works well. But if newPat is true then I want to save the extra data in the XML file as well. But it doesn't work for some reason. When newPat is true it just saves the XML file as normal but without the extra row.
It seems this code is not working what so ever. I tried replacing
dr("patientName") = gridrow.Cells("patientName").Value
with
dr("patientName") = "test"
And it didn't work, it still saved the names that were in the grid.
newPat = true
For Each gridrow In DataGridView1.Rows
Dim dr As DataRow
[Code] .....
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Mar 17, 2009
I would like to know if it is possible to make my application be able to save the file as the current date. the idea is to have it where the staff login to the application and the application opens the file with the current day.
This means that in the morning before staff open the program the office staff can put up the information, i.e. like briefing sheet, daily notes. etc
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Nov 15, 2009
I'm currently working on a program to store files and information. I'm wanting the program to be able to have multi-user logins i.e. there are numerous combinations of usernames and Passwords. I've created a program that will create new accounts and save them in a .bin file (in the form Username Password). However, now I need to use the user accounts to grant access to a form.
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Jul 28, 2010
Currently, I've encountered a problem where I do not how I can store the variable of my battery level in a text file. I tried .xml and .txt file and it returns me text which can't be read.The code related:
vb.net
[code]Dim psBattery As PowerStatus = SystemInformation.PowerStatus
Dim perFull As Single = psBattery.BatteryLifePercent
[code]....
The place where I do not know what to insert is the "Insert Battery Percentage Here" part so I guess that's the problem.For your info, if you were to use a MsgBox to display, the code which displays that would be <MsgBox("Total battery power remaining: " & perFull * 100 & "%")>
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Jan 14, 2012
I have a rather straightforward question.How to I get a DataGrid in WPF to save/load raw XML files and have the ability to display/edit them with other controls? The application will only work offline so I won't need SQL. Just simply open, edit and save data to XML.
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Jan 26, 2011
I have a form that shows users data from a sql query. What I want to be able to do is when users make a change, they press a save button, the edited/changed data is saved to a new table and then the window is closed. I've looked for several tutorials for this. Can anyone give me an example of a good tutorial or a code example?My database that the user would be saving to is called exceptionsedit.
The code I have this far is this:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveButton.Click
[code].....
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May 23, 2011
i have been using to save any changes to the datagrid to the database which had the name statically assigned like this [code]I then decided to allow the vb program to access any .mdb file dynamically by using and open file dialog which all works fine except for my save button which again has all of the field name set statically like Record,[code]can anyone suggest a replacement for the code that would solve my problem i have also attached a screenshot with the original database or statically defined database opened can anyone suggest code that will do what the above code does dynamically so it can open many database files.
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Feb 20, 2011
How can i make it so i have like 3 textboxes
and if they are filled in and u click on save it all gets saved in a DataGrid Form
so after u restart the program its still there and ready for use?
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Oct 12, 2011
I am trying to save my data on datagrid to access and I got this error :| Object reference not set to an instance of an object. and is referring to this Me.myDA.Update(Me.myDataSet.Tables("Goods"))
Here's my code
Public Class frmGoods
Dim con As New OleDbConnection
Dim myDA As OleDbDataAdapter
Dim myDataSet As DataSet
CODE:.......................
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Apr 29, 2012
IM making a password and username and website recorder and how would i save it all to a file? (and load)
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Dec 2, 2011
I'm creating an admin application that will allow specific users to manage users login credentials for an application. On a form I have a datagrid that is populated by selecting * from Operator table on the DB. I want the admin users to be able to add, edit and delete records from the datagrid and i have enabled these properties on the grid but any changes need to be confirmed by clicking a 'Saves Changes' button. Here's the code behind this button:
vb
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Const cSUBNAME As String = "btnSave_Click"
Try[code].....
I have added a new record but when I save these changes I am getting this error: "02/12/2011 11:43:56,frmOperator,btnSave_Click,5,Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information."
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Feb 12, 2012
Currently I am saving data from my applications by saving a text file via a stream reader as a string. I have come to a problem. In my current application, I have an array of the following structure:
[Code]...
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Mar 11, 2009
ive added a datagrid view to my form and ive also linked it to a database which displays the details i need. but what if i want to delete any rows(records) from the datagrid or edit. i need it to also change in the database. whats the coding? ive tried n tried but cant seem to get the code. its vb.net 2005
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Apr 7, 2011
Basically I have a DataGrid on a form that is used to monitor attendance. I do this by making the data types for the relevant fields boolean so that at runtime, they appear as check boxes that the user can tick. If the user ticks this then the table in MySQL saves this as a 1, or if it is left unticked the table saves it as a 0. I then use those values in a mathematical equation to calculate weekly attendance.
My problem, however, is with saving changes to the table itself. Initially I set a primary key which was fine and allowed me to save. However I needed to turn that primary key to a foreign key and when I do that, I am told that I need a primary key. Now I got round that before when I was entering data into a text box and in my SQL query I'd simply put as my value being " & (name of textbox).Text & " but when I am entering data straight onto the datagrid, I am unsure of what to put in my SQL statement.
StudentID (Was primary key but turned it into foreign key)
Name
Surname
Monday
[cod]....
My friend from college told me it's probably because there are multiple records in the database and can't distinguish between the two (as perhaps there's no WHERE clause in that UpdateCommand) but I doubt it as it was working perfectly well with multiple records when StudentID was a primary key.
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May 22, 2010
I have an Access DB that lists customer details in a datagrid and in textboxes, when I use the edit button I can edit in the textboxes and when I click save the record is saved and shows in the datagrid. But when I exit the program I get "Syntax error in update command" Im not sure why because there are no errors in the error pane at the bottom
This is the code for save button
Private
Sub
btnSave_Click(ByVal
sender As
Object,
ByVal
[Code] .....
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Oct 16, 2011
I am trying to create an xml editor that read and write xml. my code reads the xml with no problem and allows me to create new rows but when I try to "write" it over I get the following error: "Token StartElement in state Epilog would result in an invalid XML document"
here is my xml:
<?xml version="1.0" standalone="yes"?>
<MacroList identifier="test">
[code].....
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Aug 24, 2011
I decided to rewrite my project. Hit another snag. How do I write the contents from a datagrid to a file and back into the datagrid again later? (Actually, I've done the writing ok - but for the life of me can't get the data back into a blank datagrid.
Here's what I done so far:
Imports System
Imports System.IO
Imports System.Text
[Code]....
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Jun 4, 2011
I have a DatagridView which displays the following: IDNo, SubjectName, FirstName,MI, LastName, YearLevel, Address, Gender. I want to save whatever is displayed in it to my database...My code below does not save the SubjectName all the rest are saved.
Private Sub btnRegister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRegister.Click
Try
[code].....
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Apr 1, 2009
I have a table in SQL Server with a field defined as Varbinary (MAX). In VB I am trying to save an image to the table. The file I'm using is 139kB in size and I get no errors but when I look at the record, the Attachment column where my image stream should be is empty. The rest of the information is saved. I checked the buffer and it grabs the correct size of the file (141475) so I'm very sure it's found and loaded the image.
Could the parameter from the SQL not be passing the binary value to the parameter properly?
[Code]...
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Jan 22, 2011
I am trying to learn XML, for which i have created a simple Employees Program. I want to save the records of the employee in an xml file, so far i have the following code:
vb
Private Sub SaveRecord(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim XMLSettings As New XmlWriterSettings
XMLSettings.Indent = True
XMLSettings.IndentChars = " "
XMLSettings.NewLineOnAttributes = True
[Code] .....
This is only working for a single record, How should I insert more employees records within this xml file?
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Apr 2, 2012
I am doing a project for part of my coursework which involves the creation of a series circuit designer.
I am having some trouble with the saving and loading functions; I had intended to save them to a text file with commas separating the component name and the value (if any) attributed with it.
Grid(xcoord, ycoord, 0) contains the component name. Grid(xcoord, ycoord, 1) contains the attached value (resistance or voltage- components such as wires have a value here of 0)
Once the save button is pressed, the text file contains 50 rows of "0".
P.S. Let me know if any other parts of my program are required.
Dim comp(maxsize) as ccircuits[globally declared]
Const maxsize = 50
Structure ccircuits
[Code]....
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Jun 4, 2009
i have invoice form separated into 2 parts the upper part is master (header) and detail (body) in invoices where header contains date,name,invoice number,etc ..and the lower part is the body contains the datagridview with its details like the item name or code,qty,price,discount,etc the problem is i want to save the invoice headers in a table and the body in another different table but with a realtion between the 2 of them by the invoice id i think i put it in the invoices' form load. but i cant get it right so if any one have an example by code 2 solve this prob ,
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May 10, 2009
I have used the following code to update the app.config file. The code works fine and didnt shown any exceptions, but values are not storing to app.config ?
[Code]...
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Apr 25, 2010
I have two counters set up, one for dealers games won and the second one for players games won which both add up the results and displays them in a text box. I have another form made to display Statistics, for both 'This Session' and 'Overall', but how do I save the Overall score?? How can I keep a score saved after the game is closed?Is it something to do with the game setting?? Is there a my.settings option that I should be using?
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Jul 20, 2011
I'm using VS2005 and VB.NET 2005 for my work. I need to create charts and to convert them into images. I'm desperately trying to save MSChart in BMP (or JPEG, I don't care).
I tried to copy the MSChart in the clipboard but I have an error :
VB
MSChart1.EditCopy() 'Copy in the clipboard
If Clipboard.ContainsImage() Then
[Code].....
I know it's a known problem (there are tons of questions about that on the web) but I can't use a newer version of VB... =/
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Mar 22, 2009
In an VB2008 application an email can be saved in a SQL 2005 database. The date, time and subject are saved in SQL. Let's say the receiving time of an email is 12:56:55. After saving the values in SQL a SELECT of the SQL table gives me a time of 13:56:55. From this result I conclude SQL is saving a time value differently. - Is this difference come from the time zone? - Is this difference come from the daylight saving? - Is this difference come from both? How can I easily compare these two values?
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Aug 1, 2009
now the remaining things are done-able but im stuck in new requirement posted by Client which he needs to upload all images from Sql Server to Oracle Database now since old application stores images Path it is kind of new story now ?(:
i tried to build sample application since am not familiar with kind of above requested modification here is my code so far to upload images
'' Sql connection is over
Dim fs as new fileStream (imgPath , io.fileMod.Open , Io.FileAccess.Read)
Dim imgByte (fs.length -1 ) as byte
[Code]......
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May 27, 2010
I am trying to save(export) data from a table in sql 2005. the version of office used is 2007.
I through something together quickly, thinking it would work.. but now I am not sure why its not.? everything seems to work, no errors or anything.. just no excel file either.
Try
Dim strfilename As String = ""
Dim intOpenResult As Integer = vbOKCancel
[Code].....
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Mar 16, 2010
I have a datagridview control. I want to save the rows and then restore them the next time I run the program.
How do I write the rows out to an XML file?
I know how to fill the rows from an XML file. But when I've done so I can't add any more rows. It gives the following exception when I try: Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound. What can I do about this?
Or is there an easier way to save and restore the rows?
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Jul 13, 2010
I've created barcode using barcode.lib downloaded from the net.i've used a picturebox in that picturebox i have created barcode using barcode.lib now i want to save that barcode as image in the database. There's a prblem while saving that image as bytearray in vb.net 2005 it takes null value of that barcode present in picturebox.i'am attaching both images
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