I can't get my code to update my xml file the code is
For Each node As XmlNode In xmlDoc.GetElementsByTagName("element")
If node.Name = "ScheduledStationAETitle" Then
node.InnerText = Station
[Code]....
I have some data in CSV format which needs to be updated from Visual Basic code.
While updating the record, I am getting the error
[Microsoft][ODBC Text Driver] Updating data in a linked table is not supported by this ISAM.
I have created a DSN named as "dsncsv".
Here is my code: Dim ExcelCon As New ADODB.Connection Dim ExcelRs As New ADODB.Recordset
[Code]...
i m unable to update data into my database in vb 2008. the changes are reflected in the dataset but they are not reflected in database. i have set the datasource's copy to output property to copy if new but it is still not working.
View 6 RepliesI am trying to copy a file from 1 location to other location with a new name. The new name should be like "Oldname + date & time". I wrote the following code but getting error that the Given path format is not supported Imports System.IO[code]...
View 2 RepliesI ran into a problem trying to delete certain text files. 99% of the time everything works fine but every once in a while I get a problem trying to delete certain text files. The exception thrown has a lot to say so here's a screen shot of it. :
Attachment 77319
Here's the code I use to delete the text files.
If File.Exists(StringForTextFile) = True Then
Try
My.Computer.FileSystem.DeleteFile(StringForTextFile)
Catch ex As Exception
[Code] .....
I was thinking that maybe if you tried to send the file to the recycle bin it would always allow that. What would the correct code for :
My.Computer.FileSystem.SendFileToRecycleBin(StringForTextFile)
I have used Visual Basic 2008 for a while now and i have never came across this problem, when i try to build my application i get the following two errors...
Quote:
Unable to copy file "objReleaseParent Pro.xml" to "binReleaseParent Pro.xml". The file or directory is corrupted and unreadable.
AND
Quote:
Unable to create XML documentation file 'E:Parent Pro - TRIALParent ProobjReleaseParent Pro.xml': System Error &H80070570&
I can run in Debug no problem, but i need to publish to a web server and i get the same problem...
adding and updating records from VB to MS Access.
code is as follow:
Private
Sub btnNSubmit_Click(ByVal
sender As System.Object,
ByVal e
[code]....
I am trying to update my database and keep getting the same error:
OleDbException was unhandled
Syntax error in UPDATE statement.
Here's my
The program is connected to a database which contains 5 tables, one of which is ApplicationTable and contains two fields.
Dim da As OleDb.OleDbDataAdapter
Dim con As New OleDb.OleDbConnection
Dim comm As New OleDb.OleDbCommand
Dim ds As New DataSet
Dim sql, Query, text, text2 As String
[Code] .....
Resolved: Changed field name "Password" to something else.
I'm trying to update the datagridview after i add new data into database from other form.[code]...
View 15 RepliesI am having error with the line of code. It prompts me with "No value given for one or more required parameters."
Public Sub Test()
Dim csvConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source= D:Test.csv;Extended Properties=""text;HDR=Yes;FMT=Delimited"""
Dim dbConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and Settingswang1DesktopAssignment XMLXMLEmailAppTest.mdb;User Id=admin;Password=;"
Dim objConn As New OleDbConnection(csvConnString)
[Code] .....
I am developing an application which uses a database that holds the information about a company and it's personnel. but when I try to edit already existing data in the dataset it just won't update it. I've tried all the method the MS sites provided me, but it just won't. the code looks like this: (notice this code wasn't complete)
[Code]...
i m using fallowing code for update, delete and save data it's working very well when i save new recored but when i update and delete recored it's showing error message "Dynamic SQL generation for the DeleteCommand is not supported against a SelectCommand that does not return any key column information."
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If thismode = 0 Then
row = ds.Tables("state").NewRow()
row.Item("state") = TextBox1.Text
[code].....
Here is the code for the loading the combobox. I want to load the combobox with the Name of client. so that user can select the Name and then the details which are associated with that ClientName are to be displayed in the desired textboxes.
View 4 RepliesIm trying to add columns to my database through VB.NET. I have a MS Access database (MDB format). It has a table in it called "TestTable" and that table has only one field in it "FirstField". It has no data in it yet. I want to add columns to it first and then fill data.
[Code]...
I have a problem with updating records from vb to access, As i am a fresser with vb software request you all to guide me in resolving this issue. is there any defult code for reference.
View 2 RepliesI have the following code:
Imports System.Data.SqlClient Public Class Exceptions Private Sub Exceptions_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
that it looks as if my data adapter is trying to update the Scratchpad3, but what I need it to update is ExceptionsEdit. My question is, how do I get my data to post to the ExceptionsEdit table in my database rather than trying to post back to the Scratchpad3?
having a couple of issues with this and i don't really know how to fix this
vb.net
Imports System.Data.OleDb
Public Class Form1
Dim cn As OleDbConnection
[Code]....
update values in a CSV file.I would prefer to use ADO and write a query to update the values.
View 2 Replieshave a tab delimited text file, which I'm reading into a datatable and showing in a grid.I see that I can't update the text file with any changes made to the data, using an UPDATE command. So how would I go about doing this?I could write out the datatable to a new text file, this is not a problem. But I'm only retrieving X records from the text file, so the datatable won't hold the entire text file.
View 4 Repliesi am trying to do a text file to save some configurations. Basically when the application starts it will check if the text file is exist, if not it will create a new text file. Now i'm having a problem is when i try to append the newly created/exist text file, sometimes i need to press the 'save' button many times to update the text file.
Here is part of my When the form loads
Private Sub Config_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If My.Computer.FileSystem.FileExists("C: extfile.ini") = False Then
[Code].....
how i can add, delete, edit, update data of ms access file using visual basic 2008
View 3 RepliesHow to update a file for a stock control system in vb 2008
View 2 RepliesI have a program that is reading and writing to certain memory addresses to a particular application exe...
So I have a listview control with 4 columns and X rows
| Name | Address | Type | Value |
Name: Is just an identifier so the user knows what it is.Address: Is a specific memory address (eg 0058AFA0).Type: Type of value stored in the address (eg, 4 Bytes, Float).Value: Value to store in the address.Im looking for a way to go through each row, take the address and use this to read the value at that address and then update the value on that row
[Code]...
Trying to update an oracle 10g table using asp.net and the oracleclient connector Here is the sql syntax:
[Code]...
everything works fine. The column PURPOSE does exist and I am able to INSERT information into the PURPOSE column.
I have a bound datagrid which I fill from various search options that are available to the end user.Currently I have one of the columns (status) set as a DataGridViewComboBoxColumn with a collection of two items. 'Open' and 'Closed'When the I select for example 'Closed' and hit the 'Update' button an exception is passed with the caption'Update unable to find TableMapping['Tracker'] or DataTable 'Tracker''I have been looking at hope the mapping works for the last 3 hours but getting nowhere fast and I really need to get this project completed by the end of the week.The bound controls are:
Binding Source = BS
Data Member = Tracker
Data Source = TrackerDataSet
[code]...
An unhandled exception of type 'System.InvalidOperationException' occurred in system.windows.forms.dllerror in line: dbAdp.Update(dbDset) in btnSave_Click, (elseif editflag = true) blockdescription: Update unable to find TableMapping['Table'] or DataTable 'Table'I was also wondering if I could simply use the ExecuteNonQuery for the delete statement, but since I've placed my data in a datarow, I'm not sure if i can actually use it. Any thoughts on this? Btw, this is my first time using a datarow, and I've recently been studying how to use ADO.net.
dr = dbDset.Tables(0).Rows(CurIndex)
dr.Delete()
dbAdp.Update(dbDset.Tables("addresses"))
[code].....
While am using the below code it was throwing an exception update unable to find table mapping [Customer] or data table customer.
[code]...
I have a Motor Class, along with a Collection to hold objects address. Each Collection object holds the Class fields as a String to display in list box. I am able to write the collection string to the file and save the string. But unable to open the existing file, read the file back into the collection object.
Public Class Motor
Private strId As String
Private strDescription As String
[Code]......
I have looked all over for anything (samples or tutorials for working with files and collection objects) pertaining to type of operation with out any success.
What I want, is for my text file to be read into the array named "CFiles()". Then once this is complete to delete the file But I get the error, The process cannot access the file 'C:UsersAndrewDesktopNew.txt' because it is being used by another process. On 3rd to last line. My code is below:
[Code]...
What I want, is for my text file to be read into the array named "CFiles()". Then once this is complete to delete the fileButI get the error, The process cannot access the file 'C:\Users\Andrew\Desktop\New.txt' because it is being used by another process. On 3rd to last line.My code is below:
Public Class Form1
Dim File As String = "C:\Users\Andrew\Desktop\New.txt"
Dim CFiles() As String
[code].....