VS 2008 Updating .mdb Table With File Paths
Oct 13, 2009
I am making an appilcation which displays images from a target folder. It was orginally using an sql .sdf file as its data source but the data source has been changes to a .mdb access database.The code does not seen to update the tabe, and being pretty new to this would like some help on how to do this as currently the code is stating the following error:Object reference not set to an instance of an object.This is the code which allows the customer to choose a target folder to display the file images, but the files will not update to the database: [code]
View 3 Replies
ADVERTISEMENT
Feb 16, 2009
I've search for this, but haven't come up with anything. Anyhow, I'm wanting to do something along the lines of contracting the path so you see the start and end, along the lines of:
[Code]...
View 3 Replies
Jun 1, 2012
I have a datagrid that is loaded from a data source called ManualKanbanDataSet. The Access DB is ManualKanban, the table is "Parts". I've set the column properties of the column I want to change to readonly=false.
I make changes to the data in the datagrid, click my update button and nothing updates. here is the update
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Try
Me.Validate()
[code].....
View 9 Replies
Mar 22, 2011
i am working on a project that stores records from a windows form to an access datbase.But i am having problems with the update statement.I have a form with the fields bound to datatable called LeedsHubInfo .Dataset called LeedHubInfoDataSet1.
Private Sub cmd_save_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles cmd_save.Click
' Create a new row.
Dim newJobRow As leedHubInfoDataSet1.LeedsHubInfoRow
newJobRow = Me.LeedHubInfoDataSet1.LeedsHubInfo.NewLeedsHubInfoRow()
[code]....
On the update line i get an exception thrown up "A first chance exception of type 'System.Data.OleDb.OleDbException' occurred in System.Data.dll" I thought inserting a record into a database would be easy but i seem to be naking a right pigs ear of it?
View 2 Replies
Jan 11, 2011
I have a situation where a database table is updated with records inside a loop. Every record in this table has a parent child relationship with another table. This child table is also updated subsequently inside the same loop.I am creating the datatable for Parent table and adding records inside the loop, but committing the records in the database (using SqlCommandBuilder) outside the loop only once.
Inside the loop I am also calling the function for updating records in the child table. Because the adaptor and datable objects are created inside the child table function, I need to commit records in child table inside the function only. So this happens before commit of parent table. Because there is a PK-FK constraint in the database, an error is generated.
Simplest solution would be to bring all code inside one function. But I don't want to do that. Besides this parent child relations can go upto any levels.
[Code]...
View 8 Replies
Mar 23, 2010
What I'm trying to here is create a mail-merge document and then use the file path of the created document to query the documents in the case folder (scanned PDF's) and send them to the printer behind the document. I do not want to open the document just send them to the printer.Document I created [code] I am unsure of how to created this string, someone told me I need to use a like command, which I haven't been able to find out to much about..Also I have no idea how to set up the print loop..I would use a shell command to send them to the network printer? [code]
View 1 Replies
Jun 22, 2010
Getting paths of files in recycle bin ... but after that introduction of code apear a error. So lets get into place.Before introduce the code, to run an aplication a simple write Shell(path)... now with the import of Shell32 (reference of Microsoft shell controls and automization - Type COM) the shell command doesn't work.what do i have to change so i can execute a file again?TcoUpLoad (work with Vb6 and VbNet)
View 7 Replies
Sep 27, 2010
None of the Microsoft videos I have watched, or the other posts I have seen, have given me the pieces I need to understand this process. This is the one key piece of understanding that I need to finish about 4 different programs I have started in the last 2 years. All of them key on understanding the following processes:
View 1 Replies
Mar 7, 2011
I am trying to load a text file into a list box in order to be able to play the files see code below I have an error on this line Which states Error 1 Value of type 'String' cannot be converted to '1-dimensional array of String'.
Dim Open As New OpenFileDialog
Dim myStreamReader As System.IO.StreamReader
Open.Filter = "Text [*.txt*]|*.txt|All Files [*.*]|*.*"
[code]....
View 7 Replies
Jun 1, 2010
Right so I have my piece of software, it's complete (for now) and I want to get the final version of it and send it away. Once sent away the only way I'll be able to update it will be via a DVD or maybe if they download the update online.This is what I wanna know: I am just using the .exe file from the Debug folder, is this the right way? Do I need to compile it first and do a proper saving of the .exe file?Is there a way to specifically do the updating of the .exe file that is somewhere else? At the moment my thoughts would be to just copy the .exe file from the debug folder and wack it on a disk with a bat file that xcopys it. Is that considered the right way to do it?
View 1 Replies
Feb 4, 2011
The end result I am looking for is I want to add File Paths to a CheckedListBox. I only want certain file extensions and if a file by the same name but a specific extension exsists allready then I do not want to add those files to the CheckedListBox.
Example: I am only wanting these filetypes in my CheckedListBox (.gif, .tif, .bmp, and .jpg).However if the filetype (.PNG) allready exsists with the same filename (i.e. image. png and image.jpg) I then do NOT want to add that JPG. Only files that do not allready have a PNG with the same name. (I hope I was able to make this clear)
My current code will add the filetypes (.gif, .tif, .bmp and .jpg) to the CheckedListBox. However I do not know how to have the code only add the files that don't have the PNG.Here is my current code:[code].....
View 2 Replies
Apr 27, 2012
Im fooling around with the Windows Media Player control in Visual Studio 11 (Beta) and I'm wondering how to
1. How to get the path to a folder, and then add all the paths of the files in that folder into an ArrayList
2. How can I get the length of the current .mp3 file that's playing in the Windows Media Player control?
View 5 Replies
Oct 11, 2009
I'm trying to write a program that allows you to; 1) open a mp3 or wav file via the user finding the file and copying the file path and pasting it into a text box and, 2) by pressing a button it will play the desired file, and then 3) by pressing another button it will stop playing the file. I've already have this under pat,
Private Sub cmdOne_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdOne.Click
My.Computer.Audio.Play(My.Resources.buzzer, AudioPlayMode.Background)
End Sub
View 1 Replies
Nov 16, 2009
I am working on a project and transferring the whole project back and forth. The thing is I am using a full file path in all my code ("c:/Users/..."), so when I transfer to the other computer the file paths break. Everything I am linking to is in the "bin" folder in my project's folder. How do I have file paths relative to the project folder?
View 2 Replies
Apr 13, 2009
I have created a local database using the DB wizard in 2008 express.I have created a table called users and I can access the sample data that I have entered into it using a windows form.When I try to add a new record things come unstuck. The record shows in the windws form as being present and the record count increases to indicate this. But when i check the DB itself there is no sign of the record.I am using the tableadapter method as outlined by MSDN. So the question is what am i doing wronghere is the code from the form:
Public Class frmS4
Private Sub UsersBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UsersBindingNavigatorSaveItem.Click
[code].....
View 6 Replies
Jun 1, 2008
I am coding this app on my home pc, but when complete it will be run on individual pc(s) (each pc has it oun HD) on a local network. I have a world of questions but right now how do I set the path to my database? is there a way to set a default if its not found.Database(s) that the app use's are stored in a folder on the server. i.e.: P:MyServerNameDeptFolderData for example.OLEDB or TableAdapters which would be the better choice.I understand that MS Access DB is rather resticting.
View 3 Replies
Jun 5, 2010
I've started a reader for map files for a small turn based game.However, when it attempts to create a tiles string array, but tiles(0,1) through to tiles(0,9) all precede the filename (3.jpg) with a space.
Normal path: C:\path\tiles\3.jpg
Path with rogue spaces (that I can't figure out how to remove): C:\path\tiles\ 3.jpg
Code to read from the file
----------------------------------
Imports System.IO
Public Class Form1
[code]....
View 10 Replies
Apr 22, 2011
i have loaded my application settings into 3 text boxes. now if the user changes these, how do i save the new file/folder paths to my.settings? i tried my.settings.save but it does not seem to work.
'Load the current options
Dim MyConnectionString As String = My.Settings.PrimaryConnectionString
Dim MyDefaultImportFolder As String = My.Settings.DefaultImportFolder
[Code]......
View 2 Replies
Aug 23, 2010
I am working on a project that consists of manipulating several reports (word and excel). At the beginning of my project I set all paths to a hard string (C:users...................) using the my.settings. Worked great during developement but now its time to test on other machines. I have been toying with using Application.StartupPath but cannot figure out how to modify the app.config so I do not have to recode my forms (given it would not take long), not to sound lazy but I know there has to be a way to achieve a computer specific path to find the reports in the application directory.
View 8 Replies
Jul 20, 2010
I am trying to execute a program with switches that ends up with a shortcut being too long and exceeds the 260 character limit for shortcuts in windows XP:
[Code]...
View 8 Replies
Aug 27, 2011
I am trying to write a simple standalone windows forms project that basically contains various buttons which run external application setup files. The problem is I want to be able to run it from a USB stick. I have created a folder inside the project with all the files I need to call in it. I am using Process.start but the paths are obviously going to be wrong when the project is running from the stick as the drive letter may be different each time. How do I over come this.
View 1 Replies
Jan 13, 2010
First of all, using VB 2008.I'm writing my first VB program that will actually do anything, so I am about as noob as noob can get. I'll try to keep my question as simple as possible.
My program will have a password protected screen, but rather than "hard-coding" a password into the program, I'd like to give the user the option of changing the password to whatever he'd like. Obviously, without hardcoding the password into the program, this value would need to be stored somewhere outside the program in order for it to be available the next time the program is executed.
I know that the Windows registry is a place to save data like that, but are there other places (certain types of files, etc.) where this data is typically stored? I'm writing this program for work, and I'm not sure that my IT department will look favorably upon me messing around with the registry.
View 6 Replies
Jul 23, 2011
I have been trying desperately to update a data base file (Microsoft Access file) through a DataGridView control. The form is very simple, containing only a button and the DataGridView control. Whenever I change anything on the DataGridView control and press the Update button, I get an error saying ""No value given for one or more parameters". Below there's a picture showing both my form and the whole code , along with the error message. In case it is not possible to update a data base file through a DataGridView control.
View 3 Replies
Jul 29, 2010
How would I make my web browser accept only file paths? It's a little import manager for a program that I am making, allowing the user to import files, but I dont want but reports that say that they can access google or something through it.
View 8 Replies
Sep 27, 2011
I'm attempting to parse a text file containing several Windows paths; I'd like to use regular expressions if possible, and I'm using VB.NET.The file is formatted somewhat like so:
M - Network Mode
C:ClientSystem - System Path
C:ClientProducts - Product Path
[code].....
View 2 Replies
Sep 5, 2009
My program has to store files externally to work with. Before now the path was fixed at C:/DSGameMaker, I did the following:
System.IO.File.ReadAllText("C:/DSGameMaker/data.dat")
However I want to let users install the program wherever they want, so I changed that line and others to:
System.IO.File.ReadAllText("data.dat")
Which works great, until you do this:
System.IO.File.ReadAllText("D:/X/Y.Z")
As soon as I put a fixed path into the ReadAllText function it changes the relative path to D:/X. Which means the following function looks inside D:/X instead of the apps directory:
System.IO.File.ReadAllText("data.dat")
And complains that "D:/X/data.dat" is not found.
How can I use relative paths but also read from full file names, for example from an OpenFileDialog, without VB changing my relative path, and breaking it all from then onwards?
View 6 Replies
Jul 29, 2010
How do I work out if 2 paths penetrate each other. I say penetrate as I do not just want to work out if they intersect or not ... as intersecting will return false if one path is completely within the other.
View 5 Replies
Jun 21, 2010
Using FileVersionInfo.GetVersionInfo(path), I get what I need most of the time. All the properties are there. But... I have this one folder that most of the properties for this object are NOTHING... except the [Name] property.
[Code]....
View 2 Replies
May 5, 2012
I use a dbDataAdapter to populate a DataTable from an unlinked oracle database.I have a dbDataAdapter that I want to insert rows into an SQL Server table using SQLCommandBuilder.I have been trying all day to update the DataTable that references the SQL Server table with the data from the Oracle DataTable so that I can insert the rows.
View 2 Replies
Sep 20, 2009
I'm trying to get my head around this issue, on a few of my functions i get a warning " 'functionDealWithHiddenFields' doesn't return a value on all code paths. A null reference exception could occur at run time when the result is used."Example function:
vb.net
Function functionDealWithHiddenFields(ByVal HTML As String, ByVal numHiddenFields As Integer, ByVal X As Integer)
[code].....
View 6 Replies
