Unable To Rename A File After Storing Path In An Object Array?
Feb 10, 2010
I create a string array from a bunch of files that were dropped on a control after that i use a loops to pass that data into an array of my pictureObjects object (just stores filePath info and some other things).for some reason after it's been passed to the control the "My.Computer.FileSystem.RenameFile" doesn't seem to work at all... it's a valid file name and everthing.
Dim sFileArray() As String = e.Data.GetData(DataFormats.FileDrop)
'load sFileArray into new array of picureObjects
ReDim dropedPicture(sFileArray.Length)
Dim dropedOnPictureBox As Integer[code]......
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Jan 15, 2012
I've been searching around these forums for quite a while now, and can't seem to either understand or find what I'm looking for.I have a text file, that my program is always adding to it, it's format is like so:
Line 1: UserName (For User 1)
Line 2: FilePath (For User 1)
Line 3: UserName (For User 2)
[code].....
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Mar 14, 2011
I am relativel new to using the .Net framework. I am trying to learn how to set the path of a file to a variable, and having no luck. I keep getting a message that indicates that the path can't be set. The error seems to be a runtime error. Here is the code
[Code]...
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Jul 24, 2011
Im running Visual Basic Express, basically, Ive made a program with which when you press a button, it opens an application, and runs a file within it.
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Feb 10, 2011
Sequential Access File and storing them in an array?
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Jun 13, 2011
I have a bar cash register and have buttons for the drinks and number pad. In the program I have it working and it is reading the File and storing it in a Array. the problem i have is writing back to the part of the textfile. Here is 2 of the drinks buttons, all the rest of the drinks are the same.
[Code]...
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Feb 8, 2009
I have a simple byte array: Dim TheBuffer() As Byte={0,1,2,3} and I want to store it to a TEXT file. Is there any simple way of doing this? I want to enter the text file and see the array 0,1,2,3. don't want binary format etc.
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Nov 11, 2009
I am storing an array of a custom serializable class in session on my site. When a page on the site changes, suddenly it renders them invalid, and tells me that it can't cast the type to it's own type. I assume the class version numbers are changing or something?!
I'm not trying to redesign this whole process.
Unable to cast object of type 'ShipmentPackages[]' to type 'ShipmentPackages[]'.
Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidCastException: Unable to cast object of type 'ShipmentPackages[]' to type 'ShipmentPackages[]'.
[Code].....
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Feb 9, 2011
what I have to do is read the 5 names inside the Sequential Access File and store them in an array. I'v encountered a problems in storing it in an array. Here's the code
Dim infile As IO.StreamReader
Dim names(4) As String
Dim filename As String = "names.txt"
[Code]....
Theres an error in the code saying that a string cannot be converted into a one dimensional array.
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Jan 6, 2011
I have a text file with all of the complete paths. I need to know how to get the parts so I can work with them, going from the bottom up.
Ie:
c://walter/jim
c://walter
c://
And rename each with a ++ or something.
c://walter/jim ++
c://walter ++
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Feb 3, 2011
If s.ShowDialog() = Windows.Forms.DialogResult.OK Then
Dim k As String = s.FileName
origetpath = k
[Code]....
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Dec 4, 2009
I am getting the following error when trying to open a vb .net 1.0 project using VS2002."Unable to open Web project 'ProjectName'.The file path 'FilePath' does not correspond to the URL 'ProjectURL'. The two need to map to the same server location. HTTP 404: Object Not Found."I have tried ALL of the links that Google threw at me (on the first page) on searching on "unable to open web project the two need to map to the same server location" term.I get this error when trying to open an existing vb.net 1.0 project and also when creating a new one.
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Oct 26, 2009
In the attached project when I load the files in datatable and then try to add images without using the "Dispose" method the datagridview does not showing it correctly and when I load images with "Dispose" method then everything is showing correctly but the files are being lock and i am unable rename them...
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Apr 22, 2012
I am trying to create a sort of 'personal code library' in visual studio 2010 where the form displays a list box of certain project files in vb that I have made in the past and when selected, a button can be pressed that launches the .exe files of those visual basic program project files or displays the source code (.vb file)
[Code]...
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Feb 24, 2012
I am using a background worker and am attempting to use the following code. However I keep getting this error on i "Unable to cast object of type 'ObjectCollection' to type 'System.Array'."
Private Sub btnVerify_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnVerify.Click
myArray = listProxies.Items()
BackgroundWorker1.RunWorkerAsync()
End Sub
[code]....
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Jun 29, 2009
i would like to store contents from a text file line by line to arrays before copying them to another text file. what i have is currently like this:
[Code]...
Currently I'm only able to store the whole content into one variable, would like to store the content line by line in arrays.
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Jun 21, 2010
I am trying to delete a file(s) from a checked list box, when i click a button.
This is the code i have:
Dim item As IO.FileInfo
For Each item In CheckedListBox1.CheckedItems
Try
item.Delete()
Catch : End Try
Next item
But i get the error: Unable to cast object of type 'System.String' to type 'System.IO.FileInfo'.
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Aug 22, 2006
I have a Access program and I'm using VBA code in the background to run Winunzip using shell command. Well, the path of the .zip file has spaces in it and it's not recongizing the path as a valid path. Is there a another way to tackle this problem besides the shell?I can't us pkzip either. Has you can see I had to use progra~1 instead of Program Files.[code]
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Feb 22, 2012
I have
Public stack() As CTest
I want
Public stack() As Object
The latter is giving the error "Unable to cast object of type 'Object' to 'CTest'." when used:
Dim thestack As CTest() = testdatabase.getStack
Where testdatabase.getStack simply returns stack();
Public Function getStack() As Object()
Return stack
End Function
This fixes it, but it's not ideal (for me personally):
Dim thestack As Object() = testdatabase.getStack
So if I could keep the variable as-is (Public stack() As Object) and then do something along the lines of class.stack() = CTest I should be able to do Dim thestack As CTest() = testdatabase.getStack because the object array will programmatically have changed from Object to CTest.
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Mar 23, 2010
I am wondering the best way to store an object in memory that is used in a lot of classes throughout an application. We have multiple databases, 1 per customer. We also have a master table and each row is detailed information about the databases such as database name, server IP it's located and a few config settings.
I have an application that loops through those multiple databases and runs some updates on them. The settings I mentioned above are updated each loop iteration into memory. The application then runs through series of processes that include multiple classes using this data. The data never changes during the processes, only during the loop iteration.
The variables are related to a customer, so I have them stored in a customer class. I suppose I could make all of the members shared or should I use a singleton for the customer class? I've never actually used a singleton, only read they are good in this type of situation. Are there better solutions to this type of scenario? Also, I could have plans for this application to be multithreaded later.
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Jun 14, 2012
I am at a new company and I am building a wizard for a web app, (.Net/4.0). The user goes to a few separate screens during the wizard process and must return to the original screen before completion of the wizard. This is different from how they normally do this. But this is how it is TO BE DONE.
One option is to store the result of each panel in the main screen in the DB. So then, when the user leaves & redirects back. I could check for a querystring then call a datareader and populate original values appropriately.
[Code]...
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Jul 25, 2010
My understanding of classes/objects is that you create a class that acts as a "template".From there you simply declare an object of that class and operate directly on that object.eg, object.methods, object.properties etc.That's my limited understanding.I've got a huge form in another project that is crying out for a decent class structure to hold references to a multitude of numbered textboxes.
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May 20, 2012
Ok i need to make an object in this case a picture box draw a line to another picture box with the shortest length while avoiding other type of objects such as labels i am not sure how to do this but so far i have come up with
Private Sub ProgressBar1_ParentChanged(sender As Object, e As System.EventArgs) Handles ProgressBar1.ParentChanged
If ProgressBar1.Value = 50 Then
[code]....
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Dec 21, 2009
If I have two arrays: 1st array="hello" and the 2nd array="there" How can I store these two arrays in a 3rd array ? The answer should be>> hellothere in the 3rd array.
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Dec 4, 2009
I have a quiz I am building that randomly picks the questions from the database and displays them to the page. It seems like it might be hanging with the logic I have on the page_load.I am storing the questionid in a session comma delimited and keep looping through to get the next randomly generated number that isn't in the session. [code]
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Apr 25, 2011
I need to construct a small program that "stores" entered test scores into the program then when a button is clicked, it will display the scores with the appropriate names in the box below. The values are the names "Brian" "james" "jimmy" "jock" and "gok" and there are two test scores "main test" "small test".. I need to be able to "store" these in a "database" and then when the user clicks "show marks" it displays all the names with the marks in a table format. I'm totally screwed and i dont know where to start..I already have done a little coding for the gui such as a password entering system and all that works, all I need now is this storing thing.
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May 15, 2009
I'm having trouble trying to put together some code for an array. What I'm trying to do is get data entered from a text box and store it in an array.What I then need to do is take the entered data and make it appear in reverse order to what it's been entered and show this.
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Oct 15, 2011
I have a whole bunch of information that has been parsed from a web page and i want to insert the data into a multi-demensional array and the compare the data of a certain array element to another array in the same format to determine which is missing/added.So if i have this:
Type of animal | Color | Age
Cat, Brown, 15
Dog, Pink, 6
Fish, Orange, 4
[code].....
I only want to compare the type of the animal and the color and age is irrelevant.I want it to let me know whats missing and what's been added.Sounds bizarre but yeah. It doesn't need to be arrays, it's the only thing i know of though.
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Nov 28, 2011
I am trying to use a unc path to delete a folder from my own machine but I'm getting an "Authorized" error. If I change it to a non-unc path it works file.[code]....
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Feb 4, 2010
I am having a big problem with deleteing a file form the server. I have the filename for a image stored in my SQL database. the problem is i am getting an error of "Illegal characters in path. " Here is the code below:Everything is working fine until the delete command.
Protected Sub DeleteButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim tmpEquipID As String = Request("EquipID")
Dim tmpImageID As String = (CType(FormView1.FindControl("ImageIDLabel"), Label).Text)
Dim d As New equippicsDataContext
[code]....
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