VS 2010 - Insert A Couple Of Fields Into A Csv Config File And Then Update All Other Rows
Dec 19, 2011
I'm trying to insert a couple of fields into a csv config file and then update all other rows in the file at the same index by copying the previous 2 entries. I'm reading through each row and converting the row into a list(of String) because it seems to be the most flexible way. Ine initial insert works fine, but the code below doesn't. The actual insert code is:
[Code]...
pcIndex is the list index value from elsewhere in the code at the insertion of the 1st of a pair of values into one row. I need to update that index point and pcIndex +1 in all other rows. However it's not doing anything. Tried using lstSteps.Insert, InsertRange, etc. Am I using this right? Is there a better way? It seems to be over-writing the entry rather than inserting a new column and moving the others up, so it appears the list capacity value isn't updating - so I'm left with the initial row with 4 more entries than the others sticking out of the file.
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May 29, 2009
I am a sys admin for a company and our programmer left several months ago. a program they wrote is now failing and i am struggling to work out why. the program basically pulls data from a csv file into a readable form, written in visual basic. the application works on a couple of machines but not on a couple of others. i have matched up .Net framework versions, MS Primary Interop Assembly versions, still no joy. As the app works on some pc's i am wondering what other differences could cause this?
The error output is:
see the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
Exception Text
CODE:
JIT Debugging
To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled.
For example:
CODE:
When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box.
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Aug 25, 2011
I have a csv file. I need to open it, delete whole row on basis of a column value, Update few of the column values and save the file as .dat file. I am using VB.net 2010
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Jan 5, 2011
I am using this code to Add rows to a SQL database, and it adds the row to the SQL database if column 7 is not null. After it adds the row to the SQL database, it deletes it from the Access Dataset, and updates the Access Database. Sometimes double rows seem to get inserted into the database, so I'm thinking there is an error in my logic somewhere here.
Dim rowcount As Integer = AccessDataSet.AccessTbl.Rows.Count
Dim y As Integer = 0
For x = 0 To rowcount - 1
txtRow = AccessDataSet.AccessTbl(y)
If IsDBNull(txtRow(7)) = False Then
[Code] .....
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Mar 3, 2011
What I need to do is open a csv file which contains 4 fields and many rows, then I want to do different operations determined on the value in the fields.
for example :
My CSV will be in the following format.
ID,Name,Number,Status
Heres what I have so far
Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
[Code].....
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Jun 15, 2011
When ever I try to update a record from data grid using a dataAdapter record it always showing ' update requires a valid insert command when passed data row collection with new rows' From specific sql server Table only. Resulting me holding up a project.
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Apr 18, 2012
I use this code to insert datab from my VB.Net form into my MS Access 2003:
[Code]...
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Jun 6, 2012
The situation: when i build my project (or publish) Visual Basic 2010 makes and exe and a couple ddl files. when i run the project with the .exe and the other files the program works perfectly.
My problem: I want to share it with friends and it is just a verry little program ( a n internet radio) so i want it to be 1 .exe with out any other instalation needed so i can easly share it to anyone who wants it. when i make an even smaller program and Debud->build it, it is only 1 exe and no instalation needed. so is there a way to make my program to 1 exe only?
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Jan 20, 2011
I am working on Treeview control and Gridview Control VB.NET08. In the Treeview i have Parent and Child Nodes. Like:
- 31
3101
3102
[Code].....
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Jan 16, 2012
In SQL Server, you have to put single quotes around strings.But, when trying to run a SQL command in VB.NET I get some weird behavior.If you do an INSERT with a parameterized String value that has a comma in it, it works fine.However, if running an UPDATE command with parameterized String values, it says "Incorrect syntax near ','.I'm lost as to why INSERT can accept commas without single quotes and UPDATE will not accept commas with, or without single quotes.
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Feb 26, 2012
Im trying to make a program that works a bit like the log in on a computer. But i cant make it load a different .config file depending on what username is used. I want it to load a config file from different directories that match the username. eg if the username was bob then it could be: C:MyProgramLoginBobapp.config I've been teaching myself and this has had me stuck for ages.
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Jan 27, 2012
I have a program with the connection string to my database in the config , this file is in the main directory where the software is installed. My question is: Other people can edit or replace this config file with other for example to connect my program to his database? or edit other settings in the config ? so my program will work with a edited or replaced config file?
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Mar 6, 2011
After reading through a bunch of stuff, I was curious what production developers use for config files. I know that there is an app.config file that can be modified by the user of the program w/ settings. I also know I can create my own .xml file or .ini file to store settings as well. I wanted to know from the production side, what do you use and why?
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Jun 13, 2010
I accidently excluded my app.config file so when ever i try to run the app, it fails. How can i get the app.config file back with having to reenter everything
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Jan 18, 2010
is there any tool to validate configuration file?
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Mar 23, 2011
Is there a really simple way to save the app.config file to a location then load it again? I'm making a multiclient app. I was planning on having each user have a folder, and in that folder would be their personalized app.config file that would load when they log in. I don't really know any XML.
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May 14, 2012
In my combobox I have a list of sub folders (so all folders in my Jobs folder), each sub folder has a text file called summary.txt - would it be possible to display fields from the summary.txt in various textboxes if a folder is selected from the combobox? I use the following coding to display folder list in my combobox
[Code]...
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Apr 16, 2012
I developed an windows application using visual basic.NET. I configured my database connection string in app.config file. The problem is that I can retrieve data but cannot insert data into the database. the config file
[Code]...
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Jun 5, 2011
My question is How can i create insert,update,delete query by using class file and store procedure. This query is use for 3 tier.
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Mar 23, 2012
I create table using sql developer
create table tablenodes
(
nodeNo int ,
nodeName varchar2(50),
centerX int ,
centerY int,
][Code]...
I have a problem in updating statements, can't write it correctly, every time I try to edit it, gives me different error (ora-01036 illegal variable name/number, missing expression, invalid identifier).
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Sep 28, 2009
I have an issue with a data base updating it won't update for me in debgging mode it is stopping here on this bit of code which is highlighted in red. the error which comes up is .(update requires a valid update command when passed datarow collection with modified rows.)
Public Sub UpdateDataSource(ByVal ChangedRows As database.dataset1)
Try
'The data source only needs to be updated if there are changes pending.
If (Not (ChangedRows) Is Nothing) Then
[CODE]...
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Apr 1, 2009
Assuming this schema:
Table1 (Col1 int, Col2 str, Col3 str, ...)
Table2 (Col1 int, Col2 str, Col3 str, ...)
[Code]....
I need to select all records from Table2 where there are NO records in Table1 having matches of both Col2 & Col3. For instance, Table 2 records where Table1.Col2 <> Table2.Col2 AND Table1.Col3 <> Table2.Col3.
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Feb 8, 2010
I bound user to fill textbox through this code
If (TextBox1.Text = Nothing) Then
MessageBox.Show("Please Insert Your Name")
End If
but how can i bound user to put characters only in name field,if user insert numbers then its shows alert to user.how can i do this?
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Feb 27, 2012
I have some fix fields in my database but user can add some another fields to my database if s/he needs. How can I insert data to this kind of fields if there are? For fixed fields I have used the follow cods
Dim rs
As New OleDb.OleDbCommand(
"INSERT INTO Wind_Parameters (ID, Name, CrX, CrY) VALUES ('" &
ID &
[Code]....
But I can't add optional fields to this code. I think I should use UPDATE syntax for fill optional fields after running this cod but I couldn't find correct syntax for it in visual basic 2010
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Jul 21, 2010
I have a gridview that is set to a sql datasource, it is generating the columns automatically. If I add a column to the table it is referencing, it will draw that column and display it, but it does not update the insert/update commands to include the new column. Is there any way have it rebuild those commands automatically?
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Jul 3, 2009
I have a gridview in which when I click edit, update, and cancel button comes. I have a variable named status. If status=false then update should change to insert and if status=true then update should be update itself.
<asp:TemplateField >
<ItemTemplate>
<asp:LinkButton ID="lnkEdit" runat="server" CommandName="Edit" Text="Edit">
</asp:LinkButton>
[code].....
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Jan 21, 2011
I am trying to re write a VB6 program using MS Access, many years ago, using VB 2010 express and SQL server 2008 R2 Express. I have a database with several tables, which I created using the designer. I am able to connect to the database and select data and display it in textboxes etc in vb code. What I have not been able to in code is to INSERT rows DELETE rows or UPDATE any data in the tables. I can do any of these operations using the Query Designer, but I want to do it in code. I can post some code if necessiary, but I thought it might just be some property that I had not set in the designer.
[Code]...
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Oct 21, 2010
I have a bindingsource question, didn't know if anyone had run into this before, but,there are several textboxes I put on a form, the text of each textbox is bound to a field in a table from the bindingsource. Why is it when I update the tableadapter, some of the fields update and some of them don't?
Example:
using the bindingsource
Textbox1.Text is bound to UnitListBindingSource - UnitNumber
[code].....
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Jan 16, 2012
I am currently working on a WPF/.Net project, In this project the user has the choice to change the the skinning of the app entirely, I am trying to write those settings after submission using configurations management, but I don't seem to be able to add the new values to the app.config file, here is my method underneath
[Code]...
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May 29, 2009
I am completly flummoxed!!! I have writen code for updating my table from a form but when I use the same code only changing the table names it wont work I get the following message: "Update requires a valid Update Command when passed DataRow collection with modified rows" My codes are as follows:
[Code]...
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