Create A Fixed Text File From SQL DB Table?
Oct 28, 2009
Sources of Assistance: [URL]..Create A Fixed Text File From SQL DB Table I am using VS2005 and would like to add script to my aspx page to Output a Fixed Text File From my SQL DB Table to a location on the network. I did this in VB6 using a FREEFILE and PADSTRING off of an Access DB table. However, I can't seem to get it right in the .NET aspx environment. Can someone assist me with this? I have added the VB6 script that is working now and the .NET aspx vb script that I'm trying to move it to.
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May 7, 2011
I am trying to load a text file into an Access 2007 table. I know you can read the file line by line and then create a record out of each line. i was trying to see if this could be done with an INSERT INTO rather than cyclying through all lines of text. My text file is not character delimited but rather by fixed column width. For example:[code]The data in the example has spaces for readability but in reality the data are clumped together like so [code]I cant figure out how to tell the command how the data is structured. I know you can use a schema file but there's got to be a way to do this all through code.
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Nov 16, 2009
I have a Fixed Text File and i need to import data from this Text file to my Database I am Using VB2008 and SQL Server2000 This is a sample of my Text File
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Jan 6, 2010
what do you think would be the best way to load a fixed length text file into ms access? this is how i would normally do it if it was comma delimitted:
sql.CommandText = "SELECT * INTO [tblMailList] FROM [Text;DATABASE=" & FilePath & ";HDR=NO].[" & FileName & "]"
sql.ExecuteNonQuery()
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Aug 25, 2010
I am learning to use TextFieldParser to read a fixed width text data file. It works great. I copied code below. Question: How to stop at the end of each line because I need to add some code?
Using tf As New TextFieldParser(fileName)
tf.TextFieldType = FileIO.FieldType.FixedWidth
tf.SetFieldWidths(60, 30, 20) //three columns
[Code].....
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May 23, 2007
I am using ms-access 2002. I have to export the data of a ms-access table in Fixed Width format. To accomplish this I am using DoCmd.TransferText method.
DoCmd.TransferText acExportFixed, "schema.ini", "table_ABC", "C: estingTestData.txt"
But I am getting error message: "Run time error-3625 The text file specification 'schema.ini' does not exist.You cannot import, export, or link using the specification."
Here schema.ini is at same location as of text file. i.e. "C: esting"
I tried with
DoCmd.TransferText acExportFixed, "C: estingschema.ini", "table_ABC", C: estingTestData.txt"
but no success.
For delimited format it is working fine
DoCmd.TransferText acExportDelim, "", "VDMMEMBS", "C: estingTestData.txt"
I have gone through the link [URL]
Error message is same as of me but example shown is related to import of txt file.
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Dec 4, 2009
How can I create a fixed row in my DataGridView. I am populating the grid in code row by row.
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Mar 6, 2012
I am trying to create and initialize an array of structures of a fixed size. Each struct will be populated when a button is clicked. Here is an example of my struct:
public structure buttonStruct
dim x() as Boolean
dim y() as Boolean
[code]....
In my form_load function I am declaring the array of structs and:
Dim BtnStruct(15) As ButtonStruct
BtnStruct(0).Initialize()
[code]....
Whenever a specific button is clicked, I am trying to collect data and store it in the respective struct and so for example, if button 1 is clicked then I will store the data associated with button 1 into BtnStruct(0). The position of the button is stored in a public variable called BtnNum. If I attempt to store information in the struct inside another function as follows, I receive an error
BtnStruct(BtnNum).x(pos - 1) = temp "btnstruct is not declared. it may not be inaccessible due to its protection level"
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Dec 2, 2011
I have a requirement to create multiple fixed length files so that I can use the files for testing in another application. The following code causes an error when run.
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Sep 29, 2009
How do I create a RTF table and place text into a field. This is the RTF syntax for 1 Column and 3 Rows
[Code]...
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Nov 3, 2009
I want to create a text file or see if a text file exists when application starts. The problem I was having was after creating the text file, I tried to write to text file and got an error saying that another process was using it.
Dim test As String = My.Computer.FileSystem.SpecialDirectories.MyDocuments & " est1.txt"
If System.IO.File.Exists(test) Then
MsgBox("File Loaded")
Else
[code]....
I looked up topics on filestream, but am unsure if this is how to use it. Is my code ok? Is there another way to create a text file?
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Nov 22, 2009
How do I display a large amount of fixed text (about 400 words) in a form. I also need to have scroll down bars.[code]...
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Jun 22, 2011
I need to write some fixed-width font (i.e Courier New or Consolas) text to a .net Winforms window in the Paint event - not using a label or any other winforms control - rather using a graphics object method to render the text onto the form's client area. I am having difficulty aligning text on different lines under headings even though it is fixed width font. How can I get a precise measurement of the width of a single character in the fixed-width font? How can I get 2 lines to print out aligned horizontally in successive text out calls?
For example:
Heading 1 Heading 2
Short Other text
A bit longer Still aligned?
I need a separate call to render each cell of text under Heading 2. For argument's sake - let's say column 1 items are printed in black and column 2 are printed in blue - we can't use the same text out call for the entire line.
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Jul 12, 2011
In Excel under Data Tab-Text to Columns-Fixed Width- and when next is pressed we get preview of Selected Data.
There a Scale is being designed(10, 20, ...). Is there any way in VB.net to do that scale or any other form of Implementation.
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Jan 16, 2008
I wont to be able to check if a table exist, if not i wont to create it...
This is the code i use for connecting...
Code Block
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Apr 24, 2009
I am woking on an application in which records of a table are stored in another table. In case of duplicate records they will not wriiten to the table and they should be written in a log file.
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Sep 2, 2009
I have a very large text file about 4 million lines that I would like to separate into several small text files based on the strings contained in the first column of the text file. I want to open the large text file, choose the lines that apply, create a new text file with a name that has a number at the end of which will match up with the value in the first column of the text file. I want to then copy the applicable lines to the new small text file, save and close it. I'm not sure how to go about doing this after opening the large text file and using the readline method. What if the folder does not exist? Do we have to create it? I want this procedure to be general, as there could be up to 25 million lines in the text file.
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May 22, 2009
I am trying to create a log file which I am going to use to populate some controls (DataGridView or Treeview). I am trying to figure out if should use text files or XML files to do so. Effectively the log will highlight multiple phases in a client-side app. The log will be written to at various phases when the project is running. The user will always have the options move on to the next phase or save progress and exit the project. As such, I want the log file to highlight how far the user has progressed throught the various phases AND I want the log to highlight varous information from each phase. Whenever the user starts the project, they will be given the option to load existing log files. So the project will have to read these log files and append them where necessary as the user progresses.
I am not sure what the best way to do this is and below is a rudimentary approach using text files. As you can see, the top of the file would have a summary of all the phases and whether or not the user completed each phase. Next each phase would have a data section highlighting what data was stored along the way. I have used a ":" to denote each section. Then within each section I would obviously need to use a delimeter for all my data. So if Phase1 = True, then I would load all the pertinent data from "Phase1:" into the desired control. Can anyone provide an efficient way of doing this and provide some insight as to whether I should use XML instead. The phases my change during development and I am not sure yet which controls I will be using. Does XML provide more flexibility.
In summary I am looking to create, read/write and append log files and populate controls with the data in varous sections of the log file. Example:
Phase1 = True
Phase2 = True
Phase3 = False
Phase4 = False
[code]....
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May 6, 2009
I am aware that this is a visual basic dot net post. However It was extremely simple for me to write out a file in VB6 using lines such as the following snippet
[Code]...
I want basically to export an array A (I used zero based array here) with three columns and a particular value B in fixed widths, hence the @@@@@ which means 5 spaces in to a text file defined by the FreeFNum (FreeFileNumber).
I would like to use CSV and all the other formats but some scientific programs written in FORTRAN may not support them. Anyway my file output here needs to be in this fixed width format because it will be used by proprietary software that I have no access to the source code.
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Dec 7, 2005
I've a text file which has some data written. Records have Starting character as "#2" and Ending character as "#3" in ASCII respectively and the file includes series of records, but not written as Line by Line. The difficulty I'm having is, to how to transfer those data's into a database. The File comes a 7mb file and looping character by character then noting down the Record Starting Character and Record ending Character, and finally substring them is not feasible as it take more time and makes the computer slower. I would like to know is there any easy way to transfer them?
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Jun 18, 2010
I'm using vb6 to read lines of txt files, using the code posted in ream.In.Code "Reading a Text file Line by Line". My question is how can I real a line with fixed column width, for example:
qwerty 12345 asdfg
asd 455 hfgdf
qhjkrty 1235 asdfg
The objective is to read each part of the row. In Visual Studio 2010 Beta version the code I present below that is actually working but it doesn't work in VB6.
Using Reader As New Microsoft.VisualBasic.FileIO.TextFieldParser("C:\teste.txt")Reader.TextFieldType = Microsoft.VisualBasic.FileIO.FieldType.FixedWidthReader.SetFieldWidths(8, 30, 25, 45, 57)
[code].....
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May 8, 2012
I'm parsing fixed length file with .NET 3.5 and Regex. This file is from bank. In customer name sometimes there is one characters from this set &,(),[],',"". These are characters, so far I've encountered. There can be anything else. Because of this my regex is failing. My regex is [A-Za-z0-9s-.,'""""(){}[]]{35}. Is there any wild card I can use for special chars rather than specifying individually. I also tried . but didn't work.
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May 2, 2012
i am trying to import a fixed length text file into an access database (accdb). I already have the table created but it doesn't have to be that way. i am wondering if i know the field lengths, can i a use a SELECT INTO query to get the data into access. or do i need a schema file?
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Feb 9, 2010
I am trying to write a program that will use a Structure with <VBFixedString(4), VBFixedArray(10)> Public Test1() As String. Back in vb6 it was in the Type statement as Test1(10) as string *4 When I hit the line ".Test1(X) = TB1" i get the following error:
Object reference not set to an instance of an object.
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Mar 25, 2009
For a school program, I was assigned to use a .dat file to store and edit information while using VB to be it's front end( to appear in a listbox). I was also given what field length to use per field. I never worked with .dat files, so I have a few questions (all the google-ing Ive done say the same thing: every .dat file is different so you can't play around with them):
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Jul 12, 2011
so i have a file that i need to read in vb.net. Each line is 32 chars long and each line consists of multiple fields. Meaning from char 1 to 9 it idicates ID then char 10 indicates an identifier,11-14 indicates a value field. I've looked at Readblock and it's not the tool for the job. Is there a way to break up each line into its respective fields other than just reading the whole line and breaking it up as a string?
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Jul 8, 2009
How to delete a record or field from a fixed-width file in visual basic code?
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Feb 13, 2012
I am using VB .Net to access the eBay API and store all completed orders in a database. This database is then fed into a proprietary shipping system, which can not handle an order number larger than 20 characters. eBay returns an order number like so 230407279314-680141236013 which is too long. The order number is always 12 numbers a hyphen and 12 more numbers. What I need to do, is turn this (the result can be alpha numerical) into a shorter, unique order key to store in my database alongside the true orderId (so that this can be referenced by the shipping software instead of the actual order number). The reason for the 20 character limit is the barcode algorithm used. Is there any way to achieve this in VB .Net 2010? This number can be anything unique, so long as it does not exist already (even a good uniqueid function would work, but I would have to query the database to make sure it isn't taken)
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Feb 8, 2012
I want to create a file removal which revieve directory files to delete from a text file..[code]
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Jan 10, 2012
I have written the following code to export an MS access table into a text file.
Dim conn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Test est.mdb")
Dim cmd As OleDbCommand
[Code]....
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