Import Fixed Width Text File Into Access2007 Table
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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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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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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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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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.
[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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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.
[Code]...
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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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Jul 8, 2009
How to delete a record or field from a fixed-width file in visual basic code?
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Feb 1, 2009
I need to import a big fixed width text data file into SQL server. Before importing, how to determine how many fields and records in the file?
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Aug 11, 2011
I want to try VB.net and i want to know if the forms in Access 2007 can be imported to VB.net?
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Aug 18, 2011
I'm using the following code to import data from a text file into an existing Access table:
Code:
Imports System.Data.OleDb
Public Class Carrega_CSV
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
The first time i ran the code, it caused no error but no records where loaded into the table. The second time it causes the OleDbException "Table 'TEMP' already exists." The text file is comma delimited and it has exactly the same number of columns of the TEMP table.
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Feb 15, 2008
I am trying to import tab delimited text file to access table. The below code WORKS very well for csv file. when I try the same for tab delimited text it it importing all the fields into one column of the access table and combining the header files as one column.
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Sep 28, 2009
I have a VB project that reads data from SQL as well as pulls data from other files into SQL. I need to import a text file into SQL table; there is no headers in the file and table in SQL is already exists. I found a code in Forum and slightly modified it, but I'm still missing something. I'm not sure how to specify that the text file is delimited with "|" character? Also - since there is no headers - not sure how to import it into correct columns? On the code below I'm getting "Insert" syntax error; on prior version of the code I was getting "field F1 doesn't exist".
[Code]...
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Aug 5, 2011
I have files that are one long line of text but are made up of individual segments. I have managed to parse the segments into a string array but now need to parse each segment into its individual fields, based upon a field structure defined by the first 2 characters of the segment.For example:
CA12345ABC999999XXPPPPPPPP55
CA segment (CA is first 2 characters of segment) has fields defined as:
Field Name,Start,Length
[code]....
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Aug 7, 2010
I found away to read a fixed position text file, but I encounter a problem, I know which field I want to go and check, how can I jump directly to the field I need. Readfields does not helps.for instance I need to check on field 3 and 7 of the row before the next row is read.[code]is this my best approach to read a fixed position text file?
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Nov 16, 2010
I want to set header column width for grid view. I tried HeaderStyle-Width="30px". But it is depending on Item columns. The column width is setting based on item value. But I want fixed width even if it has value or empty.
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Aug 1, 2011
I am trying to format a string of arbitrary length into a fixed width field for display.
Let's use a width of 20 as an example, and call the string to be formatted s. I'm adding the formatted string to a StringBuilder named b.
Dim b As New System.Text.StringBuilder()
Dim s as New String
If the string I want to display is shorter than 20 characters, I can do this:
b.Append(s.PadRight(20))
or
b.AppendFormat("{0,-20}", s)
So far, so good. But, if the string is longer than 20 characters, I want the string to be truncated to 20 characters as it is appended. The code above appends the entire string.
I tried this:
b.Append(s.Substring(0,20).PadRight(20))
But, this fires an exception if the string was shorter than 20 characters.
So, I ended up with:
b.Append(s.PadRight(20).Substring(0,20))
This seems to do the job. The PadRight prevents the exception by making sure thet string has 20 characters before the Substring is performed.
I was wondering if there is an alternate method that would look more elegant and avoid padding the string just so prevent the substring from causing an exception. Have I missed a feature of String.Format that can accomplish this in one step?
Edited to add solution:
I ended up with the following code:
Module Extensions
<Extension()> _
Function AppendFixed(ByVal b As StringBuilder, ByVal s As String, ByVal width As Integer) As StringBuilder
[Code]....
This uses an extension method to clean up the syntax, as suggested by Joel and Merlyn, and uses the StringBulider Append overloads to avoid creating new strings that will have to be garbage collected, as suggested by supercat.
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Aug 5, 2010
Is there a simple way (without measuring characters using a Graphics object) to check if a font is fixed-width?
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Nov 6, 2011
I'm trying to access 2 tables within the same DB in Access 2007, but I have a problem when saving information to one of the tables, I can do it with one table but when I try to save the information to the second table the data gets overwritten, not sure why, because I use the same procedure for both of them, just changing the variables to avoid mixed data, this is the code that I use to connect with the DB and fill the DataSet:
Try
dbProvider = "PROVIDER=Microsoft.ACE.OLEDB.12.0;"
dbSource = "Data Source=.\Almacen.accdb;Jet OleDB:Database Password=Slackware"
[code].....
Again, it works fine when saving info to one table, but using the exact same procedure (with different variables) saves the new data but overwrites the previous information
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Nov 10, 2011
I'm developing a Point Of Sale (POS) app in VB.NET and .NET Framework 3.5 where multiple items can bought at a time. I need to print all items: their code, name quantity, price in a row-column manner.
SHOP NAME date
========== =====
SL CODE NAME QTY PRICE
== ===== ===== === =====
[code]....
The width of page is fixed but the height will be dynamic.The printout will be printed on rolled paper normally used in a POS system.How can this be done?
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Aug 26, 2009
just say I have a string as follows:
This is a long long lojngoi sudofi usdfh ksjdhfjk sdhfgkj shgh sdfhg sdfg sdfgdsfg ... I want to specify a maximum width (eg 180) for my string and get the height returned... the picture below explains in more detail:
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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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Sep 30, 2009
I am having an issue with my code. When I debug, I find no errors. When I test the code, it doesn't import into the table. I have checked to make sure the file is in the proper location and that the connection string is correct to sql. Here is my code, can anyone offer some thoughts? My second question would be, once I get this to work, how do I code it to perform the same task but for 5 other files and 5 other tables? Tables are in the same db.
[Code]...
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Nov 4, 2009
I'm trying to import a tab delimited file into a table.The issue is, SOMETIMES, the file will include an awkward record that has two "null values" and causes my program to throw a "unexpected end of file".For example, each record will have 20 fields. But the last record will have only two fields (two null values), and hence, unexpected EOF.
Currently I'm using a StreamReader. I've tried counting the lines and telling bcp to stop reading before the "phantom nulls", but StreamReader gets an incorrect count of lines due to the "phantom nulls".I've tried the following code to get rid of all bogus code (code borrowed off the net). But it just replaces the fields with empty spaces (I'd like the result of no line left behind).
Public Sub RemoveBlankRowsFromCVSFile2(ByVal filepath As String)
If filepath = DBNull.Value.ToString() Or filepath.Length = 0 Then Throw New ArgumentNullException("filepath")
If (File.Exists(filepath) = False) Then Throw New FileNotFoundException("Could not find CSV file.", filepath)
[code]....
I've tried using SSIS, but it encounters the EOF unexpected error.
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Feb 2, 2011
how can i import .txt file or csv file into a sql database table using vb.net.
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Mar 28, 2011
I am getting a complex XML sheet which I intend to upload in SQL server table. I do not know how to do it? I am using visual basic.net 2008 and sql server 2008 R2. The XML file shown below has seven days weather forecast. I do not need some of information from this file like PRECIPITAION information.
I am not sure what is the procedure to parse XML and import it in SQL table.
I want following info out of it,
1) Weather Update Date & Time (common for all seven days)
2) Weather Date
3) Maximum Temperature
4) Minimum Temperature
5) Weather Type
6) Weather Image
XML file is given below,
<?xml version="1.0"?>
<dwml version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
[Code]....
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Jun 30, 2009
I am new to .net, I got a project in which i need to import dynamically excel file into sql table. Like user will select the excel file and the sql table, then all the columns from excel file and the fields from sql table comes on the form, then user will select which column need to go to which table colums.
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Feb 4, 2009
currently using VB 2008 and access 2003 , I want to import an excel file to a data table.
how top go ahead and try and start with this kind of thing. Thats y i coudnt even give you the sample code to correct.
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