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Writing to a CSV file

Hello,

I have a small application that I need to save data from 7 text boxes in to
a csv file. This will entail btnNext_Click function that will create a new
csv file and enter the 7 data fields in the csv file; as well, each click on
next will return carriage to a new line.

Client does not what his data in an Access database(he hates Access with a
passion)--he feels more comfortable with Excel. This data will be no greater
than 1000 lines per use.
TIA

Aaron
Nov 16 '05 #1
10 52155
guy
Hello!
you didn't ask any question, you just wrote what your application is doing.
if you want answer write your problem
guy

"Aaron" wrote:
Hello,

I have a small application that I need to save data from 7 text boxes in to
a csv file. This will entail btnNext_Click function that will create a new
csv file and enter the 7 data fields in the csv file; as well, each click on
next will return carriage to a new line.

Client does not what his data in an Access database(he hates Access with a
passion)--he feels more comfortable with Excel. This data will be no greater
than 1000 lines per use.
TIA

Aaron

Nov 16 '05 #2
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form
that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on
each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
Hello!
you didn't ask any question, you just wrote what your application is doing. if you want answer write your problem
guy

"Aaron" wrote:
Hello,

I have a small application that I need to save data from 7 text boxes in to a csv file. This will entail btnNext_Click function that will create a new csv file and enter the 7 data fields in the csv file; as well, each click on next will return carriage to a new line.

Client does not what his data in an Access database(he hates Access with a passion)--he feels more comfortable with Excel. This data will be no greater than 1000 lines per use.
TIA

Aaron

Nov 16 '05 #3
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but
rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form
that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on
each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
Hello!
you didn't ask any question, you just wrote what your application is doing.
if you want answer write your problem
guy

"Aaron" wrote:
Hello,

I have a small application that I need to save data from 7 text boxes
in to a csv file. This will entail btnNext_Click function that will create a new csv file and enter the 7 data fields in the csv file; as well, each click on next will return carriage to a new line.

Client does not what his data in an Access database(he hates Access
with
a passion)--he feels more comfortable with Excel. This data will be no greater than 1000 lines per use.
TIA

Aaron


Nov 16 '05 #4
Hi,

This is not a good solution, what if some of the values have commas ? they
will be interpreted as field separator.

Take a look at the opennetcf.org data provider, it does implement it and is
a proven solution.

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation


"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
Hello!
you didn't ask any question, you just wrote what your application is doing.
if you want answer write your problem
guy

"Aaron" wrote:

> Hello,
>
> I have a small application that I need to save data from 7 text
boxes in
to
> a csv file. This will entail btnNext_Click function that will create

a new
> csv file and enter the 7 data fields in the csv file; as well, each

click on
> next will return carriage to a new line.
>
> Client does not what his data in an Access database(he hates Access

with
a
> passion)--he feels more comfortable with Excel. This data will be no

greater
> than 1000 lines per use.
>
>
> TIA
>
> Aaron
>
>
>



Nov 16 '05 #5
Ignacio,

Thanks.

Aaron

"Ignacio Machin ( .NET/ C# MVP )" <ignacio.mach in AT dot.state.fl.us > wrote
in message news:%2******** ********@TK2MSF TNGP09.phx.gbl. ..
Hi,

This is not a good solution, what if some of the values have commas ? they will be interpreted as field separator.

Take a look at the opennetcf.org data provider, it does implement it and is a proven solution.

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation


"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but
rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
> Hello!
> you didn't ask any question, you just wrote what your application is
doing.
> if you want answer write your problem
> guy
>
> "Aaron" wrote:
>
> > Hello,
> >
> > I have a small application that I need to save data from 7 text boxes
in
to
> > a csv file. This will entail btnNext_Click function that will create a new
> > csv file and enter the 7 data fields in the csv file; as well,
each click on
> > next will return carriage to a new line.
> >
> > Client does not what his data in an Access database(he hates Access with
a
> > passion)--he feels more comfortable with Excel. This data will be

no greater
> > than 1000 lines per use.
> >
> >
> > TIA
> >
> > Aaron
> >
> >
> >



Nov 16 '05 #6
Dennis,

Thanks.

Aaron
"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
Hello!
you didn't ask any question, you just wrote what your application is doing.
if you want answer write your problem
guy

"Aaron" wrote:

> Hello,
>
> I have a small application that I need to save data from 7 text
boxes in
to
> a csv file. This will entail btnNext_Click function that will create

a new
> csv file and enter the 7 data fields in the csv file; as well, each

click on
> next will return carriage to a new line.
>
> Client does not what his data in an Access database(he hates Access

with
a
> passion)--he feels more comfortable with Excel. This data will be no

greater
> than 1000 lines per use.
>
>
> TIA
>
> Aaron
>
>
>



Nov 16 '05 #7
Close.... oh so close...
two problems:
(1) the posted code fails to place commas between the values
(2) the posted code fails to quote the strings (since these are copied from
text boxes without type checking, the values may contain all kinds of
things).

here's a slightly better way. However, this will fail if the text boxes
contain a double-quote character (").

public void AppendLineToCSV ()
{
using (StreamWriter sw = new StreamWriter(fi lename, true))
{

sw.WriteLine("/"{0}/",/"{1}/",/"{2}/",/"{3}/",/"{4}/",/"{5}/",/"{6}/"",
textBox1.Text, textBox2.Text, textBox3.Text, textBox4.Text,
textBox5.Text, textBox6.Text, textBox7.Text);
}
}

Note: your customer will probably also want the ability to read from the
list of items in the file and rewrite particular items, so this solution is
partial at best. You are going to want to manage a collection of "rows"
where each row contains your seven columns. Then, simply write out all of
the rows in the collection when it comes time to save the data to a file.

This isn't really Excel format. CSV is a comma-delimited format that Excel
is comfortable reading for data transfer, but it cannot handle formulas or
formatted text or other features of excel at all...

Note: if your user will be modifying the data using Excel, you will need to
validate it when you open a file, to make sure that he hasn't changed it in
some way that makes it "less useful" to your application (like changing a
data type, or adding a blank line, etc).

Good Luck, I hope this helps,
--- Nick

"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
Hello!
you didn't ask any question, you just wrote what your application is doing.
if you want answer write your problem
guy

"Aaron" wrote:

> Hello,
>
> I have a small application that I need to save data from 7 text
boxes in
to
> a csv file. This will entail btnNext_Click function that will create

a new
> csv file and enter the 7 data fields in the csv file; as well, each

click on
> next will return carriage to a new line.
>
> Client does not what his data in an Access database(he hates Access

with
a
> passion)--he feels more comfortable with Excel. This data will be no

greater
> than 1000 lines per use.
>
>
> TIA
>
> Aaron
>
>
>



Nov 16 '05 #8
Nick,

Thanks for the information. For the commas and qoutes in the textboxes that
is not ever going to be the case.
This is a data entry form, there will not be any data modification or
validation at this point of the process(dont ask).

Managing the "rows"?, What would that entail, a datagrid?

TIA

Aaron

"Nick Malik" <ni*******@hotm ail.nospam.com> wrote in message
news:xlHYc.2071 07$8_6.61538@at tbi_s04...
Close.... oh so close...
two problems:
(1) the posted code fails to place commas between the values
(2) the posted code fails to quote the strings (since these are copied from text boxes without type checking, the values may contain all kinds of
things).

here's a slightly better way. However, this will fail if the text boxes
contain a double-quote character (").

public void AppendLineToCSV ()
{
using (StreamWriter sw = new StreamWriter(fi lename, true))
{

sw.WriteLine("/"{0}/",/"{1}/",/"{2}/",/"{3}/",/"{4}/",/"{5}/",/"{6}/"",
textBox1.Text, textBox2.Text, textBox3.Text, textBox4.Text, textBox5.Text, textBox6.Text, textBox7.Text);
}
}

Note: your customer will probably also want the ability to read from the
list of items in the file and rewrite particular items, so this solution is partial at best. You are going to want to manage a collection of "rows"
where each row contains your seven columns. Then, simply write out all of
the rows in the collection when it comes time to save the data to a file.

This isn't really Excel format. CSV is a comma-delimited format that Excel is comfortable reading for data transfer, but it cannot handle formulas or
formatted text or other features of excel at all...

Note: if your user will be modifying the data using Excel, you will need to validate it when you open a file, to make sure that he hasn't changed it in some way that makes it "less useful" to your application (like changing a
data type, or adding a blank line, etc).

Good Luck, I hope this helps,
--- Nick

"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next button,but
rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
guy,

Sorry

I want to know how too do the following
1) create a .csv file--there will be a single text box on top of the form that would have the name of the file.
2) format the line of data from the 7 text boxes then carriage return on each time btnNext is clicked.

tia

Aaron
"guy" <gu*@discussion s.microsoft.com > wrote in message
news:16******** *************** ***********@mic rosoft.com...
> Hello!
> you didn't ask any question, you just wrote what your application is
doing.
> if you want answer write your problem
> guy
>
> "Aaron" wrote:
>
> > Hello,
> >
> > I have a small application that I need to save data from 7 text boxes
in
to
> > a csv file. This will entail btnNext_Click function that will create a new
> > csv file and enter the 7 data fields in the csv file; as well,
each click on
> > next will return carriage to a new line.
> >
> > Client does not what his data in an Access database(he hates Access with
a
> > passion)--he feels more comfortable with Excel. This data will be

no greater
> > than 1000 lines per use.
> >
> >
> > TIA
> >
> > Aaron
> >
> >
> >



Nov 16 '05 #9
Hi Aaron,

I'm not particularly fond of datagrids most of the time, although you could
make a case for it.

No. I'm thinking ahead, to what you didn't say:
If the user has the ability to add a row to a CSV file, and the user hates
Access, then the user may want to be able to:
1) view the contents of one or more existing rows
2) edit an existing row
3) delete an existing row

In this case, you don't have one row. You have a list or collection of
rows. each row has seven column values.

Given the small number of total rows, I'm assuming you could do this with a
simple arraylist collection where each element is a simple string array.
Not the most efficient structure, but it sounds like this is a simple GUI,
so squeaking a few milliseconds out of the time needed to press a button
doesn't really drive the design.

Good Luck,
---- Nick
"Aaron" <wu****@hotmail .com> wrote in message
news:ee******** *****@TK2MSFTNG P12.phx.gbl...
Nick,

Thanks for the information. For the commas and qoutes in the textboxes that is not ever going to be the case.
This is a data entry form, there will not be any data modification or
validation at this point of the process(dont ask).

Managing the "rows"?, What would that entail, a datagrid?

TIA

Aaron

"Nick Malik" <ni*******@hotm ail.nospam.com> wrote in message
news:xlHYc.2071 07$8_6.61538@at tbi_s04...
Close.... oh so close...
two problems:
(1) the posted code fails to place commas between the values
(2) the posted code fails to quote the strings (since these are copied from
text boxes without type checking, the values may contain all kinds of
things).

here's a slightly better way. However, this will fail if the text boxes
contain a double-quote character (").

public void AppendLineToCSV ()
{
using (StreamWriter sw = new StreamWriter(fi lename, true))
{

sw.WriteLine("/"{0}/",/"{1}/",/"{2}/",/"{3}/",/"{4}/",/"{5}/",/"{6}/"",
textBox1.Text, textBox2.Text, textBox3.Text,

textBox4.Text,
textBox5.Text, textBox6.Text, textBox7.Text);
}
}

Note: your customer will probably also want the ability to read from the
list of items in the file and rewrite particular items, so this solution

is
partial at best. You are going to want to manage a collection of "rows"
where each row contains your seven columns. Then, simply write out all of
the rows in the collection when it comes time to save the data to a file.
This isn't really Excel format. CSV is a comma-delimited format that

Excel
is comfortable reading for data transfer, but it cannot handle formulas or formatted text or other features of excel at all...

Note: if your user will be modifying the data using Excel, you will need

to
validate it when you open a file, to make sure that he hasn't changed it

in
some way that makes it "less useful" to your application (like changing a data type, or adding a blank line, etc).

Good Luck, I hope this helps,
--- Nick

"Dennis Myrén" <de****@oslokb. no> wrote in message
news:Xr******** **********@news 2.e.nsc.no...
protected void btnNext_Click ( object sender, EventArgs e )
{
StreamWriter sw = new StreamWriter(fi lename, true);
sw.WriteLine(st ring.Concat
( textBox1.Text
, textBox2.Text
, textBox3.Text
, textBox4.Text
, textBox5.Text
, textBox6.Text
, textBox7.Text ));
sw.Close();
}

But maybe use the StreamWriter in a module global scope,
if you want to avoid opening the file for each click on the Next

button,but
rather initialize
it once and close it once.

--
Regards,
Dennis JD Myrén
Oslo Kodebureau
"Aaron" <wu****@hotmail .com> wrote in message
news:em******** *****@TK2MSFTNG P12.phx.gbl...
> guy,
>
> Sorry
>
> I want to know how too do the following
> 1) create a .csv file--there will be a single text box on top of the
form
> that would have the name of the file.
> 2) format the line of data from the 7 text boxes then carriage
return on
> each time btnNext is clicked.
>
> tia
>
> Aaron
>
>
> "guy" <gu*@discussion s.microsoft.com > wrote in message
> news:16******** *************** ***********@mic rosoft.com...
> > Hello!
> > you didn't ask any question, you just wrote what your application

is > doing.
> > if you want answer write your problem
> > guy
> >
> > "Aaron" wrote:
> >
> > > Hello,
> > >
> > > I have a small application that I need to save data from 7 text

boxes
in
> to
> > > a csv file. This will entail btnNext_Click function that will

create
a
> new
> > > csv file and enter the 7 data fields in the csv file; as well,

each > click on
> > > next will return carriage to a new line.
> > >
> > > Client does not what his data in an Access database(he hates Access with
> a
> > > passion)--he feels more comfortable with Excel. This data will
be no > greater
> > > than 1000 lines per use.
> > >
> > >
> > > TIA
> > >
> > > Aaron
> > >
> > >
> > >
>
>



Nov 16 '05 #10

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Hi I am working with a VB 2005 program which has been converted from VB6. It writes data out to a flat file, with code like the following line WriteLine(riFileNo, "Hist", lsAssetID, lsRecordType, lsXNbr, lsFiscYr, "Beg", CStr(H.BegBalAccDepn), CStr(H.BegBalCost), CStr(H.BegBalCostReval), CStr(H.BegBalDepCost), CStr(H.BegBalDepnReval)) The program is running from within a Virtual PC
0
10374
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...
0
10114
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
1
7651
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms. Adolph will...
0
6880
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
0
5548
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
0
5686
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
1
4331
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
2
3859
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
3
3011
bsmnconsultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...

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