I'm a VB newbie in this respect so please be patient with me! I have an app that requires the user to input a bunch of values for various things in textboxes, datagridviews and propertygrids. I want this user input to be written to a text file in a specific format (say, on the click of a button, but dynamic writing wouldn't be so bad!)
View 3 Repliesi just write code for application, in which data is get by user and entered data is to print in a particular format?give me a code for vb.net button by which after click on it will print entered data?
View 1 RepliesIt has to be a simple line of code but I do not know how to construct it. Using VB 2010 Express, I have a MDI parent form and many child forms. I want the parent form to determine what child form is active and load data into the RichTextBox1 on the child form. Each Child form has a RichTextBox1. The parent form gets its data by loading a file.
I am close to a solution but just can't get there. You will see in the code below, if I make a direct reference to a specific child form, it works great. What I want to do is to use the Active Form function to determine which form to write to. I have looked at the MS tutorial which gets me close.
Private
Sub OpenToolStripMenuItem_Click(ByVal sender
As System.Object,
[Code].....
I have used following code to create and write the user input data to XML through Dataset. Hope it can be understood by looking the following code:[code]But the above code is not working. it is not writing the value in XML file.
View 8 RepliesI have a form called studentForm which has a studentCombobox, studentTextbox and a studentDatagridView In the constructor of the studentForm I need to bind studentCombobox to the StudentbindingSource of the main form and to bind studentDataGridView to appropriate binding source in the mainForm So that this datagrid view displays all the bookings for the studentID currently selected in studentComboBox
[Code]...
My first question has to do with the opening lines needed in a VB program in order to connect to Excel 2007 and read/write some data from/to it. I know the process only slightly and reading and writing to the cells is not my real concern for the moment. What I need to become familliar with are the lines like this:
CODE:
This is just one of the examples I have read through and to be honest I only follow this slightly. The trouble was that with each new article I read, people did this differently, not the variables on the left mind you, just that some left out lines, which I can see could be done based on circumstances. Still others said the Imports line was not needed....etc...and other loaded up at least 3 or four more Imports lines insisting all were needed.
I'm looking for some straight-forward advice on what is the minimum needed to access an existing Excel spreadhseet and to just read some of it's cells to variables in the code and then writed some data back to certain cells within the spreadsheet and then save and close it.
Also, please note that I am using VB 2010 Express. Why, because I'm a broke developer who spent most of last year out of work. I have a new contract assignment which is so far going well but will go even better if I can master this technique with VB.NET, not VBA. And all the docs I've read said that even though VB 2010 Express is a watered down version of VS, I should be able to do medium level tasks such as this with it.
I have been set the task of providing a small forms app to interact with Sage Line 50 Accounts database.
Before I get started though I wondered if anyone knew if you can use VB to retrieve and write data to and from the database and if so how? I read somewhere that it's ODBC?
I want to write the data from xml to access.[code]....
View 1 RepliesI want to write data into the file , but finding difficult in it. I can create the file this is my code. to write data in to the
[Code]....
Is it possible to write data on zip file...actually my application save lot of eml files in a folder and later I zip that folder through GZip but it takes lot of time if a folder is so big.so i which to write a data on file which is already zipI mean i want to write a eml files into folderName.zip fileSo my question is that is it possible that we open and write data in a zip file and close?
View 5 RepliesI am trying to write some data into a .txt file.
When I click on the button to create the file, it doesn't do anything. There are no errors, though.
[code]...
I have several Table Layout Panels with textboxes that is populated with data from an access database. Now I also want to be able to write into these textboxes and when clicking a button it should be updated to the same see a snapshoot of the code I have already for populating the textboxes. [code]...
View 3 RepliesI have a simple stop watch application. with start, stop and reset buttons. The timer is displayed in a text box.When I stop the timer I want to be able to write the timer figure to an excel spreadsheet. I need to have the following columns in the spreadsheet, No, Date, Time (Timer figure from app). obviously writing the data onto the next available row each time.
[Code]...
I have to write data from a listbox to a new file that a user can create. I can create and save a file no problem, but for some reason I can't write anything. I followed the textbook provided but when the file saves, I open it up and it is blank. I'm using fileWriter.WriteLine and I'm just test something basic to write to a file first and I can't do it[code]...
View 3 RepliesI need to write a couple of columns to a csv or possibly xls file. I cannot find any good tutorials on this.
View 2 Repliesthe way im connecting to database is different than any turtorial i found im using access and i need to write a ssn from a form to the database field.[code]
View 9 Repliesi have to create a xml file and write data
then i want to write things like
<?xml version="1.0" standalone="yes"?>
<main>
<Share>
[Code]....
How can i create this ? i want trying with data set but getting problem
I am having problems writing correct data to a file. I create a string of characters (approx 5000 bytes long). The string is a mixture of text characters and numbers converted to bytes. I then:
a) write the string to a readable text file
b) display the string contents to the console
c) write the string to a file - BDF.bin (I tried both IO.BinaryWriter and IO.StreamWriter but get the same error)
The byte pattern for the text readable file and the data displayed on the console match and for the most part , data bytes in the StreamWriter file are correct (first 4096 bytes are OK) but there are some extra bytes and some wrong bytes.Here is a comparison of byte patterns (hex values character written to the file) starting at byte 4096
Console: 45 44 52 31 00 00 00 00 01 00 00 00 90 01 00 00
Binary File: 45 44 52 31 00 00 00 00 01 00 00 00 C2 90 01 00
The byte patterns match, however in the binary file, there is an extra byte (C2).To display the console data, I read one character at a time from the string and display it using hex(asc(mid(string,i,1)))I view the binary data in the BDF.bin file using a hex editor program. I even tried 2 other hex editors and all showed the same byte info.
I need to create an excel file from scratch in VB.NET given a DataTable from asp.net. I can do this for a specific file, but I don't know how to do it for a general database. That is, where I use the "CREATE TABLE ..." I don't know how to tell it what types to use for the data in the table.
The DataTable is derived from a FoxPro database. (I don't know if that matters.)
I invoke the table similar to as follows:
<%
return_value = make_excel( sql_table, excel_filename)
%>
[Code].....
What I need to be able to do is run through the values in sqlTable above, check their type and then build the sql to write them.
How Can I load data into my datagrideview from xml file
View 8 RepliesHow can i convert hex data to binary data and write it to registry anyone ?
View 5 Repliesafter debugging when my listview is filled with data, there is this last column that is always empty for the user to write in it, so how can i make this column this way "like textboxes", i've tried some propreties but it doesnt work
View 1 RepliesI Have an existing pdf file with some editable fields like text boxes and text boxes, where i can enter data manually and save the file,
View 1 RepliesMy assignement is to create a simplistic checkbook organizer. The GUI is built, and the form is needing to call to a transactional class i have created. My problem is I dont know the right commands or syntax. I though I had it, but i'm getting an error.
Error: "Arguement not specified for parameter 'PreviousBalance' of 'Public Sub New (PreviousBalance as Double)'.
Here is my code so far for the form:
Private Sub btnAddTransaction_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddTransaction.Click
'declare user input variables in this GroupBox2
Dim TransactionAmount As Double
[code]....
This app is trying to send messages to a client listening on the port. The client's logs show that their port is being opened and closed, but no data coming in. Is there a bug or something missing in the following code, like perhaps stream.flush or stream.endwrite or a thread.sleep(0) line, that could cause this? The puzzling thing is, WireShark on the client computer does show the message my app is sending coming into the listening port.
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I need to know who to write data from several text boxes on a form to a sql database.I have created the sql database on a localhost using myphp admin, i have created the connection in a module named as dbconnect()i can try the connection and this connects fine, but unsure how to write the data from the texboxes to the database.
View 3 RepliesSo i am trying to write 2 txt box's data to a text file in my app.Im just curious on how can i make it so it will write this file within the folder it was installed?alsohow can i then take this data and loop through it to insert it into a listbox?
View 18 RepliesHow to write data From DataGridView to RichTextBox
View 9 RepliesI am trying to write Data in XML document using XMLTextWriter class in vb.net.
After writing data when i tried to open xml documents,
some special characters are replaced with different characters.
For Example Zrich was replaced with Zrich.
There is some problem with encoding while writing XMl document. [code]...
how to write data to an excel file. I've tried using StreamWriter but to no avail. When I write to the file all data ends up in the first column.
View 7 Replies