Way To Handle Spreadsheet Style Data Entery In Application
Apr 13, 2009
I am new to Viisual Basic 2008 and looking for some help or suggestions on what is the best way to handle a spreadsheet style data entery in an application.What is the best way to have data entry on a form that is in the style of a spreadsheet?I have tried it with the Gridview but I do not care for the interface style.I would like to be able to multiple columns under one heading, allow for tabbing from entry field to entry field on a row and have the ability to sort by different columns,to allow for calculations by fiedls in a row (havoing multiple calculations, etc.Is there something in VB 2005/2008 that will allow that or is there a third party add-on that is recommended.
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Mar 23, 2011
how i can change the native scrollbar style in my application to my custom style. I can adopt a custom scrollbar to attain this purpose but this will not serve my purpose because i want this attribute in entire application. Like it the text in textbox gets longer than its bounds than the scrollbar appers are my custom bar not the formal ones
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Oct 6, 2010
I've decided to build wizard style library to handle many wizards and make it more simple to work with. The difficulty is that next step window changes depending on user selection on current form with a lot of controls in each of them. After long time thinking I think best would be to recreate similar to TabControl and TabPage controls and instead tabs would be a in-built command Next, Previous and Finish buttons as default in TabPage control. I've tried something to create similar but with no success yet.
[Code]...
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Feb 22, 2012
I would like to set a style for an MDI WinForms application in .NET (mix of C# and VB.NET). I would like all panels and forms to be of a certain color. I would like textboxes to be of a certain color when readonly and of a different color when NOT readonly. I don't want to use defaults. Any pointers on how I can make this GLOBAL for any Form that is developed for this application? Am looking for a way so I don't have to do this logic in every form I create.
PREFERABLY: Don't want to switch to using any third-party tools. Would like to stick with just WinForms and standard .NET libraries.
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Nov 11, 2011
I have a VB.Net program that reads in a flat file, and then parses line by line, formatting the data into different spreadsheets in an excel workbook (each line can be any 10+ different record types so I parse and put in appropriate excel sheet).
For smaller sized flat files (under 10mb), the parser works great. However, I am trying this on a file that is over 120mb (400k+ lines). While running, I will get an OleDBException saying that the spreadsheet is full. Now I am pretty confident that Excel can handle a much larger data set than a flat file. So I assume this exception is not giving me the true story as to what is really occuring.
I open a connection, and then parse each line in the file, inserting each row into the excel file. I assumed it would be bad performance wise to open/close the connection between each insert. Could this be causing the issue? Any ideas what I need to do to handle such a large file? There are cases where the flat file can be over 500mb.
To actually do the insert into excel, I am just doing the following (I construct an sql query based on the type of row and values parsed):
Dim conn As New OleDbConnection()
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExportLocation.Text + "" + importFileName + "-PVF.xls;Extended Properties=""Excel 8.0;HDR=YES"""
[Code]....
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Jul 15, 2010
My application reads information from an Excel spreadsheet into a DataSet (ds1) which is then filtered into another DataSet (ds2) based on user-specified criteria. The information is basically telephone call logs that reflects when a phone call was made,what extension it was made one, how long the call was, what number was called, etc.When the user's "search" criteria is matched in ds1 above, the application adds the number called to a ListBox on the form. When the ListBox Item is selected, additional information (call duration and such) is displayed to the right of the ListBox. My problem is that a single phone number could have been called multiple times on an extension within the date range the user specifies and for each occurrence of that number in the ListBox, the "expanded" info only reflects the information for the 1st call to that number listed in the DataSet.
The only unique identifier I have is the DateTime field for the row (as this goes up to the second). I thought about putting it into the ListBox item, but I'd prefer that this date not be visible until the user selects the ListBox item to view the details for that call. [code]
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Aug 31, 2011
I have a spreadsheet in excel with three headers:
Project Name The name of a project i'm working on.
Requested Role The job title/profession of the project employee. (example: mechanic, manager, engineer)
The name of the employee.When i click on the Person's name i want another page or tab (specific to this person) to appear showing details about them such as their name, job title, how long they worked, what project they are doing... etc. (similar to a Facebook profile)
When i click on the project name i want another page or tab (specific to this project) to appear showing details about it such as the requirements, the deadline, who is currently working on it... etc.
Furthermore, i would like to set up two levels of access:For the specific pages i was thinking of using the tab control but i want it so that i can search through the list of projects or names, select one, and then it brings up the page about it.The levels of access is the least of my worries.
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Oct 28, 2009
I have to write an application in Visual Basic.Net that will open an excel file, run through the contents an export a test file for processing.
The application works great for me (Windows 7) but when transferred to a WinXP PC gives the following error: HResult 0X800A03EC
I can replicate this error by making the Excel Application visible so it seems like it is an issue where it can't access the file because it is open. Error occurrs when trying open the workbook.
Original Code
Dim excel As Excel.Application
Dim wb As Excel.Workbook
[Code].....
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Feb 6, 2012
So I'm a little rusty on my VB.NET skills, but I decided to take up a project to get me working in it again. Problem is I've hit a slight road block and I was hoping someone here might be able to point me in the right direction.I have a spreadsheet (or 3, but they could be combined if that makes it easier) that contain interest rates. I need my program to use user-input to select which interest rate it needs and then calculate and output the grand total, without the end user ever seeing or even being aware of the interest rate table.
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Jun 6, 2009
What I was wondering is if I had a ListView1 with 1 row and 5 subitems, could I export that whole row into an Microsoft Office Excel spreadsheet, by defining in which Excell row/column I want to add each subitem into?
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Dec 24, 2009
So I need to create a windows form that is able to generate reports by querying a SQL Database or SQL Server. There is data in the databases that will be put into an excel file from whatever columns from a specific table I need. I need it to be a dynamic query that is probably hard coded into the application because I might need to write other queries at some point to generate different reports that need different columns.
What I need is somewhere to start or some code that I can look at because im not very familiar when it comes to vb.net/excel. I need code to get all that data from the database and put it neatly in an excel file and I would like to specify what columns in the excel file all the data goes under.
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Jan 28, 2011
I am trying to import data from an excel file but the spreadsheet name is causing problem. If I use 'Sheet1' as the name of the spreadsheet from which I want data, then it works fine but I want to change the name of the spreadsheet to the name which has spaces like 'PROJECT SHEET'. Please guide
Dim ExcelFile As String = "C:ProjectFile.xlsx"
Dim myDatabasePath as string = "C:ProjectsDatabase.mdb"
Dim excelConnectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + ExcelFile + ";Extended Properties=""Excel 12.0 Xml;HRD=NO"""
Dim excelConnection As New OleDbConnection(excelConnectionString)
excelConnection.Open()
[Code]...
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Jun 22, 2010
I am reading data from an excel spreadsheet. The column data which i am reading from my spreadsheet reads as follows:
integer
integer
integer
var char
integer
[Code]...
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Sep 10, 2009
I am trying to write data to an excel spreadsheet. Simply just todays date and the value of textbox1. I can successfully write it to excel, but how do I get it so each time the application runs it writes the data to the next available row?? I know there must be some loop involved but am having trouble with the coding..
this is what I have so far.
[code]
Imports Microsoft.Office.Interop
Imports System.IO
Imports Excel
[Code].....
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Dec 22, 2010
I am making an application that will be used to communicate with others like a shut box but not a chat box so like one or two people can post up something in this application and other users can then see this message.
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Aug 18, 2011
I'm not trying to do ASP.NET using VB.NET applications on the desktop. I want to create a desktop application that the user can enter information and retrieve information form a interface that is styled by html, css and java script. I'm NOT trying to interact with a web page at all, i simply want to make the desktop app look and act like a web app because a similar application will be available on the web this will just be like an offline version of it.
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Jun 7, 2011
I have already asked about the problem in java forum.Now i think the solution is only possible through microsoft products.Problem is i want to get the handle of a application and send commands to that application.Is it possible commands are send to combo box , text area, buttons etc..
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May 12, 2010
how to display the data in an excel spreadsheet in a DataGridView?
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Dec 6, 2009
I am writing a windows application that interacts with data stored in an Excel Spreadsheet. I merely want to change the text value of a cell that already has text written in it.
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Jan 12, 2012
I am trying to export table data to an excel spreadsheet.It would be beneficial to have filtering pull-downs in the spreadsheet.I would be will to purchase any software tools to make this task easier. Otherwise are there some tutorials for accomplishing this?
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Jun 19, 2012
I'm currently trying to import data from an Excel document to a list in Visual Basic 2010 Express. The Idea is to have the data easily modifiable by the users. I have looked quite a bit online and all of the examples seem to reference either an "Imports Microsoft.Office.Interop.Excel" or "Imports Excel". When I try to use the I get "(no correction suggestions)".
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Nov 22, 2010
I have created I hope a sequence of steps that reads data from an excel spreadsheet into my VB app..specifically into a checkedlistbox. I would also like to do this in reverse IE Copy values from a checkedbox list back into a new worksheet?
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Oct 8, 2010
I am new to VB.NET. How to import data from excel spread sheet into database (SQL Server Management Studio Express 2005) by clicking a button in windows form application using VB codes (visual studio 2010).
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Apr 21, 2009
I have an project which was written in VB6 and made use of the Spread3.0 component to display multiple large data from database in spreadsheet. My objective is to convert this project into a VB.NET current version which would not use the third party component but can possibly use a freeware that does similar if not all the functionality.
My question is, are there any freeware that is available in .NET for such spreadsheet-like manipulation of data programatically? I have come across dsoFramer but this only allows the display of the data in an IE frame. I would like to jus embed the content into my existing form.
Also this freeware must be able to handle formula and user-editing as well as multiple cell type such as combobox/checkbox etc.
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Sep 1, 2010
I have an project which was written in VB6 and made use of the Spread3.0 component todisplay multiple large data from database in spreadsheet. My objective is to convert this project into a VB.NET current version which would not use the third party component but can possibly use a freeware that does similar if not all the functionality
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May 17, 2011
I'm using an OleDbDataReader to loop through my imported excel file and it gets everything in the file except for the first row. How can I specify that I want to see this header row?
[Code]....
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May 25, 2007
I have a program that currently takes data and writes it to a MS Excel spreadsheet. (automatically opens the program, creates the cells, and fills them with data)
I would like to add an additional feature to my program that offers support for OpenOffice.org's 'Calc' spreadsheet program. (so users without MS Excel can use the application) So I am basically asking if anyone knows how to automate OpenOffice 'Calc' from VB.net. (I am using Visual Studio 2005)
I have searched on the OpenOffice forums but no one seems to know the vb.net code for this. So I was wondering if anyone here has done this, or would know how to do this.
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Jan 5, 2009
I'm using VB 2005 .NET and I wanted to make my applications look better.I found lots and lots of applications for win XP that look like Vista.For example like Windows Live Messenger.
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Feb 27, 2012
I am learning VB at the moment and i'm planning how i'm going to make a simple quiz style web application. I want to have a series of questions, one per panel, that a user can select from multiple choice and proceed to next question with at least one option needing to be selected before going to the next question. At the end users get their score out of X.
Forgetting the validation and other bits i need. My thinking is to use a series of panels that have my questions in, so one panel per question, and by default they are all set no invisible bar the first question. Then as the user selects the question the next panel is revealed and the previous hidden, and so on etc.
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Sep 8, 2009
I have been on MSDN about this and searched but it's not quite telling me what I'm after. I've extracted a list of file names from an Excel spreadsheet and want to check whether they all exist in a directory which a user can select in a text box. It feels like I'm nearly there with it but currently my listbox is displaying everything, I want it to just show the files that are missing. I'm a beginner so I'm not exactly sure if I'm even telling it to compare the two things properly, I've tried a couple of ways of checking if a file exists but neither seem to work.[code]
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