Excel Read-Write With Objects?
Mar 30, 2010I have Excel file (.xls) with objects (graph, combox...) and I must open this dokument write some data and save copy.
I was tried some .dll's and everything gone fine only I lost objects.
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VS 2010 How To Excel Read/write
Jun 22, 2011I have an excel database with one column and thousands of rows of "number" data. I need to import the data into my form read the first entry, run an algorithm then move the result to the second column then move to the second entry and so on. I am having issues with where to begin. I am able to convert the excel database to a text file if it makes it easier.The algorithm that needs to be ran consists of reading each character one at a time and is as follows:ENTRY example: 12358458754The characters 1,3,8,5,7,4 need to be summed then multiplied by 3. These are all the characters starting with the first one and skipping every other one. I will call them "odds" (not referring to numeric value)The characters that are skipped, I will call them "evens", need to be summed together then added to the result of "odds".
View 20 RepliesCannot Read / Write Excel 2007 Files
Jan 21, 2009I use a code like this which perfectly works and creates MS Excel files so I can create Excel files and save my data into it.I also use a similar code to read the data, however, it only read and writes Excel 97-2003 files, and does not support Excel 2007 file format![code]...
View 2 RepliesCannot Read/Write Excel 2007 Files?
Feb 7, 2010I use a code like this which perfectly works and creates MS Excel files so I can create Excel files and save my data into it.I also use a similar code to read the data, however, it only read and writes Excel 97-2003 files, and does not support Excel 2007 file format!Do you have any suggestion on this?
Code:
Dim ExcelString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FileTextBox.Text + ";Extended Properties=Excel 8.0;"
[code].....
VS 2005 Read Excel And Write To New Worksheet?
Aug 2, 2010I am reading an excel file. When everything passes the edits, it is then written to a database. However, if any cell in the row fails an edit, I would like to write a new worksheet (called Errors) containing all of the information from the row which failed.
View 2 RepliesWrite To And Read From Excel 2007/2003
Oct 29, 2010This code is to write text to excel 2007/2003 and also read from excel file.
Reference also need to be added, but Microsoft Excel 10.0 Object Library is ask, and my machine only got Microsoft Excel 12.0/5.0 Object Library
I not able to make it....
Imports
Excel = Microsoft.Office.Interop.Excel
Public Class
[Code].....
Read/write Excel And Word 2007 Documents From Another Application
Apr 27, 2010Does somebody have experience in populating excel and word documents from .net application?
What is proposed way: jet, com, xml? Is there any preferred way from Microsoft side?
What would be pros and cons for all 3 approaches?
VB 2010 : Make A VB Application That Can Read And Write At Excel Or At SQlite Db?
May 5, 2012I am trying to make a VB application that can read and write at excel or at SQlite db.With the excel my application works fine, but when i tried to share my application 1 of my friends can open it and all the others no.So i want to try with the SQlite but i dont know what i need for to support the sqlite at my VB project.I am using VB 2010 but i can also i can use C#?
View 8 RepliesAttempted To Read Or Write Protected Memory VB 2005 Excel Interop?
Mar 4, 2009I have a VB.net 2005 app using the Microsoft.Office.Interop.Excel.dll version 11, deployed on a number of XP machines with Office 2003 installed. On one and only one machine I get the following error:Error -2147467261 Attempted to read or write protected memory. This is often an indication that other memory is corrupt.The line which triggers the error is:
xlSheet.SaveAs(strPathXLS)
xlSheet has been previously defined by
Dim xlSheet As Microsoft.Office.Interop.Excel.Worksheet
This should save an Excel file in a folder on the desktop. I can save a file from Excel in that folder, and create a new Excel file in it from the right-click option. The app is working correctly on the development machine and at least 8 other XP boxes on site.All Office and dotNet 2 updates have been applied.Office and dotNet have been uninstalled and reinstalled to no effect.
VS 2010 Read / Write Excel Cell Data To Textbox & Visaversa
Jan 31, 2011I'm converting older VBA code to VB. I'm using Visual Studio or VB 2010 but am new to this "oop" approach and not a seasoned programmer. Scenario:
1. Open new Excel worksheet (see below - will this work?)
[Code].....
Office Automation :: Textfile To Excel - Read Two Text Files And Write In Differents Tabs
Mar 26, 2011I am trying to read two text files and write in differents tabs.
Code:
Dim xl As Object
xl = CreateObject("Excel.Application")
xl.Visible = False
Dim i As Integer
[CODE]...
Write And Modify OLE Objects Column In Access 97?
Jan 28, 2009I want to do the following in Vb.NET 2005 windows form
1. saving Ms-office documents in Access 97 using VB.NET
2. Opening the saved document in Access 97 using VB.NET and show to user after user clicking a link correspoding to the record
3. After user modified the document/xls file, it should once again save into Access 97 database.[URL]..This document explains how to open and save a document from BLOG fields.But without physically saving the document into local hard disk, is it possible to open in OLE control? and after modifing saving back to Access 97 database.
Read Excel Data (Excel 2007 SP1, On Windows XP SP3) With .net 2008?
Oct 7, 2009I am trying to read excel data (Excel 2007 SP1, on Windows XP SP3) with visual basic .net 2008 (VB 9.0 SP1). I have tried several attempts and whatever I do I am getting the following error message: System.Runtime.InteropServices.COMException was unhandled ErrorCode=-2147319784 Message="Altes Format oder ungültige Typbibliothek. (Exception from HRESULT: 0x80028018 (TYPE_E_INVDATAREAD))" Source="Microsoft.Office.Interop.Excel" Message="Altes Format oder ungültige Typbibliothek." Translated: Old format or unknown type libraryI have added the reference "Microsoft Excel 12.0 Object Library" to my project. I am assuming that I might have to add a different or an additional reference, but I do not have any clue which one to use. List of things I have already done:- Searched other forums- Altered the language settings- Tried it on an other Computer (Win XP SP3, Excel 2007, Visual Basic 2008 Express)- Ran the diagnostics tool in Excel - Updated all updates etc...- Reinstalled Visual BasicI really do not have any clue why it should not work?
Imports excel = Microsoft.Office.Interop.Excel
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim xlsApp As excel.Application
[code]....
VS 2008 : Use Code To Read Excel File With Excel Installed?
Feb 7, 2012I am uploading an excel file to my app and want to read it. Do I need to have excel loaded to read this?I am getting an error of Object reference not set to an instance of an object.
Public Function GetExcelData(ByVal ExcelFilePath As String) As DataTable
Try
Dim OledbConnectionString As String = String.Empty
[code]....
Write All Actions's Latencies To A Single File From All Objects?
Feb 3, 2011I have a really modular application in which modules interact with each other for many, many tasks. Lately I have been making some changes to fix some bugs and some processes are now taking longer (not making the application unusable though).I now want to log the times it takes to perform each action, also taking into account interactions with other objects, to identify where is it taking long. This logging code would most likely be temporary. So, the question is: How can I write all these actions's latencies (or timeStarted and TimeEnded perhaps) to a single file from all the objects?
View 2 RepliesDB/Reporting :: Read Excel File Without Excel Installed Using VB?
Feb 27, 2012I tried to read excel file using the method i found here [URL] But i get an error on ADODB.Connection saying "Type 'ADODB.Connection' is not defined" in the following code:
Code:
Private Function GetExcelConnection(ByVal Path As String, _
Optional ByVal Headers As Boolean = True) As Connection
Dim strConn As String
[Code]....
Its was used in VB6... do i need to do something special in Visual Studio 2010?
Read Data (read Only) From Excel Files?
May 27, 2011I want to read data (read only) from excel files
I use this connection string
Con_BarCode = New ADODB.Connection
With Con_BarCode
.ConnectionString = "Driver={Microsoft Excel Driver (*.xls, *.xlsx, *.xlsm,
[Code].....
How To Read Two XML Files And Return List (of Objects)
Jun 20, 2011I have two xml files. I have to read them and return as a List( Of object). Here is my function.
Public Function GetData(ByVal name As String, ByVal city As String) As List(Of Object)
'Return Nothing
End Function
Read A Textfile Into A List Of Song Objects
Jul 2, 2011This is my first time using a list vs an array but I'm having a bit of trouble. I am trying to read a textfile into a list of song objects. I am reading the file successfully into the list however after the loop ends the program stops executing the load event and ignores the populateListBox() procedure. Any thoughts.
[Code]...
How To Release Excel Application Objects
Feb 18, 2011I have the following code below in which I have a class with some class level Excel objects defined.When I call excelModule.Test from another class all these Excel objects are getting created and I can see an Excel instance in Task manager.
Do we have unload event for class to release these objects?
Module excelModule
Public myRange As Excel.Range
[code].....
List Of Objects To Excel Spreadsheet?
Jul 9, 2009Anyone know of some code out there that does this already? I have a bunch of pages with data grids on them in an admin website they want to export them to Excel, was hoping someone had this written already
View 1 RepliesSending Excel Objects To Subroutines
Dec 14, 2011As it is right now I have a bit of code that kind of looks like this (a little paraphrased but Im sure you get the idea)[code]I thought for sure the above would work but it still seems that I am missing something, when I open the excel sheet nothing was printed. This would cut down the lines of code that I have in half easily, so I would love to find a solution for this [code]But the excel sheets still do not update with the new information.
View 1 RepliesRead Binary Data In An Array Of Objects Or Structures?
Dec 27, 2011I need to create a collection of millions of objects, each object has 3 double and one integer fields.If I remember (after more than 20 years without using C) in C you would allocate enough memory using a struct and an array, and read all the file content in one shot.In VB I created a class with the 4 members, and this constructor:
Sub New(BR As IO.BinaryReader)
X = BR.ReadDouble
Y = BR.ReadDouble
[code]....
Create Excel VBA Objects With The Command (Dim X As Matrix)
Aug 27, 2010just hoping that someone may be able to point me to some information where I can create VBA objects in vb.net (I am using VS2008). For example, I would like to create a new object in VBA with the command (Dim x as Matrix) where 'Matrix' is an object with various properties and methods.
View 15 RepliesPass An Array Of Objects As A Result But Excel Is Complaining?
May 6, 2012I have created a COM Object via VB .NET and exposed some functions that I wish to call in Excel using VBA. I am currently trying to pass an array of objects as a result to VBA but Excel is complaining the following:
'Function or interface marked as restricted, or the function uses an automation type not supported in Visual Basic.'
I have looked around on the internet and have seen similar issues but not to one I am trying to do.My VB .NET function, which I wish to call in Excel is declared as follows:
Public Function CallArray(ByVal serviceName As String, _
ByVal effectiveDate As String,
ByVal serviceParams() As System.Object,
ByRef ArrayRes() As System.Object) As System.Boolean
VBA is complaining about the System.Objects my question is how the heck are you supposed to pass and return arrays from .NET to VBA. Also the data that will be in the ArrayRes() is mixed type, its not just strings etc, its an array of arrays that can contain strings, integers doubles etc.I chose VB .NET because I assumed it would be possible to map to VBA easier.if System. Object and Arrays in VB .NET is not the way, ie maybe theres another way via collections or lists, then Im open to that. I just need to get this data into VBA.Also I could move over to C# if needs be.
Accessing Hidden Properties Of Excel 2007 VBa Objects
Jun 22, 2009I need to migrate from Excel 2003 VBA to Excel 2007 VBA. When Microsoft introduced Excel 2007 it removed many objects from the previous versions and added some new objects. Also it hid some properties of particular objects. These hidden properties can be viewed by going to the object browser, right clicking any object and selecting "Show Hidden Members". My problem is I need to access these hidden properties. Is there any way I can access these properties. I can successfully migrate from Excel 2003 VBa to Excel 2007 VBA with the same functionality?
View 5 RepliesOffice Automation :: Creating Client Side Excel Objects
Nov 5, 2008I have a website. In it, I have a button which will export some data from a SQL database to Excel. I want to open an excel workbook on the client and paste the data there. This all works fine locally, but when i publish it, I get this error:ActiveX component can't create object.[code]Have searched the net, and it seems the problem is permission related. Can anyone explain to me how to configure my server so that I can use clientside Excel?
View 2 RepliesOffice Automation :: Triggering Events On Excel Objects (ex: Buttons)
May 5, 2010I am using vb .net and office 2007 with Microsoft.Office.Interop.Excel.Application loaded in a vb net project.I have this excel file filled with buttons and drop down objects... i need to change the value of the drop downs and then click a button, all this inside vb .net.I have my workbooks, sheets and ranges all setup, i just need a headstart to, for example, change a drop down value, to say... item number 2.
View 1 RepliesHow To Read And Write Xml
May 7, 2012I have a folder called movies. In this folder is a collection of different movies each in their own folder with their own xml file called movie.xml.I would like to extract lets say the localtitle and aspectratio from each movie xml and send to Excel. What code would I need to achieve this?So far I have the attached code which reads only one file and it is directly from the xml outside of a folder.
View 36 RepliesRead MP3 - Write Wav?
Jun 13, 2009Is there anybody out here in the VB, C# 2008 world that can direct me in the right direction? I do not want anything that has todo with c/C++or Direct Draw. When converting, there is no equal for SizeOf, and a few other things. I am using Lame 3.98.2.exe in my app along with LameShell that works fine for resampling, but , not for decoding an mp3 to wav or encoding a wav to mp3. You can find the LameShell project at [URL] . LameShell is a wrapper for the Lame.exe file. Here is the complete LameShell class file along with my app button clicks for the following,
[Code]...