I am trying to write code that will compare the information in all row(one column) in the two spreadsheets and if they are not the same update another column on the row with a difference with Updated. but i am getting this error
countExcel = xlsSheet.UsedRange.Count
first_index = 1
last_index = countExcel
[code]....
Has anyone successfully transferred data into Excel with multiple spreadsheets?
View 2 RepliesI'm current in college and working on some computing coursework and putting the finishing touches on it when i stumbled across a bit of a problem.I'm trying to compare two cells in a database and i use datagridview to display the database in my form. The database is created by sql commands within my actual program if that makes any difference. What i have created for my coursework is a program that manages the stock and such for a small music shop and in the stock table im trying to compare values in two different collumns, but in the same rows. I need it to display a message box in the event that the value in the one cell is less than the other, which is basically checking if the stock for a certain CD has fallen below the reorder level.
View 1 RepliesI am wondering if there is a easy way of comparing data in two datatables available in following format:
datatable1
Quote:
ID Length Width Height Qty Rate
ID1 1.50 3.50 1.15 10 55
ID2 2.50 3.50 1.25 20 65
ID3 3.50 3.50 1.35 30 75
[Code]....
ID column of both the tables are unique ID's and can be used for comparing both the databtables.
I am wondering based on these ID's, both the datatables can be compared.
For example, if datatable 1 is used as reference table, data in ID2 and ID5 of datatable2 are different when compared in datatable 1
My main goal is to have an excel spreadsheet that automatically plots the overall success of my stock portfolio over time (% change over time). I've been able to incorporate stock data into my spreadsheet by linking it to the web, but the trouble is the spreadsheet will keep no history of what the previous stock values were, so I can't graph how things change over time. This sounds like it might be too complicated to be built in to excel, so I was wondering if anyone knew how to program this in Visual Basic. Maybe something like this.... If refresh then new cell plus new time stamp. Another possibility would be to have a whole bunch of cells that refresh only once but at longer and longer intervals, e.g.,
[Code]...
I have this code below looping through excel cells and drawing borders... the problem is that these excel cells may contain a number ex. "100", some have text like "hello" and some cells contain a zero the code is supposed to loop through until it finds a BLANK cell with nothing in it.however it stops at the first cell containing a 0. [code]
View 5 RepliesI have a spreadsheet that I need to trim 3 columns. I have scoured the net but can't find anything that I've been able to use to trim each cell in columns A, H and I. I am using Excel 2003 and VS2005.
View 1 RepliesI'd like to export a table I have on my webpage to an Excel file and lock some cells in the new file. Here is my current code:
Protected Sub btnExportToExcel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnExportToExcel.Click
Response.Clear()
[Code].....
This code works in generating the Excel file. I've searched for an was unable to find much for a solution to lock cells in the new file.
I'm trying to copy cells from Excel to a new mail message in Outlook. Excel and Outlook both open fine but it doesn't copy.
Im using the following code:
Dim content = xlWorkSheet.Range("A1:C21").Copy()
Dim oApp As Outlook._Application
oApp = New Outlook.Application()
[Code]....
This does not copy the cells. It simply displays an email with a body that says "true".
I am using the excel sheet to do other things which work fine, so the excel code works. Just having trouble copying the cells.
I has some vb.net code to export some data into Excel format. I had set one of the column to date format. But I want to avoid user from changing the format because they can easily right click the Excel cells, and choose Format Cells. How can I disable this option in Excel via vb.net code so that user will always follow my format?
worksheet.Cells(intCnt, 19).NumberFormat = "dd/MM/yyyy;@"
worksheet.Cells(intCnt, 19).Style.Locked = True
I use the above code to locked it but seems to be not working.
How can I update an existing excel file? I want to change certain values already present in the excel file and I am using
Dim excelConnectionString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:Test.xlsx;Extended Properties=""Excel 12.0 Xml;HRD=No"""
Dim excelConnection As New OleDbConnection(excelConnectionString)
[Code]....
suppose I have an excel worksheet, I want to paint the particular cells with gray color then save it as a new file.
View 3 RepliesI'm trying to write an import function for getting data out of an excel file. How I currently do it is as follows:
Private Sub ReadExcel(ByVal childform As PhoneDiag.frmData, ByVal FileName As String)
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook[code]....
From what I can gather, it more than likely comes down to this line:
Dim Obj = CType(therange.Cells(rCnt, cCnt), Excel.Range)
All I need is the text from the cells, not to create an object for each cell (and then not send them to garbage collection).Is there an easier way of just getting the text? Ideally, if I can get a method for getting the text values of the cell, I'd like to get the multiple rowArray()'s added to a master array and update the program's values later.
EDIT:I also realize that I have two options if I were to create a master array, say mArr, to hold all the data.Would it be better performance-wise to have mArr to be large and the sub arrays small, or mArr to be small and the sub arrays to hold more of the information?I ask because the files that will be imported will have more rows than columns, so I was wondering if there was any "set" way of doing it.
vb.net
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
[code].....
I have a VB.NET website and I am organizing some data in excel file. I need to merge cells which have same data in excel but everytime I try to this operation, program stops and shows this notification: I don't want to see it and I want program to continue without asking. Is it possible,
View 2 Replies[code]i need to read data from specific cells and assign them to other cells.
View 4 Repliesvb.net
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
Dim xlWorkSheet As Excel.Worksheet
[code]....
It loads the data, but there are no headers. I didn't make the code, just copied it using various sources as no one source was able to give me what I wanted.How would I go about adding a header row and making the font bold and increasing the width of each column?
I have to compare two columns in two different Excel sheets and delete the duplicates. I have come up with several strategies that work, but I am searching for the most efficient way to do this. At first, I was sorting the columns and looping through them in the manner of a sequential update and deleting when the cell values were equal. But I discovered here an article by Mike Rosenblum that explained that it is much more efficient to stick the columns into an array and iterate them from there. So I was able to do that. There was a complication in that once I had deleted a row, then the array and the spreadsheet were out of sync. So I had to compensate by incrementing a variable each time a row was deleted, and subtracting this variable from the array index to calculate the row to be deleted in the spreadsheet.
So now I am wondering whether there is a better strategy. I thought that if I could merely hide the rows to be deleted and then find a way to delete all hidden rows at once after the loop was over, then this would eliminate the problem of the array and the spreadsheet getting out of sync and would make the code easier to understand. I thought of putting the row numbers of the duplicates into another array and deleting the rows after the comparing loop. But this creates the same problem of having to compensate the row numbers in the array.
Aim to Achieve: To get rid of borders if any in the cells of range. I have :
[Code]...
All I would like to do concatinate text from two different cells using VB Express 2010. I know there is a =A1&" "&B1 Funtion if I were using excel an thier is also the concatinate function but I do not know how to use these in VB. Below is what I have so far for simply copying one cell to another.
title =
CType(xlsApp.Sheets(Counter1),
Excel.Worksheet).Range("A1")
[code]....
Is there a way to get the max number of user filled cells in an excel sheet without passing a range or iterating through max cells per excel spreadsheet?
Right now I have
Imports Excel = Microsoft.Office.Interop.Excel
Private Sub DoStuff()
Dim oApp As New Excel.Application
Dim oWB As Excel.Workbook
Dim oSheet As Excel.Worksheet
[Code] .....
Right now the oSheet.Cells.Rows.Count = 1048576 and looking through the sheet there is less than 1000 rows of data.
What I'm trying to do is extract values, colors, comments, and any formulas for a range of cells in a given worksheet. The ultimate goal is convert a spreadsheet someone has been using as a database into Access tables.
worksheet.Cells(row,column).Value 'extract value WORKS
worksheet.Cells(row,column).Font.ColorIndex 'extract color index WORKS
worksheet.Cells(row,column).Comment.Text 'extract comment WORKS
worksheet.Cells(row,column).Formula 'extract formula DOES NOT WORK
The return value for .Formula is same as .Value. That's not what I need. I'm looking for a textual representation of the formula (to extract rate information embedded within the formula).
My main goal is to have an excel spreadsheet that automatically plots the overall success of my stock portfolio over time (% change over time). I've been able to incorporate stock data into my spreadsheet by linking it to the web, but the trouble is the spreadsheet will keep no history of what the previous stock values were, so I can't graph how things change over time. This sounds like it might be too complicated to be built in to excel, so I was wondering if anyone knew how to program this in Visual Basic. Maybe something like this.... If refresh then new cell plus new time stamp. Another possibility would be to have a whole bunch of cells that refresh only once but at longer and longer intervals, e.g.,
Day Stock value
1 refresh at Day 1
2 refresh at Day 2
3 refresh at Day 3
etc..
I need to load an EXCEL file into my datagridview. However, my header row contains merge cells, which are not display correctly when loaded into the datagridview. Does anyone knows how to load merge cells correctly into datagridview? When the merge cells are loaded into the datagridview, they are displayed as individual cells instead of merged ones. I am using Microsoft. ACE.OLEDB.12.0 as the provider with Visual Studio 2008 .NET Framwork 3.5, EXCEL 2007.
View 5 RepliesMerge Cells in Excel Export From GridView?
View 1 RepliesI've an excel sheet which is populated with thousands of rows of data, is there a way in vb.net I can pick out only selected cells/rows without having to go through every row?
View 2 RepliesI created this code to export from DGV to Excel and it worked with me. I tried to print the data from DGV to specific cells in worksheet but I don't know.
[Code]....
I need to be able to take numbers from multiple textboxes and input them into certain cells in Excel. Also need to do the opposite (Read numbers from Excel and put them into textboxes.)
View 2 RepliesI wanna read all cells of all sheets/pages in my excel file and just show the text content of each cell. [code]
1. How can I read cells inside the While?
2. My select command only selects Sheet1, how can I select ALL sheets?
Need to get code to read all cells from row2 from excel worksheet1 and move into 2 dimensional array (rownum, colnum). I looked at forum for hours and its SOOO more complex that I need that I'm sure my confidence as a vbs person thinking this .net vba is simple
View 3 Replies