Trying to use date selected in MonthCalender function to populate next empty row in an Excel worksheet. So far have tried: Private Sub DateSelected(ByVal sender As Object, ByVal e
As System.Windows.Forms.DateRangeEventArgs) Handles MonthCalendar1.DateSelected
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But none work. How tried looping through a range ("B:B") but it ends up in an open loop. How do you stop it?
I am trying to save details from my program into a sort of mini database using excel, my program isnt having a problem opening the excel file, it is having trouble inputting the data. The first problem i would like help with is maybe a loop of some sort to get my program to look through each line on my excel spreadsheet and find the next empty line so it can input the data.
I was having some help from another person who gave me some code which go's to the very bottom cell and goes up until it finds text and then off sets by 1. However this was in the form of a macro, and I need a way to do it from my program.
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Im currently working in VB2005 so it seems like this was harder to do in that release.
I have a class for a point
Public Class cPoint
Public Speed As Integer
Public Alt As Integer
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But that doesn't work in VB2005 much less work with more than 1 filter. I just cant seem to find a good example that works in VB2005. I could iterate through the list but its kind of big and not very efficient.
I am using vs2005 for developing one project..i have to find Total amount for each page report ( using crystal report and report viewer ..and the report have AMOUNT coloum to display amount) programically..
View 2 RepliesWhen I try to make a new workbook from excel it doesn't work and returning the following error:
System.Runtime.InteropServices.COMException was unhandled ErrorCode=-2147319784 Message="Old format or invalid type library. (Exception from HRESULT: 0x80028018 (TYPE_E_INVDATAREAD))" Source="Microsoft.Office.Interop.Excel" StackTrace:
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When I want to export the contents of my datagridview to excel 2003 I get the following error message: COMexception was unhandled Exception from HRESULT: 0x800A03EC
View 11 Replies(currently working with an ERP Dev Tool), in order to do some migrations stuffs must read an excel file and do some transformations?
View 2 RepliesI'm using the following code to set the cursor automatically (important) to the first empty textbox on my form:
Private Sub FirstEmptyBox()
If TextBox1.Text = "" Then
TextBox1.Select()
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I am using asp.net oledb to export information to excel file. I encounter problems when the information to export becomes too big, in this case the code I have given below, the excel file generated becomes an empty spreadsheet.If I changed the loop to 1123 for insertion of the rows. The generated excel file is fine, 1125 rows, and 4 columns shown.A test program in windows form is also working fine regardless of how many rows.[code]I couldn't find a solution to my problem as well. What I did eventually was to run the process using another separate windows service. The code works perfectly fine running from a windows form or service program, but not asp.net, not sure why.
View 1 RepliesI'am new in the VB world, and should translate excel sheets into new sheets.I'am using Visual Studio 2008 (with VB .net I think) and I'am trying to tackle empty rows deletion.Maybe an additional problem is, that some columns having a space (visualy the row is empty and should be deleted).[code]...
View 10 RepliesUsing OleDbDataReader, how does one determine if the Excel workbook is empty? BTW, OleDbDataReader.HasRows seems to always be True even for a workbook with no data.
View 1 RepliesI am using Outlook 2003, VB 2008 and Win XP.I am storing user ID's in the User1 field of the Outlook Address Book. This is working find I want to Find all Address Book items with a value in User1 [code]This will find an Address Book item, even if the User1 field is not blank. When I debug, the first entry found has OlContactItem.User1 = Nothing.If I set User1 to a value (for example Id # is 1234, so I set User1 = "1234"), I can find just the one Address Book item with:[code]How can I find just the Address Book Items with User1 is blank?
View 1 RepliesMy requirement is to read all rows of an excel-sheet in first column that are not empty, are numeric and have a length between 15 and 20.
For example:
358218033354974
359473035499561
358218036156129
354022038366247
358218032490035
359473030516492
353210040325399
This column might have a header that is not numeric and there might be empty rows. This would cause an exception when importing them via SqlBulkCopy. So i want to prefilter the correct rows via OleDbCommand.
What I have tried so far is following(C# is also appreciated):
Using connection As New OleDbConnection(sExcelConnectionString)
connection.Open()
Dim schemaTable As DataTable = _
connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, _
New Object() {Nothing, Nothing, Nothing, "TABLE"})
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But this throws an exception if there are empty rows or the format of the value is incorrect. So my question is: How to restrict the rows of OleDbCommand to:
Get only first column of every worksheet
All values that are numeric
Skip empty values
Ideally only the values with a length between 15 and 20
Any way how to skip the empty rows, Or do I have to to select the whole datatable? I hoped it would be possible to do that only with one query because of performance reasons.
I'm writing a VB.NET program (VS 2005) that reads data from an XML document and writes it into a column in an excel spreadsheet. It's working fine, except for the following: after the first run, all the data appears as expected - for example
COLUMN
a
b
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I decided to to convert my excel macro in a exe file using visual studio 2010. In excel macro method find is present like this:
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I am trying to write a code for excel so that it generates results in the last empty column on the sheet. below is a sample data of what is there:[code]
View 3 RepliesHow can I set the column width and leave the top 10 rows empty in order to insert an image into my Excel report?
Here is my code:
If ComDset.Tables(0).Rows.Count > 0 Then
Try
With Excel
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I am trying to find the last line of an existing Excel file from Vb.net. I figured out how to open the file. The file has contents in its first columns as follows[code]....
View 1 RepliesI am working on an application where I need to locate a range of cells within a worksheet. Since the actual location of the data will vary for each worksheet, I have come to the conclusion that I can put a string near the range that I am looking for (i.e. the text "*SUMMARY*") and since I will know the location of the data that I am looking for relative to the location of this text string, it should work.
I have made some progress but am having trouble getting the Find method of the range component to work. My code is below. This code finds each worksheet and shows me the name but I also need to to find the location of the cell with the string "*SUMMARY*" in it (if it exists).
Imports Microsoft.Office.Interop.Excel
Public Class Form1
Dim oExcelApp As New Microsoft.Office.Interop.Excel.Application
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How do I find out the hidden excel sheet name using ADO(OLEDB) in C#? In My Excel workbook there are a lot of sheets. Only one Excel sheet is in hidden mode. I need to find out the names of hidden sheets. My code finds both hidden and visible sheets.This is my code to find excel sheet names for all sheets. Is it possible/can any one tell me how to find out hidden excel sheet names without using Interop services in C#?
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This is driving me crazy. I keep getting an exception with the below code trying to usethe Find method. he error is "Unable to cast COM object of type Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because theQueryInterface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))".I have confirmed LastRow = 845
Imports System.IO
Imports Excel = Microsoft.Office.Interop.Excel
' open a read-only version of the data file
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Upon my program startup, I need to see if an Excel 2003 file with a certain name is open and then control it (set a reference to it). Unfortunately, the path of the Excel file is not set; else I could just detect if that file was open. So I guess I need to somehow loop through all open instances of Excel; then once I set an Excel app reference to each instance I could loop through the workbook names... But how would one go about looping through open instances of Excel in VB.net 2008?
View 5 RepliesOn my VB excel macro, I am trying to create a code to search a key word on a specific row and to display the adjuscent 5 cells values in a text box. That keyword will be repeated here and there on that same row. But the adjuscent 5 cells value will be differ each time when the keyword matches.
For example: Row 20 has a word "We gave" (key word) in cell D20. I want a textbox to display the values of E20, F20, G20, H20, I20 in a text box. Then on cell M20, there will be another "We Gave". Then it should keep the value that it displayed in the text box earlier and to show the newer values of N20, O20, P20, Q20, R20.
I have tried several versions of this with no luck. The casting of the worksheet works as my data is entered in other parts, but I have a section where I need to add data 1 column right of the cell containing the 'str(0)' value. Most of these parameters are optional. I have even tried the System.Reflection.Missing object.
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In VBA I am able to search a text in an excel range like this:
Code:
Workbooks("Book1").Activate
With Worksheets(1).Range("C1:C10000")
[code].....
I have upgraded to Visual Studio because of the jobs I am to carry out. So I am translating all the codes from "VBA" to "VB.NET" (Visual Basic 2008)But I haven't been able to use "Find Method" in VB.NET. I am using Microsoft Office XP Standart Edition (2002 Version). I downloaded and installed Office XP PIAs. After that I referenced them in my project. I used the code Code:Imports Microsoft.Office.Interop.ExcelBut I can't do what I want Now, how can I use "Find Method" in Visual Basic 2008 to find a text in an excel range in one of my workbooks?
is there a way of getting the screen coordinates of individual cells on an open Excel sheet, what I want to ultimately do is pass in a cell range say, "A5" into a function and watch the mouse cursor move slowly to that cell. I know this might seem a weird request. I already have a mouse move function but that accepts the x/y coords in pixel terms where excel using .TOP and .LEFT give an entirely different format?
View 1 RepliesI have a DataGridView that has some columns with dates. It binds to an in-memory Datatable which gets loaded from an string array of data passed back from the backend Some of the rows returned have nulls for the date columns. Solution 1: If I define the Date column in the DataTable as "string" I can easily convert those nulls to empty strings and display it in the grid as empty strings (desired results). However, if the user clicks on the date column header to sort by date, it doesn't order the rows as you want. You get a purely string sort order. Not acceptable
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Whether I am using VB 2008 Express or VS 2010 Beta 1 Visual Basic, I get the same error: "Debugging information for 'EXCEL.EXE" cannot be found or does not match. Cannot find or open the PDB file" I have filled in the Debug Tab information: Start external program: C:Program FilesMicrosoft OfficeOffice12Excel.exe
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This must've have been asked before but I couldn't locate it. In a mixed code project (VB and C#) we were debugging some old Visual Basic code where a statement as follows could be found:
If Request.Params("xxx") <> "" Then
'do something
I considered this a bug as Request.Params could be null, in which case the statement would've become false which wasn't the idea. So I thought. I just found out, -- probably for the tenth time and I will keep forgetting -- that the following two statements are not equal, while Nothing in VB should be equal to null in C# (thought I):
if(String.Empty == null) // always false
If String.Empty = Nothing Then ' always true
Should I dismiss this as a typical Microsoft backward compatibility effort, or should I consider this a huge error in the VB.NET compiler? Does anybody know the Microsoftean opinion on this oddity?
I have a array of strings and I am looping through them, but the string might be empty so I am trying this:
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