List From OpenXML Excel Column Headers
Jun 22, 2010
I am using VB.net 2008 express edition. I have figured out how to use some of the code snippets for the open xml sdk to create a drop down list of all the sheets in an excel file. I can also use the code snippet to get the value of an individual column header. What I want is a drop down list of all column headers. I could create an array containing the alphabet and loop through each column based on the alphabet letter in the array. I would then just exit the loop on the first column with no value returned for column header...but there must be an easy way to return all headers in one query of the xml.
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Jan 27, 2011
I am using this code i found from links on this site to export data grid information to excel. it works great! I am trying to figure out how to first write the column headers to excel and then the data in the columns.
Private Sub exportExcel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exportExcel.Click
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
[code].....
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Mar 30, 2010
Export Excel From Vb.net Datagridview With Column Headers
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Jul 12, 2011
I've got lots of XLSX files and I need to append a new row after the last one in the file. I'm using OpenXML and so far I know how to open/create spreadsheet, but my search for adding new rows to existing files returned nothing.
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Feb 29, 2012
I have a working code that creates an excel but it uses Interop.Now, I have to use OpenXML. How can I create the excel file and the save the data in the cells?
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Jan 11, 2011
I'm trying to read data from the .xlsx files using SharpZipLib to unpack it (in memory) and reading the inner xml files. Everything is fine but recognizing the dates - they're stored in julean format and I need to somehow recognize if a number is a date or only a number. In another topic (unfortunately it died and I need quick answer) I got to know some things from Mark Baker, but it's still not enough...
"Excel stores dates as a float value... the integer part being the number of days since 1/1/1900 (or 1/1/1904 depending on which calendar is being used), the fractional part being the proportion of a day (ie the time part)... made slightly more awkward by the fact that 1900 is considered a leap year.
The only thing that differentiates a data from a number is the number format mask. If you can read the format mask, you can use that to identify the value as a date rather than a number... then calculate the date value/formatting from the base date." "But doesn't the attribute "s" for dates has always the value of "1"? I know it defines style?
[Code]...
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Nov 3, 2011
I am using Microsoft OpenXml SDK 2.0 to create Office 2007, 2010 files, specifically a very simple excel file. It has a simple header which is merged with 6 cells to center. Bold font size 16. There are 6 columns and each has a header. Bold font size 14. There are rows of data related to each 6 columns. I am looking for decent examples of OpenXml SDK 2.0 to get started.
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May 4, 2012
i want to create column headers now in my first array have this [URL]
array
CSC238,8.00-9.50
MAT183,1.00-2.00
ECO120,2.10-4.00
[code].....
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May 27, 2012
I am populating a datagridview with data from a table and some unbound columns This is a large table and I want the form to fill the screen and the datagridview to fill the top half of the form. To do this, I have put a panel on the top and a panel at the bottom.I have anchored the dgv to the top left and docked it to the toplumnHeaderHeightSize is AutoSizehe issue is that the ColumnHeaders are not visible unless I click on the restore down button on the top right part of the screen
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Aug 31, 2010
I have a csv file that is being sent to me in this format[code]...
This is the only way this file can be exported from the system that is sending the information.
The second item is the Header and of course the 3rd would be the value that needs to be inserted into the row. How do I import a file like this. It is going to be sent to me every 5 minutes so I have to be able to extract the data shortly after the file arrives and insert it into Sql server.
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Mar 17, 2009
In VB6, listview had HideColumnHeaders property. I'd like to use this in VB 2005, but that property does not exist.
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Mar 22, 2011
What I'm trying to do is parse a CSV file that has column headers, and map those headers - ideally to a class.The tricky part is that I need to be able to support various mappings because it will be interacting with different systems that give the headers different names. Additionally, being able to combine fields would be extremely helpful.
Fortunately, the CSV will always be correctly formatted with all fields encapsulated in double quotes.
[Code]...
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Dec 19, 2011
Having an issue with a Datagridview that I am trying to create. What I need is for not only column headers but row headers. If you are not sure what I mean, take a look at this image;
[Code]...
Notice how the screen shot has a column and row headers? Now I do not need the "view selector". To make matters worse I need to have two row headers. Kind of like this;
[Code]...
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Aug 27, 2010
I am exportign a query to an excel spreadsheet. The process works fine except that the column ehaders are on the spreadsheet and I want to eliminate them in the export process. Below is my code. What do I need to change to keep the headers from being created?
Dim SQL1 As String = "SELECT Field1, Field2 INTO [DataSheet] FROM [QryData] IN '' [ODBC;Driver={SQL Server};Server=sql1;Database=Northwind;Trusted_Connection=yes] ;"
[Code]...
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Nov 10, 2009
Using Visual Basics Express 2008, I am trying to add items to a combo box FROM column headers in a datagrid in a separate form. I have written the code to create the datagrid from an external file but can not get the headers of that datagrid to populate the combo box in a separate form.
Here is my working code for Form1 (frmMain):
Private Sub cmdConvertTxt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdPart.Click
Dim dt As New DataTable
[Code].....
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Mar 6, 2012
I have a vb.net website with a gridview that currently has exam questions displaying vertically in each row like this:
Name question answer
-----------------------
Joe question1 answer1
Joe question2 answer2
[code]....
But I would like to change it, so that each question is a header, like this:
Name question1 question2 question3
----------------------------------
Joe answer1 answer2 answer3
Jill answer1 answer2 answer3
This makes it more readable since each user is only listed once.I would like to stick with a gridview instead of rewriting all my code.I am actually binding my data to the gridview via some other programmers class. I am using LINQ like this:
Return (From entry In report.FetchAllEntries()
Select questionID = entry.Question.QuestionID,
userID = entry.Session.User.ID,
[code]....
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Mar 26, 2010
I need to create a checkedlistbox that has multiple columns and each column has a header. Is this possible? I can't really find much on Google. Here's the headers I need:
Checkbox Title Existing path Destination path
I have created these columns to the checkedlistbox I have in my form, but when it is run the headers don't show up. Also the items I'm adding don't seem to abiding to the column widths I put in. Also with the code I'm providing below the items don't display as multiple rows, meaning each item doesn't get displayed on a new row, but in a new column.
vb
For i = 0 To iMovies
Movie = New MovieItem()
Movie.tmdbid = CInt(StrBetween(moviestag, "<tmdbid>", "</tmdbid>"))
[Code].....
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Jun 13, 2010
DataGridView inserting an extra row every time I populate with data. The row appears even if I only fill the column headers. This is causing problems when I try to get values of each cell. Is there a way to avoid this perhaps in properties?
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Feb 11, 2010
Background: Users fill out a form that has 14 fields (radio buttons, checkboxes, textboxes, or listsboxes) in it. I have these fields populate into array list for each field. When the Write and Exit button are clicked the information in the arrary lists are combined and written to the text file that was appended when the form loaded.[code]...
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May 4, 2012
I want to create column headers. Now in my first array have this
array
CSC238,8.00-9.50
MAT183,1.00-2.00
ECO120,2.10-4.00
BEL311,4.10-6.00
MAT183,8.00,9.50
Then second array, I want to do like this
array
8.00-8.50
9.00-9.50
10.00-10.50
11.00-11.50
12.00-12.50
1.00-2.00
2.10-3.00
3.10-4.00
4.10-5.00
5.10-6.00
6.00-7.00
7.00-8.00
8.00-8.50
9.00-9.50
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Jun 27, 2012
I have created a Stored Procedure in SQL which produces a pivot table. I've successfully created a GridView in ASP.NET to display this data.
However, some of my column headings are dynamically generated from the data (AutoGenerateColumns=True), and those column headings are just dates, so they will look different almost every time the table is generated.
This all works fine, except that the date format of the column headings is wrong. I know I could change the way SQL produces the dates in its output, but I don't want to do it that way. I want to control it from the web page.
I didn't think this would be difficult - I thought I could just do something along the lines of finding the cells in the header row and changing the datastringformat. The problem is that whether I put my code in the GridView's DataBound or RowDataBound event, the cells in the header row seem to be empty, so I can't reformat them. It's as if the headers get populate some time AFTER the DataBound event, but I don't know when or how to trap it.
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Feb 9, 2009
I am trying to change the forecolor and backcolor of the column headers in a ListView and I have been able to change the background color; however, now the text has disappeared (the text that shows up in the column headers). How do I go about specifying Color.Argb(193, 218, 248) as the text color? Please advise as I have searched all night online and have not been successful as of yet.
This is what I am using right now:
[Code]..
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Aug 24, 2011
I need to go through the column headers and look for specific text to locate & verify which column contains the data I want.
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Apr 1, 2011
IDE: VB Express 2008Problem: Painting DataGridView Columns.I have done extensive Google searches and found very little on the subject.I have searched this site to no avail.
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Mar 16, 2012
I have been trying to pull rows from my access database into a list box, so the rows do appear on the list box, however the columns are not spaced out, and when I put & Space(10) & inside the ListBox1.Items.Add() the values are all scattered around. How do I fix this?
And how do I add column headers for them?
TransactionTableApt.FilltList(LoyaltyDataSet.Transaction, busid1)
Dim x As Integer = 0
[CODE]................................
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Nov 29, 2011
I have below code in my Form Load event handler but the ListView doesn't show any column headers. I want the column headers to be displayed.
[code]...
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Jan 9, 2011
Suppose I have a table with columns userdef1, userdef2 userdef6 and I have another table that defines these fields. i.e UserDef1 = "MyName" etc
What would be the best approach for retrieving these values and updating the column headers?
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Nov 17, 2009
How to make transparent listview column headers. i am using VS.NET 2003 .. i hav googled a lot , but unable to find the ans.
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Jun 14, 2009
why this code returns the property names as column headers and empty fields?
Dim table As New List(Of SalesPersonClass.SalesPersonClass)
Dim i As Integer
For i = 0 To salesPeople.GetUpperBound(0)
table.Add(salesPeople(i))
Next
dgSalesPeople.DataSource = table
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Feb 14, 2012
I have a listview control that I have a multitude of files displayed, in addition there are 6 columns in the listview that shows information about the file in question.
I have gotten this far, but my question is this: how do I allow the user to sort the listview by clicking on the column headers. Like one can do in list view in a Windows window?
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