how to add the row headers to the Datagridview? We can normally add Column headers from the Properties. But there is no option for Row headers. Can we add them through the IDE? Or we need to do it dynamically?
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I'm importing a CSV without headers into a DataGridView using:
If ofd.ShowDialog(Me) = DialogResult.OK Then
Dim fi As New FileInfo(ofd.FileName)
Dim strDirectory As String = fi.Directory.FullName
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I want to number the rows in my datagridview. Basically the users want to know how many rows they have posted, so they can stop at a certain number.So I have done several web searches all giving the solution I came to on my own, but still nothing is showing! it's almost like there is a property I need to set to show text in the row header, otherwise it's somehow disabled or not visible, but I am not sure what!!!
View 2 RepliesI 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
View 4 RepliesIs it possible to customize the Datagridview headers format? I mean the column and row headers.
View 4 Repliesway to return letters like a,b,c,d,.......,x,y,z,aa,ab,ac,ad,.......az,ba,bb,bc,bd,.......bz, in visual basic. I am adding them to the headers of a datagridview. Sort of like excel numbers the headers on columns.
View 2 RepliesI use a datagridview where the rowheaders frustratingly stay blank after I load the form. If I modify/add/delete anything the rowheaders pop up. then when I sort by clicking on a columnheader the rowheaders become blank again. all these actions (load/add/modify/sort) go through the same refresh function. I can't seem to figure out why the rowheaders sporadically show up. they should stay visible all the time. btw, datagridview.refresh() doesn't work
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I am exporting the data in a DataGridView control using the Excel interop. It is working fine, except that it is not creating the headers. How do you include the column headers with the export?
View 2 RepliesI am working on a windows application using VB.net 2.0 and want to create a custom ComboboxControl which displays multiple groups. I was able to display the items in Custom combobox with headers. Below is the sample.
Header 1
Item 1_1
Item 1_2
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I want to prevent users from selecting the header items. I managed to revert back to the previously selected item if user selects the header item. Problem with this approach is drop down collapses and then reverts back to previously selected item. Is there a way to check, if the item being selected is a header item and if it is a header item, do not collapse the dropdown. Basically I want to implement behavior of HTML select list with optgroup.
1_1 1_2 1_3 2_1 2_2 2_3
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?
View 1 RepliesI 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
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Export Excel From Vb.net Datagridview With Column Headers
View 3 RepliesI have 2 issues- first if i use LINQ query as datasource with datagridview then how I can Find a row in datagridview and also how to enable automatic sorting through headers of datagridview if i am using LINQ.
View 2 RepliesIDE: 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.
View 1 RepliesI'm new to VB 2008 and was wondering how to apply 2 toned back color to my datagridview column headers or listviews. Where the color is lighter at the top of the column header and then becomes darker towards the bottom of the column header. It seems most apps use them these days.
View 1 RepliesI am developing a project using VB2010. In the attached example I created a Form.
On tha form I put a GroupBox Containing a DataGridView.
I am trying to set, at Design time, the ColumnHeadersDefaultCellstyle Font of the grid, defining the Font, the size and the style (Bold). After saving the project or running it, The Font properties of the grid headers are changed to the Font properties of the containing
GroupBox.
Why is that so? How can I set, at Design Time, a different font for the Grid Column headers and the GroupBox?
To demostrate the problm - Try to modify the Font of the grid headers, in the attached example,
to "Bold" "Size 12", Run the application and see the result.
I have a datagridview populated from a CSV file in vb.net. I have 2 datepickers, 1 button. see the attached images. Image1->before filtering
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I am attempting to do my own field mapping within VB.I am selecting a .csv file and want to populate a combo box with the column headers from the .csv?
View 3 RepliesI need to add data to columns after the headers. But I don't know how.
View 6 RepliesIn C# and I have been trying to convert and get it to work, but have not been successful?[code]...
View 2 RepliesI 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] ;"
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this is the code i am using to print the contents of my datatable:
Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
Dim xPos As Single = 120
Dim yPos As Single = 120
Dim i As Integer = 0
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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
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i'm using standard webbrowser control (visual basic 2008) and need to read "headers" of current URL requested, how can I do this?
I'm wondering how can I put a header into my PDF file, cause I've tried the tutorials from here:And it has not worked.I've done this:
Dim head As New HeaderFooter(New Phrase("This is page: "), False)
head.Border = Rectangle.NO_BORDER
document.Header = head
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It's quite strange... The text headers of the tabcontrol's tabpages are gone... Even when I set them again, they are not disappear, design-time nor run-
View 1 RepliesWhat im trying to do is to use a proxy for the connections of my webbrowser controls i have in my program.I found this code on another forum that does almost what im looking for:Well,step 1 is to form the string you need to send. Use this function, and the format user:password for strSource.
Private Function Base64_Encode(strSource) As String
Const BASE64_TABLE As String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
Dim strTempLine As String
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I am using a webbrowser control and loading a website that uses basic authentication. I pass the username and password in the additional header of the navigate routine. The problem is that the header is not retained while navigating the site.
I.E.I log into the site and pass the user name and password in the http header. When I click a link to access another page the header is removed and the site asks for credentials. If I was to just type the site into IE and log in the first time the headers are carried forward on all pages. how I can have the page retain the headers so the user never has to authenticate?
Dim sHeaders As String
Dim HelpBrowser As New WebBrowser
sHeaders = "Authorization: Basic: " & System.Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes("UserName:Password")) & Chr(13) & Chr(10)
Me.HelpBrowser.Navigate("http://www.mysite.com", True, Nothing, sHeaders)
I want to change the orientation of rows and headers in a datagridview using a deserialised class as a dataset so that rows are displayed as columns and columns as rows. How do I do this?
View 9 RepliesI'm writing a mail component for a VB.Net app, and need to handle mails differently that are "Sent on Behalf" of someone. Although the Outlook Object Model exposes "SentOnBehalfOfName", it doesn't expose the email address for that party. Supposedly it's in the "OtherHeaders" field of the SMTP header, but I don't see an easy way to get to those through the Mailitem object. Am I missing something simple?
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