How do I make a column invisible in a gridview? I tried to use this: dataGridView.Columns(0).Visible = False But its getting an error "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index". How can I do this?
After Filling a DataTable in GridView's DataSource . A column with check box Type appears but it created as read only column and I can't enable it or make it editable... even i tried .readonly = false and still can't be edited
I have a project that I would like to add a URL link and an email link to in the Help/About dialog. How can I do this? Is it possible to add HTML code to a VB project? This is not a Web application.
In my grid I have data in two columns same for couple of rows. Then again couple of other rows will same with different data.I want make them into alternative sections with colors In below example(image).
Rows no 1 to 4 has 'High', 'High'. I want make them gray bgcolor for those rows. Rows no 5 to 8 has 'High','Low'. I want make them white bgcolor for those rows Rows no 9 to 12 has 'High','Medium'. I want make them again gray bg color for those rows.
If you see above code you can find that there is check box functionality in my gridview. I have email address boundfield in my gridview. I want to send an email to the email addresses which are been checked in gridview.
I'm using visual basic 2010 express..I'm building my own web browser and want to add a download manager.I have been able to build one that will download a file if I type the file location into a text box.What I'm trying to figure out is how to have the download manager open when I click on a download link on a web page.How to make the download manager know it is a link to a downloadable file as opposed to something like a link to another webpage?
VB GridView control will not allow code in the vb code file to access a data column that has its visible property set to false. When it is set to true, the data column can be accessed with no problem. Any suggestions as to how to correct this? I have looked through the documentation, text books, and I have not found anything that gave me any clue as to what the problem could be. I thought that the property was just applied to the column, not that it would remove the column from being accessible.
I have made a gridview in asp.net vb. and i want to add a link on id columns i want to make a link which can land to new page etc http://localhost/defualt.aspx?id= (id row from datarow). Is it possible with gridview? code is following
Lets see i have this email:Hello Carlos.This is just an example. I want when i click the Button just click the first link (the innertext is the same of href of the 3 link).So i have this nood
Dim all As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("a") For Each email As HtmlElement In all If email.GetAttribute("href") = email.GetAttribute("innertext") Then
I'm trying to link Access database with GridView control.Here's the question: One successful procedure to link database query.
[code]...
However, I got error of "The ConnectionString property has not been initialized." on da.Fill(dt) when running the second time. First time was successful.OK I finally got mistake corrected. I gotta Dim cn As New OleDbConnection("Provider = Microsoft.JET.OLEDB.4.0;" & "Data Source = C:Class.mdb") again to use query instead of once for all queries.
I have a gridview and a LinkButton which is not in the gridView. What I need to to is, when the user clicks the LinkButton AddNewRecord, the gridview allows the user to enter the new data. I know this is possible (and easier) using FormView, but I need to to using the GridView. Does anyone know if this is possible, and, if so, how I can do it?
My app has some labels with email adresses, what i want to do is some kind of linklabel but instad of oppening an internet adress, i want it to open, for example, outlook, with the adress in the destination field (many programs does so), also, it would be fine if i can personalize a default email subject and text, but if i can open the program and put the adress i am already happy enough
i have tried various ways to accomplish this, but to no avail. I don't know how to generate the replacement text (mailto link) so I just used a bunch of x's until I can figure it out. Here is what I have (which currently not replacing emails in string): Here is my Code behind:
I am having a heck of a time trying to figure out this email thing. I am using the Chilkat add-on tool.I can download the emails to the ListView box but they are all over the place and not neat and readable.Also how do you add rows to a ListView box??? Seems crazy that you can easily put columns but rows??? Forget about it...seems like trying to find a needle in a haystack.[code]...
I have a datagridview and I have set the highlight property to full row, I also have a link column in my grid. my problem is, when I click on a row it get highlighted blue, but the link color is also blue so it becomes very hard to read. is there a way other than manually setting the cell forecolor to handle this issue?
do anyone know how to add a new column in gridview using vb.net syntax?the column that i want to add is not bind to any database unlike the other column in the same gridview.
i try to use GridView1.Columns.Add("Percentage")but it turn out to be error.the error said " Value of type 'String' cannot be converted to 'System.Web.UI.WebControls.DataControlField'"
Do anyone know how to add a new column in gridview using vb.net syntax?the column that i want to add is not bind to any database unlike the other column in the same gridview.[code]...
i had a dataset that return the following data CategoryDI, CategoryName, CateoryPicture im displaying these data using gridview however i want to display only CategoryName hide categoryid, and CategoryPicture im uinsg the following code but it not working
I have a datagrid and one of the columns show the size of a file.
Ex: 87 bytes 978 kb 500 Mb 766 Gb
If i get the number of bytes, calculate the correct value (in kb, Mb or Gb) to show as you can see above and add the value on the cell, it works but when i try to sort the column it does not work. It get's the wrong order.How can i format a column on a grid view so the sorting works correctly?
I want to get value from gridview column into textbox. i have DGS4 as my gridview . and i want to use query like i used bellow. i uses some code from @luc001 but it stil not working.[code]...