How can I disable buttons on some rows in an unbound datagridview, or at least make it appear that it isn't enabled? The enabled property of the cell doesn't exist, and the visible property is read only.
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Is it possible to add a button column to a datagridview and then remove a select group of these from rows without removing the rows themselves? That is, I want the ability to hide or remove these buttons in certain rows after certain actions have occured. I realized that I could simply delete the rows with these buttons, but I want to keep the data in these rows visible without the user thinking they have to use the buttons. I am assuming that I can also disable the buton in the desired rows as well.
View 2 RepliesI have two datagridview's both are databound. First one shows items for sale and the second stores all the items that were sold. I am trying too transfer selected rows from one to the other but no matter what I keep getting told "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound."
View 2 RepliesI am trying to Disable the "Move First", "Move Previous", etc in a Navigator Bar. I want them Visable, just disabled. In other words, I want them to show (grayed out), just not clickable. In the Move First properties I set Enable = False and Visable = True. It looks grayed out in the form design but when I run it, the arrow is still clickable. If I make Visable = False, the button does not show up in the app.
View 2 RepliesI am using Vb 2008, and im trying 2 enable a copy button thats in a toolbar until there is text selected in my rich text box. (normal state of the button is disabled.)
my code is below
If Editor.SelectionLength > 1 Then
CopyToolStripMenuItem.Enabled = True
End If
End Sub
i have created dynamic buttons at runtime and i would like to disable them when a user clicks on a form button.This is the code i have for that button:
Dim intXX As Integer = 0
Do Until intXX = intX
userAvatar(intXX).Enabled = False
intXX = intXX + 1
Loop
The buttonNames is an array of all populated button names created at runtime. However, trying the .enabled = false at the end of that does not work. What other ways are there to do that with buttons created at runtime?
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So i'm working on this web application which is pizza order application form in which user selects size of the pizza and toppings.I've 4 sizes pizza but I can check more than one radio buttons at a time.and the other problem is that I've like 6 choices of toppings which worth 99C each. But If I select more than one checkbox, then total adds up 99C only once.[code]
View 3 RepliesI have a toolStrip with several buttons. Each button opens a new form.
With some forms I disable just its button, but with others I disable three buttons.
After I close any form, I re-enable the button.
As it isn't always the same amount of buttons, I'd like to do a routine to re-enable the buttons after I close any form. I've tried with:
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How would i delete only the successful inserted rows for insert and then move the non successful rows up and allow the user to correct the data and get it ready for an insert. If i dont delete the successful rows then i will have multiple inserts of the same dataRow and we dont want that! AND if i dont move the data up then it will have blank rows uptop and will end the try and not insert the corrected data. You can better see what logic i am trying to perform at the bottom of my code, right after I insert into the database. Here is my code.
Private Sub btnLaserGenerateTicket_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLaserGenerateTicket.Click
'Function declarations
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How would i delete only the successful inserted rows for insert and then move the non successful rows up and allow the user to correct the data and get it ready for an insert. If i dont delete the successful rows then i will have multiple inserts of the same dataRow and we dont want that! :) AND if i dont move the data up then it will have blank rows uptop and will end the try and not insert the corrected data. Here is my code.
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How do I disable buttons while there are less than 2 items in a listbox? I can't figure out how to do it. I'm a newbie in Visual Basic(programming at all)
View 7 Replies'Invoice Form
Dim daInvoice As New OleDbDataAdapter()
Dim dsInvoice As New DataSet()
Dim MyDataTable As DataTable
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Error...
Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound.
how to add Rows programmatically to the DataGridView's rows collection when the control is data-bound? here is my code but i got error as "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound? "
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Can you temporarily disable a radio buttons CheckChanged Sub? I have a set of radio buttons in a groupbox and when the user selects one, I need to check if it's a valid selection. If not, I need to reset it to the previous button that was pressed. Below is an example of my
Private Sub rbGame_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbGame.CheckedChanged
t_indextype = m_indextype
m_indextype = "1"
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In the above example, ResetButtons() changes the checked value of the radiio button selected to false and changes the checked value of the previous radio button to true. The problem is that when radio button rbGame gets changed, it causes the CheckChanged sub above to run again from the top. Is there a way to temporarily disable it from running while I make my changes and then re-enable it?
I have a group of radio buttons inside a groupbox and I don't want the user to be able to move the focus away from a button by using the arrow keys. I've tried the following keydown event, but it never gets fired:
Private Sub rbCode_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles rbCode.KeyDown
' If an arrow key is pressed, maintain focus on this radio button
If e.KeyCode = Keys.Left Or e.KeyCode = Keys.Right Or e.KeyCode = Keys.Up Or e.KeyCode = Keys.Down Then
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I want to ask about how to disable the button when the datagrid have 9 rows? i want to control the button.after the datagrid have 9 rows, then the button.enabled=false.
View 3 RepliesIn my datagridview table, i have two status, which is "paid" and "parked". I want to display both but i want to freeze the state or disable rows if the status is paid.However, as i was doing that i found out that the property for state is read only. Have you encountered such? Is there another way to do this?
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how i can disable completely mouse and keyboard input on a WebBrowser object using Visual Basic 2008 i have this code:
Dim CarImp
As
New DirectoryInfo("C:VSEPRN")
If CarImp.Exists =
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i generate a small HTML file on a hard disk, put the AxWebBrowser2 object navigate to the file, all works fine, but i need to diable all user interface on that object. If the user clicks on object, the page reloads completely and i need to avoid that behavior.
Can anyone tell me why "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound." I keep getting an error "Invalid Operation Exception was Unhandled" error. All I am attempting to do is allow the user to select products from a list(or a second datagridview) and have it added to the datagridview so they do not have to type in every cell since the other cells are not visible because they do not purtain to their needs. Plus they will be able to save all items at the same time.
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It was even difficult coming up with a Question title for this.
Am not sure whether am using the right approach to my problem. See i have this datagridview that contains rows that i would like have saved back into the Database as new rows but with a column altered to a new value.
Eg
PKColumn1 FKColumn2
Column3 Column4
1 1
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What am looking at is Change FKColumn2 (some foreign key, maybe i can also have a combo box somewhere on the form and an "import to") values to something like 2 and save the rows back to the database without loosing the original rows.
I have several problems with rows in a DataGridView. Background information: The DataGridView (DataGridViewCalib) is in one TabPage of a TabControl, some columns of the DataGridView are automatically DataGridViewCheckBoxColumn as the DataSource have some colums which are Boolean. This is a Windows Form written in VB.Net with Visual Studio 2008. The user loads an input data file.
The problems:
1) At first arrival in the TabPage, ShowDataGridViewCalib (code below) is called. All rows are then shown in the DataGridView, despite the code saying that some rows should not be visible. Breakpoints in the code show that the code do arrive at the Rows.Visible = False events. Despite all rows beeing shown a Watch in the debugger shows that:
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There are two alternative ways of handling the rows in the code. The first attempt (commented away here) is probably the "nicest".
In VB.NET 2008 I've two forms 1 & 2 containing two datagridviews connected to two data source 'ACCESS 2007 tables' Now I want to select multiple rows from one datagridview (form1) & transferring these to another empty datagridview (form2) with a button_click.
View 3 RepliesI have 2 forms, each one with a datagridview.I want to transfer all the DataGridView Rows from From2 to another DataGridView of Form1. but it's not possible.
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2 of the columns have data added to them separately from 2 textboxes so I want to disable these 2 columns and also have it so that when I tab through the cells the cursor does not enter the disabled columns but goes directly to the next enabled column of the row
View 2 RepliesI have a DGV with a Button Column. I need to be able to disable or freeze a single cell (or cells) in that column so that its button can't be clicked, but I haven't found a way to do it. It this possible?
View 4 RepliesWhen I check the Checkbox in datagridview and click Save button I want that the Checkbox in that cell would become disabled to uncheck or check again or invisible at all. Is that possible, what could you advise ?
I guess it should be smth like this (my datagridview shows only checked checkboxes),but it doesn't help, I still can uncheck boxes...
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How do I disable copy from a DataGridView. It's a silly security feature.
View 1 RepliesI have a dialog that gets called from time to time. It is only created once, and then shown or hidden. Depending on the current conditions, when I display it, I need to disable the controls on it so that the user does not make any changes.I have code that checks the condition and sets the enabled property to false for the controls. There is a DataGridView control on the dialog, and for some reason, it stays enabled and allows changes. Does anyone know why, or what I need to do to get it to not accept any input?
View 4 RepliesHow to disable Cell Highlighting in a datagridview,Highlighting should not happen even if I click on the cell.
View 3 RepliesI am using DataGirdView in my project.I have some queries listed below.
1. I want to add Rowheader' name like
Column 1||Column2
Row1
Row2
2. I want to fix the number of Row like just 2 Rows . And if I edit in datagrid or press enter after editing ,the automatic addition of the next row must be blocked.
