DataGridView Edit Mode?
Jun 28, 2009
This should be something simple, but I just cant make it work. I have a DataGridView with a "Technician" column that I would like to have a dropdown box, allowing the user to select and assign that row to X technician. It works, however with the default edit mode, you have to click the box THREE times to get the dropdown. If the edit mode is changed to "Edit On Enter", it works FIRST click, but this ruins the way I want some of my other columns to work.
Questions:
1. Can I enable/disable editing of ONLY certain columns?
2. Can I set the edit mode for ONE column?
3. My "Unassigned" section (the last line) no longer works after adding my "With" section to add my combobox. I thought the "DataPropertyName" would allow this to work. Whats the deal?
4. Can I edit the visual style of the combo box? It does not match AT ALL
[Code]...
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Sep 3, 2009
When the cell is selected but not open for editing a right click will open the ContextMenu. If the cell is open in edit mode a differnt list is displayed (cut, copy, paste, etc.). Is there a way to append the ContextMenu to this menu or turn that menu off and use the ContextMenu?
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Aug 2, 2010
I have a DataGridView in which one column has data that the user needs to align by adding spaces. For example, the first two rows might contain:
kumbu
kuimbiu
And the user needs to be able to line up the letters that match by adding spaces. Something like this:
ku mb u
kuimbiu
Now in order to do that with the DataGridView, the user must enter edit mode in the top cell, add spaces, hit enter, re-enter edit mode in the bottom cell, and then add spaces. Our users would like to be able to, while in edit mode in the top cell, hit the down arrow and advance to the second cell while staying in edit mode, saving clicks or F2 hits.
Is there a good way to do this? I have tried trapping the down arrow key press, leaving edit mode, advancing a cell, and then entering edit mode with the grid's BeginEdit method, but this does not do what I want.
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Oct 26, 2011
I want to detect up,down arrow keys while in edit mode of datagrid view i use the code below but it is not working?
Public Overridable Function EditingControlWantsInputKey(ByVal keyData As System.Windows.Forms.Keys, ByVal dataGridViewWantsInputKey As Boolean) As Boolean
Select Case keyData And Keys.KeyCode
[code]....
Both case arrow keys are not detected. please tell how to detect
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Oct 26, 2009
I'm having trouble with setting a datagridview's cell in edit mode, or rather, to let the user type some input on load of a form (as in Excel or the like).
This is my code (after the dgv has been filled):
dgvTentander.EditMode = DataGridViewEditMode.EditProgrammatically
'(or dgvTentander.EditMode = DataGridViewEditMode.EditOnEnter)
dgvMyDGV.CurrentCell = dgvMYDGV.Rows(lastrow).Cells(TeCOL_Quant)
dgvMYDGV.BeginEdit(True)
The code correctly indicates that the cell is selected, and when the page is loaded I can still se the cell selected, but the cursor doesn't appear and nothing happens when I type.
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Sep 10, 2010
When in "Add" mode, I have all controls on the form enabled with the exception of a listview that is disabled until the record is saved. The listview needs the primary key from the saved record in order for items to be added to the listview.
When in "Edit" mode, the form is populated when a record is selected on a search form. Specific controls are disabled. When a value in a control is changed, I have a RecordModified property that is set to True and then the Save button is enabled. I also have combo boxes that need to be populated but the selected value needs to correspond to the value pulled from the database
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Jul 19, 2010
Is there a way to determine whether a WPF DataGrid is in edit mode / which row is currently edited?
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Nov 2, 2011
I am using vb 2005. I have items in a Listbox. I want to rename a highlighted(selected) item just like same way the Window Explorer. (clicking the highlighted item, then the highlight is gone and the item string is put into rectangle box and ready for type-in by user.)
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Jun 2, 2006
When I am in break mode, I cannot update code.I receive message "Cannot currently modify this text in the editor. It is read only." Can anyone explain why I get this message?
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Mar 17, 2011
I've been searching all over and unable to find a way to do this. I'm not sure if it is possible but thought I would ask. I have a program that runs in the background and hooks the keyboard keys to perform actions when a hotkey is pressed. However I don't want it to do anything if the forground window (of another application) is in edit mode so if you map the v key, the user will still be able to enter it in a text box. Is there a way to detect if the forground window or control is currently in edit mode?
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Jun 8, 2011
Basically what needs to happen is when the user clicks edit onto the gridview and clicks on a certain textbox a javascript calendar popups up and the user picks a date.So far, I can set it statically and the calendar works for that one row, but not the other rows since the ID changes.My ASP Code (id of textbox has been set to txtStartDate):
<asp:TemplateField SortExpression="StartDate" HeaderText="Start Date">
<EditItemTemplate>
<asp:TextBox ID="txtStartDate" onClick="ddlchange()" Runat="server" Text='<%#Bind("StartDate")%>'>
[code]....
This works, for one textbox. It does not work for other since 'ct102' changes with every row.
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Nov 17, 2009
i've made form with DGV... when user selects or enters a cell and presses F1 a help form pops up.... but when the cell is in edit mode and presses F1 .... nothing is happening ... is there any way to handle keydown in cell while is in edit mode ..
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Mar 4, 2011
In the Visual Basic 2010 development environment... i.e. cannot edit code when running in 64 bit mode.
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Sep 20, 2011
I have a problem when i want to E&C on break mode.I turn off Optimized code generation but i still haved the problem!Here, Build>Configuration manager, when set configuration to release, i get an error like "Changes are not allowd when the debugger has been attached to an already running process or the code being debugged was optimized at build on run time". in Other Side when set it to debug, the breakpoints not be hit and have a error like "The breakpoint will not currently be hit.No symbols have been loaded for this document".I use Win7 x64,Visual studio 2008 and also set my project's platform target to X86?
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Sep 16, 2010
What is the real mode , protected mode , supervisor mode and the hypervisor mode ?
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Feb 18, 2012
I am developing web application in which I used repeater to create a grid and I bind a link for edit page when user clicks on that link then ID of that specific record passed to that page and all relevant information extracted from database for that ID and displayed in text boxes. Now i have to use Popup for edit form what should i do now? i used Ajaxtoolkit model popup but unfortunately I did not get id of that link on which user clicks so that i can load data against that ID?
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Jan 8, 2012
I have a Telerik RadGrid that has three bound columns and one button column. I would like to let the user edit the values in only one of the bound columns. The user can add a new record so i can't set the two bound column to read only. Is there anyway i can do this in the ASPX or do i have to do it in the code behind? I have some code that is working but it is not the best.Here's my code:
Case "Edit"
Dim aoeAnswerCode As GridBoundColumn = CType(e.Item.OwnerTableView.GetColumn("aoeAnswerCode"), GridBoundColumn)
aoeAnswerCode.ReadOnly = True
Case "Update", "PerformInsert"[code].....
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Oct 11, 2011
I have an application that loads a web page then allows the user to edit that page by setting the Webbrowser control to EditMode.What I am trying, so far unsuccessfully, to do is trap when a user right clicks on a link already on the web page. The problem I have is that although I can trap the right click using MouseDown and GetElementFromPoint, if the link that is clicked is nested within a higher level element then the higher level element is returned by GetElementFromPoint not the nested element.[code]When the user right clicks, say, the link with test2.html my current code returns the DIV element not the A element. How can I understand which of the A elements the user clicked.[code]
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May 19, 2008
How can I increase the size of the edit mode text box in Grid View.I am using VB .net
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Nov 29, 2011
in VB.NET DGVedit mode, after press ENTER to move the active cell into the desired cell, notdirectly move to the next line, how is it?
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Nov 7, 2011
Put a datagridview in vb .net 2010 form, then on the form load, put this code.
[Code]...
Run the project. After some seconds, it crashes with System.StackOverflowException.
Someone have an idea of what happens? Seems a bug.
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May 15, 2010
How do I show textbox column of a datagridview in multiline format using vb.net?
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Dec 27, 2009
I'm using a Datagridview my task is when the key F5 press using Keydown event executing some code
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Jun 21, 2010
I'm wondering if there is any code that I could use in VB.net so it can determine the computer's startup mode (such as safe mode or safe mode with networking).
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Oct 14, 2010
i am using visual studio 2005 on win 7 with office 2007. i have developed win application. i am using microsoft activex spreadsheet component in my program. so it automatically creates reference to AxInterop.OWC11.dll When i run program in debug mode (open program and click RUN in toolbar it works) but if i run directly .exe (go to bin elease doubleclick .exe) it give error at loading point of that component. It says "Attempted to read or write protected memory. This is often an indication that other memory has been corrupted." An unhandled exception occurrs.
[Code]...
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Oct 28, 2010
I work for a shop that maintains a fairly new app. The app still has its fair share of bugs, with numerous tickets coming in daily. The error information we're given with those tickets is not as useful as it might be because the application was compiled in Release mode, which I read is smaller and faster (makes sense).
Are there any ramifications to deploying a .NET application to production that was compiled in Debug mode? I would expect it would be a bit slower, but I've read the difference is nominal. This would assure us that when we get errors on tickets we have line number associated with those errors and this, of course, makes debugging much easier. major red flags that would prevent you from doing this? I'm tasked with researching the possibility.
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May 19, 2011
I need a picturebox to change it's position and width according to values entered in a datagridview. The datagridview is unbound. Whenever I enter code for additional rows, i get an indexoutofrange error.
[code]...
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May 28, 2009
I'm currently developing a application in VB.Net. I'm using the DataGridView to display my data on the form. I have a EDIT button on the module and I need to know how can I populate a selected row record into the textboxes from the DataGridView.
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Apr 17, 2012
I'm familiar with SQL to an extent from PHP, but I've never worked with databases in VB.net before.I'm making a scheduling system to try and learn how to work with databases, and I have an Access database, that is already populated with data, has all the foreign keys and associative tables, that I need to connect to a DataGridView in my Windows Form.This is basically what I need to accomplish:-Have each table of the database display in it's own DataGridView.-Have changes made in the DataGridView/Windows Form in general... actually update the Access database(I would for example, schedule a new course(by clicking new course, and then selecting the appropriate values for each field), and it would check the make sure the student isn't in a class at that time, that the classroom isn't taken already, and the the instructor isn't busy at that time on that day)
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Oct 20, 2009
I'm completely newbie and I have been trying to solve a problem that is strongly related to what you guys had discussed here .
I have a datagridview (datagridview1) on my form and it is not linked to any database. I'm only trying to programatically enter values into the rows of the grid by values that my program generates.
For example if the value that my program generates is x, y, z then I would like to say something like[code]...
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