Asp.net - Grid Checkbox Value Not Changed, How To Get Value On Button Click?
Jan 31, 2012
i am using asp.net for my web application when i click on checkbox inside gridview and after that i check its value on button click it does not show me the exact value.here is asp code
<asp:GridView ID="dgvMenu" runat="server" Width="100%" CssClass="grid" GridLines="None"
AutoGenerateColumns="False">
<Columns>[code].........
and here is its vb version to get its value on button click version
For Each item As GridViewRow In dgvMenu.Rows
Dim MenuName As String = item.Cells.Item(1).Text
Dim chkView As CheckBox = DirectCast(item.FindControl("View"), CheckBox)
Next
i want to check its value whether its checked or unchecked so that i can process its value
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Jul 28, 2010
I have a grid view control on page where there is a Link Button Column. I have written a Onclick event for that.On click event of Link Button the gridview is beind updated. I added the gridview inside an updatePanel.Now the postback events are not working .
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Jun 11, 2011
I'm trying to make a page where you enter some data in the textbox and on button click you search a database and you have a results in grid. But on button click nothing happens.
Here is my code.
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:RIL_FilijalaConnectionString %>"
SelectCommand="SELECT * from ol
And (OL.JMBG = @TextBox1) ">
<SelectParameters>
[Code] .....
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Jan 2, 2012
I have a datagrid that shows tickets that are in an OPEN status. The first column is the ticket number. Is there a way with a data grid control where I can click that number in the Ticket Column and close the ticket etc?
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May 4, 2012
assistance.My Objective: create project that allows the end user to add data to a textbox then select desired rows via checkbox column in a datagridview. Once the end user has selected all desired rows for update then on button click commit data from textbox to cells belonging to the alert_notes column.
[Code]...
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Feb 15, 2010
I'm working on a project in Visual Basic 2008, a web browser, and I've been looking up how to fill in an HTML textbox, fill in a check box, and click a button, I haven't found anything that works. So I know the names of the textboxes, that I want to fill, the check box that I want to have clicked, and the buttons I want clicked, how would I do this?
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Dec 16, 2011
I am writing the following code on the rowdatabound of the grid view and i am not getting the click event of link button..[code]
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Jan 27, 2011
i have 20 checkboxes in usercontrol ... i wanna do whole coding in user control ...
how to show msg box if user forgot to check asp.net checkbox control on button click .. ?
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Jun 10, 2012
I have a asp grid with a few columns that bind to data. The last column has been converted to a template-field. In this template-field is a button with a modal popup extender attached to it. Hidden inside this field is a modal popup. This modal popup is used to add a new account. it contains 2 text boxes, drop down lists and buttons("Add" and "Cancel"). When "add" is clicked the modal should close after the inserting of the new account in the code behind.
The Problem: I get the popup to display and load the Drop down lists from the cache, without problem. How do I get the button click event to fire in the code behind. I've tried using a JavaScript function that performs a _doPostBack('btnAddAcc','') but it keeps returning the error "JavaScript error: Object expected". I gathered after about 1 hour on Google that it is because "btnAddAcc' is not found because it is actually within the grid-view cell and can't be directly accessed. Using page methods and ajax calls is a last resort as the company has a strict policy against this and only allowes this after a bunch of paperwork.
The Code:
<asp:GridView ID="gvNEA" runat="server" CssClass="gridA_Orange"
AutoGenerateColumns="False" AllowPaging="True"
EmptyDataText="No transactions with 'Non Existent Account(s)'"
[Code]....
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Dec 24, 2009
Using vb.net and DataGridView in Winforms. What even should I use to know when the checkbox has changed?
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Dec 30, 2009
I've created a Datagridview bound to a Datatable. This Datatable is updated by a event to reflect statistical information as it changes (sub second resolution). I have a checkbox to determine if a row is available for other functions and can be toggled on and off normally if my eventhandler is not receiving my updates.
If my bound Datatable is changed, the checkbox returns to its previous state as soon as the cursor or focus leaves the checkbox glyph (not the cell).
How do I toggle the checkboxes without them reseting without disconnecting my eventhandler?
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Jul 15, 2009
i have 4-5 forms and contains grid and some coding is done on selectionchanged event of grid. eveything is working fine but one of the form has this problem.as soon as i call the form form1.show and it fires the selectionchanged of grid before even it fire form load event. i'm not sure why? i try to debugged it step by step, as soon as form.show command is done the control goes to selectionchage event of grid and at the same time it is working fine on rest of the forms.
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Mar 2, 2010
I have UltraGrid and i need when i click on grid row to get content from specific column of that grid. For example if I click in cell of fourth column then i need to get value of first column of the same row where i clicked.
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Feb 15, 2010
I've wondered if i can make it so when i click on a checkbox you may not beable to check another. And i do not want to use radio buttons
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Dec 8, 2011
I have a datagrid that has a checkbox column and it all works fine and dandy except I'm not sure what the proper way to handle this situation is. When I check one or more checkboxes then loop through to find which ones were checked if I didnt move the selected cell before clicking go it will not detect the last checkbox checked. However if I change selection it does. Problem is I dont want to change selection, I tried unsBelow is the code I'm using to find which checkbox is checked. This will msgbox me the text in the second column of all the rows checked except the last one I checked
For
Each
chk_s In
[code]....
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Jun 13, 2011
Basically I am looking for if I click on my checkbox, it should reset my datagrid column lastseqno to 0. Is it possible?
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Feb 18, 2011
Moved from Microsoft Developer Network
> Forums Home >
Development Forums >
Windows Debugging
[Code].....
MS has a patch for the OnListChanged event handler issue, even though it seems we have to pay to have access to it. This fix specifically addresses an error message when you press ESC to cancel adding a new row in .NET 2.0: [URL]
FIX: Error message when you try to press ESC to cancel adding a new row to a DataGridView control in the .NET Framework 2.0: "An unhandled exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll"
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Jun 24, 2010
I have a grid that displays data from a binding source. I have a method to handle the CellContentDoubleClick which will get the value of the cell and use that to do a new look up. This will generate a new datasource (with different columns) which I then rebind to the grid.
My grid double click works, but when it repaints with the new data, a single click fires the double click. I have no code in place to handle a single click .
The interesting thing is that it is (in my case) a toggle. If I double click, on the repaint, a single click fires the double click code. When it repaints again, I need a double click .
The double click code fires off a messagebox - if I tell it not to continue, then I have to double click to get it to fire again. So it is not dependant on what data is displayed.
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Jun 24, 2010
I have a grid that displays data from a binding source. I have a method to handle the CellContentDoubleClick which will get the value of the cell and use that to do a new look up. This will generate a new datasource (with different columns) which I then rebind to the grid.
My grid double click works, but when it repaints with the new data, a single click fires the double click. This happens whether or not thre is a single click handler.
The interesting thing is that it is (in my case) a toggle. If I double click, on the repaint, a single click fires the double click code. When it repaints again, I need a double click.
The double click code fires off a messagebox - if I tell it not to continue, then I have to double click to get it to fire again. So it is not dependant on what data is displayed.
When it is in the mode to respond to a single click, I can tab through all the controls and then click on any cell in the grid and it will still fire the double click.
No matter what I try to do (set focus to other controls, refresh the grid, etc.) nothing seems to reset the grid so it works consistently.
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Feb 8, 2012
Code:
Whenever the textbox says "Default" and I click on the checkbox, the msgbox pops up twice. Any way to fix this?
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Dec 17, 2011
Whene i open a form with a Checkbox Column into a Grid, i have no problem.But when i close the form, and directly open it again, i have a error.i use this code
mijnDataSet.Tables(0).Columns.Add("Check", GetType(System.Boolean))
For Each dr As DataRow In mijnDataSet.Tables(0).Rows
dr("check") = False
Next
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Jul 3, 2011
How to change vb .net datagridview row color based on grid checkbox value. Having bound DataGridView. BindingSource as data source. called DGV. I m using this code under cell_formatting event
[Code]...
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Mar 7, 2012
I replace dynamically a label by a dropdownlist and a checkbox in a cell in a grid like this
[Code]...
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Apr 1, 2011
Here is my code:
Protected Sub BookingsGV_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles BookingsGV.SelectedIndexChanged
BookingID = BookingsGV.SelectedValue
Dim query = From a In db.Approvers Where a.ApprovalStatus = False And a.BookingID = BookingID
Select a.ApproverEmail()
[Code] .....
When I click on a row for the first time it is selected but nothing fires and my details panel is not displayed. When I click for the second time I get the expected results.
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May 6, 2011
I've got a asp.net gridview and inside of the grid view I have a check box at the header of the grid view like so: [Code] This gives me a nice little check box at the top of the grid view, the event OnCheckedChanged calls a function called SelectAllRows that looks like this: [Code] So if I click this header checkbox it checks all of the items in the gridview, and if I uncheck it, it unchecks all the items in the gridview. This works fine...but what doesn't seem to work is if the page loads up and I check the grid view header checkbox to true and it selects all the items in the gridview, then i click a button such as a DELETE button that calls some server side code. That code simply loops through the grid view and checks if the checkbox has been checked, if it is it calls code to delete an item.
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Jan 25, 2010
when the user clicks on the add button another form launches, which enables the user to add student info such as name, address, course, start date and end date, this information is then written to class when the ok button on that form is clicked, and then displays the data on the initial form in data grid. the user can add multiple entries and they are all displayed on the intial form and a the data grid is populatedwhen any of the rows in the displayed grid is selected, and the update button is clicked then the same form launches as the previous one and but this time its in the update mode and pre populates the form with the inital values.
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Mar 17, 2009
I would like to develop a VB.net application that includes VB.net datagrid displaying records with Checkbox in the grid operation.Also would like to learn, available datagridview options/events for more friendly programing with VB.Net datagrid.
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Oct 30, 2010
Using 2 forms how would I click one button, from another form? ie In VB 4,5,6, I would used to do it as:-
Form 1:
private sub Command1_Click()
msgbox "Say Hello"
End Sub[code].....
If I clicked the button in form2, it would automaticlly, click the button in form1. Do I, do it the same way in VB Express or has it changed?
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May 14, 2011
my source code in design part is:
<asp:Panel ID="Panel1" runat="server" Style="display: none" CssClass="modalPopup">
<asp:Panel ID="Panel3" runat="server" Style="cursor: move;background-color:#DDDDDD;border:solid 1px Gray;color:Black">[code]......
Ok button click is not accessing click event.
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Mar 28, 2009
ok in my webbrowser1 there will be a checkbox is there anyway to click it just bye the test next to it like in this picture it has "Remember me on this computer. " is there a code to click it just by giving it the text that is next to the checkbox ?
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