Have A Button Which Selects All The Checkboxes Inside Checkboxlist?
Mar 20, 2010
I have a checkboxlist in my asp.net page. I am adding items in it on design time. and i have a button which selects all the checkboxes inside checkboxlist. It works fine but there is another button which causes post back, and after postback, all checkboxes inside checkboxlist get unchecked and lose selection. How can I fix this ?
I got a checkboxlist in which I bind the items with data from the DB.Means the rows in my table re directly bind tochkboxlist to display as the 7 listitems in it.Together with that am binding the state also(ie,whther it is previously checked or not by the user).Now the user have the option to edit this settings by checking or unchecking the listitems in it.We need to update this in the DB accordingly.
I need to pass the Id's of the checkd items separated by a "|" along with the state 1 or 0.Meaning if the user check 1st threecheckboxes in the list my parameters shud be (userId,1|2|3,1|1|1)..I tried in the below way..
public void UpdateNotificationSettings() { NotificationDO notifyDO = new NotificationDO();
</asp:CheckBoxList>  I am binding in following way   chkchrges.DataSource = objclsChargeMaster chkchrges.DataTextField = "chrgdcd" chkchrges.DataValueField = "chrgcd" chkchrges.DataBind()
And i am trying to get values (value member) of checked checkboxes
I am trying in folllowing way but each time it rerurns false on Â
li.Selected  For Each li As ListItem In chkchrges.Items If (li.Selected) Then Dim XX = li.Value '' Do something with Value End If Next
I have a code below...that dynamically create a checkboxlist.....
....connection code.... Dim da As New SqlDataAdapter(myDBCommand)[code]....
Ok so that works ...data coming from the database populating the checkboxlist...:)when the user click on some values...I want them to go to another page.....ok ..so I have all the values they selected.....page going to another page.....but what I want to do is when they come back to the page where this Dynamic checkboxlist is on...I want to select all the checkboxes they selected. ...before they went to this other page...so how can I dynamically select certain checkboxes from the dynamic checkbox....? the values will be stored in a querystring...not a database....so how can I use the querystring value and re select the checkbox corrisponding to the querystring value?
I'm trying to create checkboxes inside Listview from code behind, but I'm having problem creating them.
What am I missing here?
Checkbox's ID comes from Datareader.
Here is my code.
If reader2.HasRows Then While reader2.Read Dim jobid As String = Convert.ToString(reader2("JobTicketID")) Dim jobtitle As String = Convert.ToString(reader2("JobNickName")) Dim item As ListViewDataItem For Each item In ListView1.Items Dim jobtd As HtmlTableCell = CType(item.FindControl("jobtd"), HtmlTableCell) Dim jobtr As HtmlTableRow = CType(item.FindControl("jobtr"), HtmlTableRow) Dim cb2 As CheckBox = New CheckBox cb2.ID = jobid + "cb2" cb2.Text = jobid + IIf(jobtitle <> "", " (" + jobtitle + ")", "") jobtd.Controls.Add(cb2) jobtr.Visible = True Next End While End If
In datalist, I hve populated Grdiview according the Category Id. Inside Gridview , I hve checkboxes. Now i want to get the selected checkboxes names to be insrted into the database. how to get access of those checkboxes inside of Gridview.
I'm trying to do a validation for checkboxlist on a server side as all java approaches didn't work. However, probably due to the checklistbox is inside a listview the FindControl is empty. how to find a control inside a listview on a button click event when the button is outside of the listview.
<asp:CustomValidator ID="rfchblAnswers" runat="server" ErrorMessage="* Please, select at least a one checkbox." OnServerValidate="cblCustomValidator" EnableClientScript="false" ValidationGroup="EnterData" Display= "Dynamic" /> Public Sub cblCustomValidator(ByVal objSource As Object, ByVal objArgs As ServerValidateEventArgs) Dim chblAnswers As CheckBoxList = _ CType(lv_qstns.FindControl("chblAnswers"), CheckBoxList) If CType(lv_qstns.FindControl("chblAnswers"), CheckBoxList) IsNot Nothing Then 'it's not working here as it cannot find the control inside a listview Dim boolFlag As Boolean = False For Each li As ListItem In chblAnswers.Items If li.Selected Then boolFlag = True End If Next If boolFlag Then objArgs.IsValid = True Else objArgs.IsValid = False End If End If End Sub
I have a asp.net listbox server control that is connected to a jquery plugin that can handle a client side click event for each of the checkboxes it renders.
Whenever I click on a checkbox the click event gets triggered and I make a call to
__doPostBack("UpdatePanel1", ""); so that i can update the updatepanel and rebind the checkboxlist inside it.
is it possible to do the rebind first, and then update the updatepanel? how do i do that? because now, the rebind happens on the second time i click on the checkbox.
im learning webforms and asp.net in general and what i have so far is a formview that displays data being pulled from a sqldatasource, but i also want a checkboxlist that can be used to input information and display information. this checkboxlist is insode the formview. the problem im having is that my formview is calling a datasource with an specific stored procedure with one table and my checkboxlist needs to called another stored procedure that has a different table. formviews does not allow you to have tow different datasources so how can i make this possible? ill paste the front end code and the backend code so you guys can see what im trying to do.
I´m using a Repeater to generate Items out of a Database. Each ReapeaterItem should include an UpdatePanel, because i have to Update the Controls inside the UpdatePanel and do not want to reload the complete page. Inside these dynamically generated UpdatePanels (each RepeaterItem has one) i´m adding up to three Checkboxes dynamically (based on the Database). These Checkboxes need to fire the "CheckedChanged" event, because on some conditions i want to enable/disable/check/uncheck Checkbox1, 2 or 3 based on business logic. ... Hope you got this so far. I´m adding all Controls and have the EventHandler Added. But the generated Code does not reflect the Event Handler. I tried OnItemDataBound, OnItemCreated, PreRender, ... Events to add the Eventhandler too, but i was not able to find the CheckBox-Control with the ID.
I´m totally lost with this and on the way to use Buttons instead of Checkboxes. From what i read so far is that with Buttons i can use the CommandName from the Button and the ItemCommand-Event from the Repeater to get a workaround, but then i need to reflect the "Check" on the Page in some way. btw, every Repeater (8) sits inside an ajaxtoolkit-accordion control. Here i give you some Code:
I'm trying to check dynamically generated "checkbox" value inside Listview.
I can reference non-dynamic checkboxes exact in same location (index) inside Listview using "e.Item.FindControl", however I can't reference dynamic checkboxes.
i want to know how to add checkboxes in listview (e.g: Approve / Dissapprove) and save it to database. i need to submit today
here is my code: Â For Each item In ListView2.Items Dim chk1 As CheckBox = item.FindControl("CheckBox1") Dim chk2 As CheckBox = item.FindControl("CheckBox2")
I followed your topic to select all rows with checkbox in gridview header and it is verygoodThis is code :
<script type="text/javascript"> function CheckAll(objRef) { var grid = document.getElementById("<%=Grd_Data.ClientID%>"); var headerCheckBox = document.getElementById("ChkAll"); var inputs = grid.getElementsByTagName("input"); for (var i = 0; i < inputs.length; i++) { if (inputs[i].type == "checkbox") { if (objRef.checked) { inputs[i].checked = true; } else { inputs[i].checked = false; } } } }</script>
But i noticed that when i deselect a row in gridview the checkbox in header is still checked.How can i fix this problem that when i deselect one row from gridview the checkbox in grid header change to be unchecked ?
how I access /retrieve values of checkboxlist inside a repeater? My code is below..is it the same as if it was not inside a repeater? My other concern is how do I distinguish these checkboxes because basically what 's going to happen here is based on which checkbox is selected I need to query an xml file to get the location of a folder which I'm then going to zip up and allow user to download..So here's the breakdown. I have an accordion panel using jquery ui. Each panel hold a product and each product has the same checkboxes..so depending on which product the user wants to download files for which he/she will indicate by opening the accordion panel for that product and checking which checkboxes/file they want to download . So how will I know which product the user clicked the checkboxes for being that I'm using this repeater which just one ID?
[Code]....
can I still use this code or will it not work cause it's inside a repeater..also I was going to use jquery to add an onclick event to the checkbox so how can I do that now with me using this control?
[Code]....
Here's another issue..I can't even assign values to the checkboxlist using databinding..so how am I suppose to do this.. Server Error in '/ArchitectView' Application. Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Databinding expressions are only supported on objects that have a DataBinding event. System.Web.UI.WebControls.ListItem does not have a DataBinding event.Source Error:
1. Branch name --> uses checkbox 2. Sub Branch Name --> uses Checkboxlist
both column data are fetched from database the table luks like this
1. (checkbox) Branchname1 Â Â Â Â Â (checkboxlist) ALL Subbranchnames 2.(checkbox) Branchname2 Â Â Â Â Â (checkboxlist) ALL Subbranchnames
etc....
if i select checkbox of branch 1 all my subbranches checkbox list should be selected and viceversa
same for branch2
I am using a javascript code which in which if i select a branch name everything in my page is selected including branch2 n its corresponding subbranch..
i have a Radio button i html table via System.Web.UI.WebControls. in the first colom is the Radio Button , and checkbox in each colom to the right, what i want is when i click the radio button it should check all the checkboxes
i want when button1 text is select all then i clcik on button then all the checkboxes will be checked and button1 text will be unselect all .... if the button text is unselect all then all the checkboxes will be unchecked ...
How to check all asp.net checkboxes on single asp.net button click event
if i have 45 checkboxes inside panel1 i want on button click event all the checkboxes will be checked and on another button click event all checkboxes will be unchecked...
I have 4 checkboxes. I need that user should atleast select one checkbox and then submit the form. But the onClick event of the button is not working. IÂ already have events for button click. See the code for reference.