Web Forms :: Preserving State Of Checkboxes While Paging In GridView Control

Apr 5, 2012

I want to preserve state of Checkbox in Gridview, I do not have Checkall Checkbox. How to use below code

[URL] ....

This code because I do not have CheckboxAll check box... How to preserve Checkbox status while paging ? 

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Data Controls :: Preserving State Of CheckBoxes While Paging In GridView Control

May 7, 2015

I downloaded the code and when the gridview loads it works; however, when I select the next gridview index page, the gridview is blank.  Don't know why it is not working like it should.

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Forms Data Controls :: Listview Control Paging Preserving The State?

Aug 31, 2010

I have a question regarding the listview control paging and preserving the state of the items on page change.

I am using listview control and datapager control to achieve paging in the listview control.

I use the listview to display list of questions like with radiobutton list options as answers...

I am unable to preserve the selection of answers between the page changes..

for eg : I If select option1 for the question1 and move to a next page. and If I come back to previous page, the selection goes.

I tried using the view state...but could get this working..

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Data Controls :: Preserving State Of RadioButtonList While Paging In GridView?

Aug 7, 2013

PRESERVING STATE OF radiobuttonlist WHILE PAGING IN ASP.NET GRIDVIEW CONTROL.

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Forms Data Controls :: How To Keep The Textboxes Values And Checkboxes Selected During GridView Paging

Aug 12, 2010

I have Grid view control in the page. Enable paging option is true.

Columns in the Grid view are ID, Name, Checked and Email

Whenever user selects the check box then I am showing txtEmail in the Email columns so that I can enter email id in the textbox.

Like this I am selecting checkboxes and entering values in the txtEmail when I go to next page and comes back. Then these entered values are cleared.

How to keep the textboxes values and checkboxes selected during paging?

I have been doing R&D for 1 day. Tried to implement.

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C# - Uncheck Checkboxes In GridView With Paging

Dec 30, 2010

I have an ASP .NET GridView with Paging. One column in it has a CheckBox. In a certain scenario, I want to uncheck the checkboxes that are checked.

foreach (GridViewRow dr in gvMyGridView.Rows)
{
if (dr.RowType == DataControlRowType.DataRow)
{
if ((CheckBox)dr.FindControl("chkIsApplicable") != null)
{
((CheckBox)dr.FindControl("chkIsApplicable")).Checked = false;
}
}
}

But unfortunately because of Paging only the records that are currently shown in the Grid can be accessed in this way. I want it to apply to ALL the items in the GridView. This should happen client side and when the user commits will get saved to the database.

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Web Forms :: Preserving State Of LoadOnDemand TreeView In MasterPage (VB.NET)

Jun 25, 2010

I have an asp:TreeView in my MasterPage, which is loaded on demand from a database using some custom functions to fill the Tree. My tree will only ever be 4 levels deep (root -> 1st sublevel -> 2nd sublevel -> leaf nodes) What I want to achieve is preserving the expand/collapse state of this TreeView while navigating between different aspx pages, that all share the MasterPage holding my TreeView. I have been using the methods described in these resources:

[URL]

but I am still not getting the results I want... My TreeView markup in the MasterPage looks like this:

[Code]....

I am using a custom class to save and retrieve the state of the TreeView, the code is pasted below:

[Code]....

In my Page_Load on MasterPage I have:

[Code]....

where Reload() makes sure I'm loading the TreeView for the correct argument (based on a user selection)
And in TreeView_Unload I have:

[Code]....

With all this in place, my TreeView is behaving almost as I want it.. I can expand the root node, it will be populated and I can browse to a new content page and have the same treeview appear in the MasterPage (with same expanded root)... BUT if I try to expand any of the 1st sublevel nodes, I end up with a completely collapsed treeview instead. After some debugging I have come to the conclusion that the "NodeExpanded" event gets the ROOT NODE as event argument instead of the 1st sublevel node that I clicked. When the user changes the option that makes the TreeView re-populate with new data, I simply do a "HttpContext.Current.Session("TreeViewState") = Nothing" to reset my saved state.

If you need more info / code snippets, let me know and I will post it.. But I felt there was no reason to post my complete source, as I have multiple files with about 500 lines of code each (there's a lot happening on the MasterPage, other than the TreeView)

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Forms Data Controls :: Paging With Datagrid And Checkboxes?

Feb 10, 2010

How do you go about making sure your check boxes are selected when you page throug the pages?

Here is the code I use to check if my Checkboxes are selected from my dataset:

[Code]....

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State Management :: Gridview CheckBox Persist In Paging?

Oct 6, 2010

Related to this thread: Gridview CheckBox Persist in Paging

Is there any other option than ViewState or Session to save the datatable ?

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Web Forms :: Delete Multiple Rows In Nested Gridview Control Using CheckBoxes

Jun 25, 2012

I have trying your solution [URL] .... in nested grid view. But it is not working with nested grid view. How to solve it.

Error "object reference not set to an instance of an object" ....

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State Management :: Session Variable, Gridview Paging And Storing The ID?

Oct 18, 2010

I have a gridview and a checkbox. I am able to pass the checkbox id to a textbox in the same page. This is then passed as a session variable. However, when I place an option to page and select the checkbox items in the next page, the session variable resets.Please see below code, how do I store "all checkbox" throughout all paging and store it in the session page?

[Code]....

Behind code VB:

[Code]....

[Code]....

[Code]....

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Forms Data Controls :: GridView Sorting, Paging And DataBinding / When Control Causes A Postback GridView Is No Longer Sorted?

Jan 10, 2011

I'm trying to extend the GridView control to enable sorting and paging for any situation.

When using my control I am fetching data from a database and filling a DataSet with it, then binding the GridView upon every page load. My first question would be, is this the correct approach?

To sort the GridView I am overriding the OnSorting method which stores the sort expression and direction in the ViewState, then creates a DataView and utalises the Sort method to sort the underlying data. It then sets the Data Source to this DataView and rebinds the GridView.

Paging is handled by OnPageIndexChanging which simply sets the PageIndex property and again rebinds the GridView.

My problem is; when any control causes a postback my GridView is no longer sorted, presumably because it is persistently rebound. If I don't rebind it then the GridView is empty on postback since the data isn't automatically stored in the ViewState. I have considered saving the data source in the ViewState but I would assume that this is bad practice for large amounts of data? - also DataViews are not seralisable.

The only solution I can think of currently is to override OnDataBound and sort the data every time. This results in a double sort when paging triggers a postback which seems inefficient. Code illustration of this below,

[Code]....

I'm looking for the cleanest 'best practice' solution as this is a learning exercise more than anything else.

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How To Remember The Selected Checkboxes Between Each Paging-press

Nov 4, 2010

I have a listview with paging. Every paging has 10 rows with with a username, an email and a checkbox.

I need to be able to check a couple of checkboxes, in different "pagings", press a button and send an email every to ever user that has been checked.

Trouble is I don't really know how to remember the selected checkboxes between each paging-press.

Deos anyone have a similar solution or a few tips on how to do this?

I'd prefer to solv this without jQuery, but ordinare javascript or a C# solution works fine.

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Forms Data Controls :: Preserving Selected Row On Gridview And Datalist On Postback?

Jan 12, 2010

I have a GridView and a DataList on the same page in a father/son relationship.I am trying to have the selected row on the GridView be in 'focus' on postback so if a person toward the bottom of the list is selected then the scroll position is maintained.I am trying to do the same with a DataList too.Heres my javascript.

[Code]....

and I have this around the GridView :

[Code]....

and this around the DataList:

[Code]....

The funny thing about this code is when I comment out the DataList portion, the GridView scroll postition works, when I comment out the GridView javascript portion the DataList scroll postion works.Is there a special way to make sure both of these can work or is it a javascript issue?

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C# - Paged List With Checkboxes, Keep The Checkbox Value Browsing Through The Paging?

Mar 29, 2010

I got a list of customers I thought I would list in a gridview or a repeater with customer html, it gone have paging. I'm gone have a checkbox for each customer in the list. Do you guys have any suggestions on how I should do to keep the checkbox value when I go to page 2-3-4 ect in the paging. I'm thinking a session to store the id of the checked customers. After I'm done setting the values they go to the database.

Do you got any other ideas then the session I'm thinking of?

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Web Forms :: Custom Paging In Asp.net GridView Control

Aug 6, 2010

currently it works if i remove the PagerSetting or remove the PagerTemplate so if have both (PagerSetting & PagerTemplate) then my page number not display.

my qeustion is: how can i display both (PagerTemplate and PagerSetting) togather at the bottom of the Gridview? plese see the below source code.

[Code]....

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Forms Data Controls :: Paging In Gridview Control Asp.net 2.0, MySQL

Feb 20, 2010

I am a new user of ASP.NET 2.0 (VB.NET)
I am facing a problem related to GridView Control

I have a table <UsersDetail> with following structure in MySQL

FIELDNAME | DATATYPE
---------------------------------------
userid | Numeric
Userlogin | Varchar(25)
Userpassword | Varchar(25)
Firstname | Varchar(50)
Lastname | Varchar(50)
---------------------------------------

I wrote a code to fetch data from this table :

Dim Con As New MySqlConnection
Dim Cmd As New MySqlCommand
Dim Adp As New MySqlDataAdapter
Dim DTable As DataTable
Con.ConnectionString = ConfigurationManager.ConnectionStrings("dbConString").ConnectionString
Cmd.CommandType = CommandType.StoredProcedure
Cmd.CommandText = "sp_FetchAllUsers"
Cmd.Connection = Con
Adp = New MySqlDataAdapter
Adp.SelectCommand = Cmd
DTable = New DataTable
Adp.Fill(DTable)
GridView1.DataSource = DTable
GridView1.DataBind()

Basically Gridview controls is used to display data in tabular format.
but due to requirement I changed its layout to columner in following manner

<asp:GridView ID="myGridView" runat="server" AutoGenerateColumns="false" AllowPaging="True" PageSize="3" Width="520px">
<Columns>
<asp:TemplateField HeaderText="User ID">
<ItemTemplate>
<asp:Label ID="Label3" Text='<%#Eval("userid") %>' runat="server"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="User Login">
<ItemTemplate>
<asp:Label ID="Label4" Text='<%#Eval("Userlogin") %>' runat="server"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Pack Amount">
<ItemTemplate>
<asp:Label ID="Password" Text='<%#Eval("Userpassword") %>' runat="server"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="For">
<ItemTemplate>
<asp:Label ID="First name" Text='<%#Eval("Firstname") %>' runat="server"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Validity">
<ItemTemplate>
<asp:Label ID="Last name" Text='<%#Eval("Lastname") %> Months' runat="server"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>

Now come to the problem, i set the AllowPaging="True" and page size to 3 records/page but when click on paging links it displays the following error :

The GridView 'myGridView' fired event PageIndexChanging which wasn't handled.

Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: The GridView 'myGridView' fired event PageIndexChanging which wasn't handled.

Source Error:

[Code]....

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Forms Data Controls :: GridView Paging - Paging Links Not Use JavaScript?

Nov 18, 2010

Is there a way to use the GridView paging and having the links not use JavaScript. So that when you click on the page number 5 (for example) that link is a hyperlink.

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Forms Data Controls :: Create User Control For Gridview Paging?

Jun 21, 2010

I want to create user control for gridview paging, so it may be reusable for every grid in my application, my user control should be like below, how its possible

eg: previous 1,2,3,4,5,6,7,8,9,10 More If i clicks more link next 10 pages of records should be visible, how its process?

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Listbox Control Not Preserving Selected Item On Button Click

Mar 26, 2014

Ok so I have two listboxes on my page one for users and another for cases. For some reason the users listbox preserves state, but the cases listbox doesn't.

They're both set EnableViewState= true

Code:

<asp:ListBox ID="ExistingUsers" runat="server" Width="45%" Height="189px"
CssClass="createdusers" ></asp:ListBox>
<asp:ListBox ID="ExistingCases" runat="server" Width="45%" Height="190px"
></asp:ListBox>

I tried setting them both to autopostback, but that didn't work. The users listbox would preserve the selected item, but make it the first viewable item in the list. The cases listbox still reset the selected item to the first.

My page load:

Code:

'....
If Not Page.IsPostBack Then
''Sort later.
Dim i As Integer = 10
For Each usr As String In AttRoleProvider.GetUsersInRole("Role1")
Me.ExistingUsers.Items.Add(usr)

[Code]......

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C# - Adding User Control To Page Programmatically While Preserving Controls Already Present

Mar 25, 2011

I am trying to add a user control into a div at runtime. I can add the control no probelem but it overwrites the previous control added.Basically, I am trying to add passengers to a travel system - the passenger details are in the user control and I don't know in advance how many there will be. I have an add new passenger button which should append the new user control into the div without overwriting the previous passenger. The code is c#/.net 4. I have tried to save the control data into viewstate and re add it with the new one but that also doesn't work. Here is a snippet of the code I'm using

foreach (Control uc in p_passengers.Controls) {
Passenger p = uc as Passenger;
if (p != null) {
p.SaveValues();
}
}

however, p.SaveAs() (just writes the control values into ViewState) is never hit.

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Forms Data Controls :: How To Find Total Row Counts With Gridview Control And Default Paging Enabled

Feb 3, 2010

how to get the total row counts in a Gridview control with default paging enabled? My gridview control is bind to an ObjectDataSource control.

The problem I am having right now is that when I loop through the gridview control, it only contains the total row for the current page being displayed on the screen and not

the total row in the entire grid. I am using the the for each loop.

foreach (GridViewRow row in this.MyGridView.Rows)

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C# - Efficient Gridview Paging Without Datasource Control?

Mar 25, 2010

I am trying to do efficient paging with a gridview without using a datasource control. By efficient, I mean I only retrieve the records that I intend to show.I am trying to use the PagerTemplate to build my pager functionality.In short, the problem is that if I bind only the records that I intend to show on the current page, the gridview doesn't render its pager template, so I don't get the paging controls.It's almost as if I MUST bind more records than I intend to show on a given page, which is not something I want to do.

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C# - Can Create The Paging User Control For Gridview

Nov 4, 2010

reference to create Paging User control.

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Web Forms :: Maintaining Checkbox State While Repeater Paging In C#

Aug 17, 2010

How to maintain selected CheckBoxes' states in different pages inside the Repeater control and list out the selected checkboxes values.

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