Forms Data Controls :: Adding Rows Dynamically To Gridview?

Oct 20, 2009 01:12 PM

I have a gridview to which i want to add rows dynamically at any position just as in excel..


If there are 10 rows in gridview and if i want to add a new row below or above 5th row.. how should i achieve it.

I don't want to do it by using gridview footer, as the row is getting added up at the bottom and not getting added up in between.

i tried using insertat Position(...) .... but could not acheive it.


Forms Data Controls :: Adding Rows In Gridview Dynamically At Any Position?

Sep 18, 2009 05:39 AM

I have added blank rows in gridview(through footer), but the rows are added at the end of the grid.

so i would like to add rows dynamically at any position just like we achieve it in excel, but by adding rows through a button outside the gridview.

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Forms Data Controls :: Adding Rows (without Using A Footer) At The End Of A GridView's Rows?

Nov 23, 2009 02:44 PM

I am trying to create a Sign-In sheet populated with the e-mails of registered users for a course. The twist is that the sign-in sheet must be prepared to accept unannounced students and thus requires the ability to display blank rows if the number of enrolled,students is less than 30.

I attempted using some variation of the code located here: However, despite extensive modification to suit my needs, it appears that I may have to settle for the tried and true DataTable Binding to Grid View method. Ideally, I would like to learn a non-DataTable alternative for the sake of breaking routine,Here's the code behind:

The rows do not appear where I expect them to do so, sadly. They seem to ignore the index (or think that the Rows.Count value is 0). Perhaps this is because I am calling the function on DataBinding (instead of after DataBinding)?

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Forms Data Controls :: Dynamically Adding Rows To A Table

Apr 19, 2010 07:55 AM

I need to let my user add rows dynamically to a table, and after doing some research, it seems the best way to do this is through a GridView bound to a DataTable. However, I'm really struggling adding dropdownlists to the datatable, and this showing them in the gridview.

Here's the design I want:

ddl1 | ddl2 | ddl3 | ddl4 | ddl5 | ddl6 | ddl7 | textbox

When the user opens the form, he or she will be presented with one row. ddl2 etc will be populated when ddl1 is selected etc etc. When appropriate, the textbox will be enabled allowing the user to enter a comment (this is to report errors, and since users are, at best, not to trust to write the same thing twice, I need to use ddls.

Now comes the question - how do I add a ddl to the datatable? I've tried several ways, but I cannot get them added.

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Forms Data Controls :: Dynamically Adding Rows To Table (html)?

Dec 22, 2010 03:55 AM

Here I am binding a gridview. I dont know exactly how many rows it will exists. there may be from 1 to n rows possible there are 4 columns.

Now what I want , i.e. after gridciew binds records, suppose there are 4 rows are bounded to gridview, I want to send all rows data through mail, but in my html format there are fixed rows. I want to add rows according to throws which gridview having.

suppose gridview binds 3 rows the mail format should be like this

Date From Date To Place Days
12/12/2010 14/12/2010 Mumbai 2
12/12/2010 16/12/2010 Goa 4
12/12/2010 20/12/2010 Pune 8

1. first tell me how to get this data from gridview in variables so that i can put them in my mail format

2. this condition if grid bind only three records cos I have fiexd rows in my html format.. but if grid is haing 5 records then how will I add rows to table in my mail html format

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Forms Data Controls :: Adding Rows To Gridview

May 11, 2010 06:20 PM

I have been tinkering with a adding row to gridview code from [URL] I have been able to adapt it to my needs but I would like to have the user edit the select statement that shows the initial gridview form.





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Forms Data Controls :: Adding Rows Into Gridview In C#

Aug 16, 2007 11:00 AM

I have made a gridview and it is empty. I have 4 textboxes and a button.whenever a user hits the button, the contents of those textboxes should be added into the new row of a gridview. i know how to populate gridview from sqldatasource but how to populate a gridview manually?

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Forms Data Controls :: Adding Rows To GridView During Runtime?

Dec 10, 2010 10:23 PM

I am creating a web application that displays URL to users in a GridView. The application has a code behind that will be doing the processing before it can return me a URL. This is done in a loop. So it looks something like :


What I wanted is to make the Gridview always update the rows everytime an item in the loop is done instead of waiting for the loop to finish.

For now, the application will only display the whole table until the code/loop finishes. I'm very much aware that this will happen because the web page is static in the first place. Does anybody know how to do this?

I have tried of using iframes(I thought of reloading the frame so the whole page wont reload again and a new GridView table would appear because of the code in Page_Load event because I tried placing the data in a separate static class and the GridView.aspx page will just retrieve the values upon every reload)

and I'm not sure how to implement AJAX/Javascript with this. Is Animation involved in this kind of situations?

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Forms Data Controls :: Adding Rows To GridView With TemplateFields

Dec 15, 2009 11:21 PM

I have a GridView for adding Items. I have been adding items from a panel which adds, one at a time, each record of this GV. I want to handle the insertion of these records from the GV. My current code is as follows:



I don't know how to establish the DataTable to be this GridView's DataSource. I have this for my DataTable:


How can I add rows with the values I choose in the rows in my GV. I would also like to fill this GV, from a DataTable containing records from the database, if the user chooses to, and be able to add new records following the same pattern as before. My DropDownList fills from another DataTable, I'm having no problem filling it and showing it in the current row in the GV. I tried to insert this row programatically to my DataTable:


And I received the following error:

System.IndexOutOfRangeException was unhandled by user code
Message="Cannot Find Column 0."
en System.Data.DataColumnCollection.get_Item(Int32 index)
en System.Data.DataRow.set_Item(Int32 columnIndex, Object value)
en vtas_frmAnticipo.btnAddItem_Click(Object sender, EventArgs e) en C:sales.aspx.vb:line 194
en System.Web.UI.WebControls.Button.OnClick(EventArgs e)
en System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)
en System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
en System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
en System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
en System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

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Forms Data Controls :: Adding Multiple Header Rows To Gridview

Oct 22, 2010 09:19 PM

I'm having difficulty adding a repeating header row, every x rows, to a gridview. I'm able to add the header only once with the below code. For some reason it will only add it during the last iteration through the for/next statement. I tried manually adding three separate .addat statements to different rows and it only executed the last .addat statement. I couldn't find any information on why it's only working the one time and I hope someone has a fix or better solution.

Code snippet (Note the IsWhole() function verifies that the rownumber divided into a whole number):
Protected Sub Gridview1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles Gridview.DataBound
Dim grid As GridView = TryCast(sender, GridView)
If grid IsNot Nothing Then
Dim row As New GridViewRow(0, -1, DataControlRowType.Header, DataControlRowState.Normal)
Dim header As GridViewRow = POSTURE_RESULT.HeaderRow
For i As Integer = 0 To POSTURE_RESULT.Columns.Count - 1
Dim TableCell As New TableHeaderCell()
TableCell.Text = header.Cells(i).Text
Dim t As Table = TryCast(grid.Controls(0), Table)
If t IsNot Nothing Then
For i As Integer = 0 To Gridview1.Rows.Count - 1
If IsWhole(i / 5) Then
t.Rows.AddAt(i, row)
End If
End If
End If
End Sub

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Forms Data Controls :: Dynamically Increment Rows In A Gridview?

May 27, 2010 10:51 AM

I need to load n number of rows to a gridview without data binding.. I am assisgning the values to the gridview.Rows[i].cells[0].Text="value" . at this time i need to increment the number of rows in gridview based on the number results ...

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Forms Data Controls :: Increase The Rows Of Gridview Dynamically?

Dec 15, 2009 09:43 AM

recently i am working on gridview.The problem that i have been facing is that i need to insert textbox in gridview and row of gridview need to be automatically incremented as per user input.Therfore,can anyone help me out from this problem?

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Forms Data Controls :: Gridview Save Existing Data When Adding Rows Via Arraylist?

Jan 19, 2010 01:48 AM

I have a gridview that contains template fields with textboxes that is used to look up inventory items. The page loads using an arraylist to display a gridview control with a predetermined number of rows. There is also drop down control that allows the user to add additional rows to the gridview if needed.

Currently when a user has already entered some data if you use the drop down to add more empty rows all the original entrys are removed. I want to save the original data and then add empty rows at the end.


Private Sub LoadDataGrid(ByVal numberOfRows As Integer)
Dim Counter As Integer
Dim GridList As New ArrayList
For Counter = 0 To numberOfRows
GridList.Add(New LibVB.Form2VB(Counter))
gvEnterParts.DataSource = GridList
End Sub

I'm lost, kind of a newbie to .net, have been working on this for 2 days! d.

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Forms Data Controls :: Adding Rows In GridView With Edit / Update And Delete Functionality

Dec 10, 2009 06:48 AM

i am using the following the coding to edit and update adding rows in gridview.. but it is not working Is there any mistake in the following code:


I am getting the following error msg:

"Conversion failed when converting the nvarchar value '__Page' to data type int"

I am using the nvarchar for hours in the database.. i am using SQL2005 for database

Also i am using the coding from the following website


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Forms Data Controls :: Adding Specific Number Of Blank Rows After Binding Gridview With Datasource

Jan 29, 2011 08:14 PM

i hav a gridview ... now i need to add certain number of rows... say 5 rows .... which would b blank .. the rows consist of itemtemplate of textboxes.. here is the grid ...


now i am binding this gridview with certain data say :


now the problem is if the row contains 2 data originally ... then it alwz shows up with only two rows with binded data... but what i want is 2 (databinded rows ) + 5 (empty rows with textbox ) = 7 grid view rows .... now how to do it ... after i hav binded the textbox with data already....with some empty columns corresponding to the above code ?

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Forms Data Controls :: Adding A Row Dynamically To The GridView Control?

Dec 09, 2009 05:10 PM

I was wondering has anyone ever added a row dynamically to a GridView Control?

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Forms Data Controls :: Adding DropDownList Dynamically In GridView?

Sep 10, 2007 03:41 PM

I have grid view and I want to add Drop Down list to it on the first row of the grid. That drop down list will contain product names when I will select product name it will show initial value of that product in the grid and some other information.

I have 2 tables
1. Products
ProdInvoicePrice(same as Initial Price)
Trade Price

Now dropdownlist will contain ProductType table and will contain only ProductName so when i select one productname and enter the details I want another dropdown list should be populated in another row.

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Forms Data Controls :: Dynamically Adding Second HeaderRow To GridView?

Mar 15, 2011 04:27 PM

I've read a few articles on this, but I keep doing something wrong, and I'm not sure what. I took out all of my customization and just want to add a single header row to the very top of my GridView... Can someone show me how I'm screwing up? This is the code I'm trying to use...


I have tried a few different ways of referring to the GridView table... e.row.parent, gv1.controls[0], etc, but nothing seems to work.

I don't get any errors, just nothing ever shows up when the GridView is rendered. I can't find the code using Firebug to look at the HTML either... what am I doing wrong?

(have also tried using "0" for the rowIndex when creating the new GridViewRow)

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Forms Data Controls :: Dynamically Adding Button On A GridView?

Oct 27, 2009 12:11 AM

I'm dynamically adding button on a GridView _RowDataBound event something like e.Row.Cells[0].Controls.Add(CustomExecuteButton()); Works well. :)

Next challange is i need to wrap it around HTML SPAN tag.

Since Controls.Add does not take string, how do i wrap it with SPAN.

private Button CustomExecuteButton()

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Forms Data Controls :: Adding Columns To A Gridview Dynamically?

Nov 11, 2010 01:42 PM

is there a way I can add a column dynamically from code behind to the gridview in my page?

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Forms Data Controls :: Adding Tag Dynamically In The DataRow Of A GridView Control?

Jan 24, 2011 04:51 AM

I am working on application and code behind is c#

I am having gridview and adding the data to the gridview in the following manner.


Now i want to add <div> element like the one below after the table row <tr> in the generated html


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Forms Data Controls :: Adding Gridview Template Column Dynamically?

Oct 07, 2009 12:15 AM

I am having a problem in adding template colum with textbox at runtime, when i click on button it wont add the column but when i press it again for ading second column then it add the first column to the gridview..

here is my code on button click event...

DataTable dtSizeDiscount = ((DataTable)(Session["SizeDiscount"]));
DataColumn dc = new DataColumn();
dc.ColumnName = "$" + txtSize.Text;
dc.DefaultValue = "0";

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Forms Data Controls :: Gridview Rebind Wrong After Adding Row Dynamically?

Nov 16, 2009 08:22 PM

I have a gridview that I am adding a row to dynamically in the _RowDataBound method of the grid. It works perfectly on the presentation side, but on Postback and rebind of data,where the new rows were originally added, there is no data-that is, the data remained in the original row positions, but some of the data I entered in fields moved up.

When running through the debugger, it looks like the grid is being bound to the original positions, of which one position was a dynamic row I inserted, as below.

Everything is 'shifted up' the number of dynamic rows added.

how to rebind correctly when dynamic rows have been added by hand in the following fashion?

Table tbl = e.Row.Parent as Table;

if (tbl != null)
GridViewRow row = null;
TableCell cell = null;
row = new GridViewRow(-1, -1, DataControlRowType.DataRow, DataControlRowState.Normal);
row.CssClass = "rowError";
cell = new TableCell();
cell.ColumnSpan = gvActACHs.Columns.Count;
cell.Text = dMessages[ACHID.ToString()];
//Add row to grid
tbl.Rows.AddAt(tbl.Rows.Count, row);

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Forms Data Controls :: Adding Linkbutton Field As Column In Gridview Dynamically?

Mar 24, 2011 06:31 AM

am binding a gridview to datatable ...and now i want to add a linkbutton/hyperlink as one of the columns in gridview (similar to checkbox field) adding the Lbtn inside a template field ,but i want that column to come as last column ..but its coming as first column,,,how to acheive that??

moreover ,whn i clk on eack linkbutton a pop-up window has to come with submit and save and close buttons and functionality(is it better to use linkbutton or hyperlink??) using vs 2005

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Forms Data Controls :: Adding Interactive Checkbox To Dynamically Created GridView In C#?

Sep 09, 2009 12:17 PM

There is a existing application which populates gridview at runtime. Now one of the field (Status) in resultant query from Sql Server returns true or false. This query is used to populate gridView.

Now my task is to present the status field in checkbox in GridView. And give user the option of selecting multiple checkboxes to as to change the status of records at one go.

how do I generate checkbox (based on status field) to dynamically created gridview?

Following is how gridview binds to a dataTable.

gridview.DataSource = dataTable;

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Forms Data Controls :: Get Cell Values In A GridView After Dynamically Adding Validation Controls?

Mar 31, 2010 09:33 PM

So I have a gridview control and I am binding it's datasource dynamically base on a dropdownlist. The gridview contains autogenerated columns with auto generated edit buttons. The datasource binded to the gridview is IQueryable<T> where T will be different for different datasource.

My detail problem is below:

A GridView binded to datasource dynamically with all autogenerated columns. When user click edit link, it will display value in autogenerated textboxes.

When user click update link, I am able to capture the user entered value in the textboxes in RowUpdating event, then pass those values to Linq update function to update the database. Now, the problem begin when I try to dynamically add validation controls to each editing row. In RowDataBound event, I am checking the editrowindex then adding validation control to gridview cell and pointing to cell.controls[0] which is the textbox control when the row is in edit mode, I am dynamically setting the textbox control id so that the validation control can set controltovalidate property. The validation control works, but the updating function is setting everything on the grid to empty string.

I am check the textbox text value in the loop, which returns "" for all cells except the id column. It was returning the correct value before I add the validation control. I guess since I added the validation control on rowdatabound event, will it rerender it's own autogenerated textbox in edit mode so that the text value of textbox no longer available in rowupdating event?

Is there a better or correct way to get the cell textbox value? I am using ((TextBox)dc.Controls[0]).Text where dc is DataControlFieldCell in rowupdating event.

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Forms Data Controls :: Dynamically Adding Controls To Gridview?

Jun 03, 2010 08:32 AM

I am adding an Image control to grid view in its Row created event.But i am not able to find it in Rowdatabound event handler.

And the image is not getting displayed also.

Now if the move the code to create the Image control dynamically from Row created to RowDatabound event then it is getting displayed.

find my code here..




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Web Forms :: Adding New Rows To HTML Table Dynamically

Mar 16, 2007 05:46 AM

I have a problem. What i need is to increase the rows and columns of an HTML table on postback. ie, dynamically increase a HTML table and want to add a new dynamically generated web server textbox to the new cell created. What to do?

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Web Forms :: Adding Rows Dynamically To A Table Using Masterpages

Dec 01, 2010 05:40 AM

I am using ASP.NET3.5, I want to Add rows dynamically to a table.I have written this code.This code is working fine if the Page is not having masterPage file. If I use masterpagefile in my ASPX age,controls(textboxes) are displaying at bottom of the page,and the data in textboxes is not retaining after click on Add button.Disaapering the text box values. My .Aspx:


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Web Forms :: Adding Table Rows Dynamically Only Works First Time?

Jan 13, 2010 03:08 AM

I've been searching for hours trying to figure this out. I understand that somehow I need to recreate the control in page_load. I think seeing the code will let us better understand what I'm trying to do.


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Forms Data Controls ::working On Setting Up A Gridview That Dynamically Creates New "columns" After A Set Amount Of Rows?

Mar 10, 2011 09:04 PM

I'm working on setting up a Gridview that dynamically creates new "columns" after a set amount of rows. To do this, I bind a datasource to the Gridview and then add new cells and shift the other items into those cells. I seem to be having an error with the link buttons that I move around. All of the items get put in there correct location, but for some reason, when I click a link button that has been added to a new cell, the sender's text is the LinkButton in the original cell's text. Does anyone know why this would be happening? Is the gridview not meant to be manipulated after it has been data bound? This is the code that I use to update the gridview.


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Forms Data Controls :: How To Find Control Problem In Gridview While Adding Checkbox Control Dynamically

Mar 15, 2010 12:02 PM

i have a gridview control i added checkbox contrl dynamically but i am not getiing the reference of checkbox in button clilck event here is my code Gridvew


.vb code


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Adding A New Entry Of Rows Dynamically

Mar 19, 2010 02:05 AM

What are the best practices implementing this situation:

Members Area:

Name Age Location Contact Num
Joe 16 New York xxxxxx Add Button
Save Button

Once the Add button would be clicked, another set of entries can be entered below the previous row.

Once the Save Button will be clicked then all the entered data would be save to a table on a database..

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Counting Rows In C# After Dynamically Adding Them With JQuery

Dec 15 10 at 2:32

I just have a simple ASP Table seen here:

<asp:Table ID="tblCategories" runat="server" CssClass="oneColTable padded-table dataTable">
<asp:TableHeaderRow CssClass="tableHeader">
<asp:TableHeaderCell>Category Name</asp:TableHeaderCell>
<asp:TableHeaderCell Width="50">Delete</asp:TableHeaderCell>

And if the user wants to add an additional row I use the jQuery Clone method to copy and append a new row.

My issue comes when I want to count the rows present on the C# side it always lists 1 Row. The row for the header entry.

How can I correctly grab the accurate row count on the C# (Codebehind) side?

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Forms Data Controls :: Adding Rows To A DataGrid?

Nov 18, 2009 12:48 AM

I am trying to mimic the behavior of adding an attachment. My idea is to create a datagrid then a button which when clicked adds a new row to the datagrid. How do I do this? Do I have to use a datatable first? I was given specific instructions not to use DataTables. Is there any other way?

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Forms Data Controls :: Adding Empty Rows?

Jan 03, 2011 02:57 PM

Adding empty rows?

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Forms Data Controls :: Adding Values From Different Database Rows To A Dropdownlist?

Feb 11, 2010 06:16 PM

Is it possible to add values from different database rows to a dropdownlist?

I'm currently trying to add both ItemSizeSmall and ItemSizeMedium, but through trial and error I can still only add one row from the database. I want the dropdownlist to display "Small" and "Medium" etc.

I guess my primary question is: How do I create a database with product size attributes?

I apologize if this thread should be in another forum, but if the dropdownlist can display two database rows I'll settle with that solution.

Could the database look like this:

table1: product
PK: productID
table2: productAttribute
PK: productID
PK: attributeValueID
table3: attributeValue
PK: attributeValueID
FK1: attributeNameID
table4: attribute
PK: attributeNameID

If this is right: How do I make the dropdownlist display the different sizes?

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Forms Data Controls :: Adding Rows To Grid View Based On Characters In Data?

Dec 20, 2010 06:50 PM

I have a piece of data that has a refererence number and then account name that looks like this in the database:

111111,Member Account~222222,Trial Account

I have the data spitting out just like that in a grid view, but I am wondering if there is some C# I can put in to where it adds a column when there is a comma and another column when there is a ~ in the data?

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Forms Data Controls :: 3 Gridviews In Tabcontainer And Adding Checked Rows On Paging?

Mar 15, 2011 04:14 PM

i need to show 3 gridviews in a tab container (ajax).. which should refresh at same time.. what is the optimal way to get data from database for that can some one show a solution for this .

i need to design an application in using gridview custom control. the gridview will show hundreds of records using paging with checkboxes in every row. if the user checks 3 rows in first page of gridview which is showing 9 rows, those 3 rows should appear on top in the next gridview page and the page should display only 6 new records. ie 6+3=9 similarly if user checks 2 more rows, the next page should show 3+2 rows(from first 2 pages) on top and only 4 new rows ( 3+2+4=9)software developer

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Forms Data Controls :: Dynamically Add Fields / Rows To DetailsView

Aug 20, 2010 01:24 PM

I have created DetailsView in designer page with SqlDataSource, Details view is with autoGenerateRows="false" i.e. I have declared my own fields. it is fine there, but what if I want to add these fields dynamically from codebehind with select & edit commands. I want to to use Details View in designer page and want to add fields from codebehind

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