Forms Data Controls :: Find LinkButton In DetailsView?

Apr 22, 2010

I'm trying to find an autogenerated delete button in a detailsview using this code but it is not working:


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Forms Data Controls :: Cannot Find LinkButton In Repeater?

Mar 25, 2011

I am very confused about this problem, and i have tried a lot of things to fix it, but for some reason it rejects finding my LinkButton..aspx page:


I have tried the following things and still getting the message the the object reference not set to an instance:




And still it tells me that the object reference is not set to an instance. I find this very strange and hopefully there's someone who can tell me where i make a mistake?

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Forms Data Controls :: How To Find Linkbutton Control Using RowDataBound

Nov 9, 2010

I am trying to find my linkbutton control using RowDataBound using the below code



but it always comes back with null the lnkButton.

What is the issue here?

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Forms Data Controls :: OnClick Of A Linkbutton - Find The Current Rows Value Of A Label

Feb 25, 2010

I have a listview with a linkbutton in it, whenever the user clicks on the link button, I want to retreive the value under:


In my code behind I have


if I change txtstartdate.text = "Testing..", it would work fine with no problem, so everything is working except just finding the value of the username

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Forms Data Controls :: Find Textbox Control In DetailsView?

Jan 17, 2011

I have a DetailsView control where I use templatefields. One of them are textcontrol tempatefield and dropdownlist templatefield.

What I want to so is, when I select let's say "Dollar" value in DropDown list, textcontrol text to be assigned "USD". Basically, text property of textcontrol to be asggined based on dropdownlist selected value.

I am trying to use something like this but it gives me an error:


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Forms Data Controls :: How To Find Control In Template Field Of Detailsview

Jan 19, 2010

I have a field that is based on membersip UserID. I can bind this to dropdowns which aren't in a detailsview just fine, but for somereason my code isnt working for finding the control properly.I have the following in detailsview.databound (where it was suggested to be placed)


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Forms Data Controls :: Find Control Name / Change Property In DetailsView

Jan 4, 2010

I can't seem to reference a control properly, so that I could then change its properties. I have 3 fckeditor controls specified in edittemplate fields, but i only want to diplay them all if the querystring equals 1. so i created in aspx.cs file: {

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Forms Data Controls :: Find A Control (TextBox) In Detailsview Using Javascript?

Oct 15, 2010

i want to find a control (TextBox) in Detailsview using javascript

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Forms Data Controls :: DetailsView DropDownList Do Not Find ListItems Entries?

Mar 30, 2010

I am using Visual Studio 10/ASP4 but I am sure this problem is me. I created a program and got it all working. GridView and DetailsView, edit, insert and delete all works. :-)... I have spent 4 solid days attempting to have a simple DropDownList with three items on it EDIT a record. Lots of GOOGLeing for suggestions. It just will not work. The insert dropdown works fine(thats how I created the record). I wrote a new simplified program with just the detailsview and the edititem dropdownlist. Still can't get it to work. The detailsview data has a record and the "mode" field (char(20)) has three letters "FTP" in it. The letters display on the Detailsview. I can edit fine but when I add the following drop down list the page aborted with a

"'DropmodeEdit' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value"

Yet there is only one record and it HAS "FTP" in it! The list has FTP in it? I just don't get it, why?

I added an ondatabinding routine and breakpointed it in the try/catch and found the selectedindex pointed to the correct entry and the items list had the correct entry with no spurious data or spaces. The data being passed displayed good in the detailsview, Am I correct in assuming that is bound to the dropdownlist automatically? or is there some majic that I did not get from Rob Burke?

<asp:TemplateField HeaderText="mode" SortExpression="mode" >
<asp:DropDownList DataValueField="mode" DataTextField="mode" ID="DropmodeEdit" Runat="server"
OnDataBinding="mode_OnDataBinding" AppendDataBoundItems="True"


I have used a dropdownlist once before with a datasource instead of listitems, this should be easier?

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Forms Data Controls :: Find Control In DetailsView Which Is Inside GridView?

Jan 25, 2011

i've a fileupload control <asp:fileupload> called (UpImage) inside the <EditItemTemplate> called (dtlAlbums) of a <asp:DetailsView> which is inside a <asp:GridView> called (grdAlbums), when i use the below code to find the control (UpImage) i get an error at the RED line that, (Object not set to a reference of an object)

// code begins here
bool CheckFileType(string fileName)
string ext = Path.GetExtension(fileName);
switch (ext.ToLower())


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Forms Data Controls :: Find Control In Detailsview Edit Template From Codebehind?

May 19, 2010

I am trying to target a control in a Detailsview in my codebehind, however I am getting an error "Name "control" is not declared" for example, i have a FileUpload field in the edit template of the detailsview, which I am trying to access as


I also tried adding a reference to the Detailsview id such as DetailsView1.FileField.PostedFile.SaveAs("directory")

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Forms Data Controls :: Find And Set DetailsView Controls In Empty Data Template In Gridview

Oct 31, 2010

I would like to find controls in the detailsview control placed in the EmptyData Template of the gridview. I am trying to create Insert new record for the gridview control.

1. If there are existing records in the table - works fine and sets my two values: I placed Detailsview and Insert Button in the footer of the gridview. I needed to set the values of two fields. When I click on the Insert button it saves new record and sets the field with the value (code attached - works fine). I also have a popup extender that opens detailsview - this works just fine.

2, If ther are not records in the table - saves record but cannot find and set controls on the detailsview Same thing setup in the EmptyData Template. The record is saved but I cannot Find and set the field value on the control.

1. Link button (on click) in the gridview footer (works fine)

protected void LinkButton1_Click1(object sender, EventArgs e)
string zupa1;
zupa1 = ddlSelectEmployee.SelectedValue;
DetailsView zupa = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1"); TextBox zupa2 = (TextBox) zupa.FindControl("txtInsertEmployee");
zupa2.Text = zupa1;
DetailsView dettraining = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1");
TextBox training = (TextBox) dettraining.FindControl("txtTrainingType");
training.Text = "4";

2. EmptyDataTemplate.FindControl - can save record but cannot access txtInsertEmployee and txtTrainingType

DetailsView zupa = (DetailsView)gvTraining4.EmptyDataTemplate.FindControl("DetailsView1");TextBox
zupa2 = (TextBox)zupa.FindControl("txtInsertEmployee");TextBox
training = (TextBox)dettraining.FindControl("txtTrainingType");"4";

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Forms Data Controls :: Link Multiple Detailsview To Page From One Master Detailsview?

Sep 3, 2010

I am trying to arrange the information from a SQL record into a 3 column by 3 row table to fit the form presentation that I want. I have placed on the page 3X3 table and then tried to place a detailsview in the first cell for the first picture called P1dv.

I have place a detailsview in the last cell that would control the paging of information called Controldv. I need to fiqure out how to link P1dv paging to Controldv page action. I am using visual web dev. 2005. I am not updating or editing these are read only views.

example of what i need the form output to look like:

picture1 picture2 picture3

name1 name2 name3

Contact1 contact2 contact3

what i ave coded as of now:


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Forms Data Controls :: Gridview And Detailsview - To Click Two Times On The Select Button To View The Detailsview?

Nov 17, 2010

Im trying to link the gridview to detailsview and I used this page as my inspiration:

But Im trying to do that programmatically, not with the sqldatasource. So I wrote the method that binds data to Detailsview and I call it in the page_load. The problem is that I have to click two times on the select button to view the detailsview. The first time I click on the select button nothing happens.

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Forms Data Controls :: DetailsView And GridView - How To Bind To DetailsView

Aug 6, 2010

I have a gridview with a Select button. Clicking the Select button for a particular item, I need its full details displayed in DetailsView. how I can bind to DetailsView? Here is what I have so far.

<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AllowPaging="True" PageSize="10" OnPageIndexChanging="countryGrid_PageIndexChanging"
CellPadding="4" ForeColor="#333333" Width="400px" Font-Size="9pt" [code].....

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Web Forms :: How To Find Command Name For Dynamically Generated Linkbutton

Jan 17, 2010

how to Work with Dunamically generated Link buttons..

I need to find the unic name of each dynamially generated linkbutton..]

Is there any way to work with that..

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AJAX :: LinkButton Click Event Is Not Working In DetailsView

Apr 27, 2016

I have been struggling with DetailsViews for a while, and try to figure out why LinkButton Click Event doesn't fire inside of detailsview:

See my code below:



I would like the linkbutton clickEvent to work in detailsview.

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Find Linkbutton Id In Javascript?

Jun 26, 2010

my linkbutton is in datalist, this datalist is in panel, this panel is in ajax updatepanelif linkbutton is not selected then need to alert a message...

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C# - Find A Control In Detailsview?

Mar 29, 2011

I want to find a control which is in the details view.

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Forms Data Controls :: Getting ID From LinkButton In GridView?

Aug 18, 2010

easiest way to raise an event from a LinkButton in a GridView, and then get the ID of the Row from where the button was clicked?

I have a BoundColumn in the same GridView which contains the ID if it.

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Forms Data Controls :: How To Add A LinkButton In A GridView

Mar 1, 2010

I am trying to add a LinkButton in a GridView that when clicked activates the the AJAX ModalPopupExtender to allow the User to Confirm if they want to Delete a Row.f they click Yes the Delete method should then take place. Unfortunately when I use a LinkButton when Yes is clicked to Confirm the deletion of a Row the LinkButtons click event is not fired.


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Forms Data Controls :: Active Linkbutton Within The HEADER Of A Data Grid?

Mar 28, 2011

I have added a datagrid where the first column is all checkboxes. I have a title in the header for the column, but right below the title I'd like to have a linkbutton called "[Check All]". I know I could simply but the button above the grid and loop thru the grid, but I was wondering if it was possible to have a link button WITHIN the grid itself in the header section? If so, how can I go about coding this?

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Web Forms :: How To Find Textbox Control Inside DetailsView Control Using Javascript

Mar 23, 2010

how to find Textbox Control inside DetailsView Control Using Javascript, I tried below but gives an error OBject reference not found


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Forms Data Controls :: Hide LinkButton In Listview?

Sep 15, 2010

How can I hide a LinkButton in a ListView's ItemTemplate if the user is not logged in?

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Forms Data Controls :: How To Get The Current Datakeyname For Row When The Linkbutton Is Hit

Jan 26, 2010

I have a linkbutton in a gridview. Now what i did before is have a select on the gridview and when that was clicked it activated the indexchanged event and i was able to get the current datakeyname. Is there a way to get the current datakeyname for that row when the linkbutton is hit.

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