Forms Data Controls :: Gridview.FindControl Of An EditItemTemplate Dropdownlist?

Mar 28, 2011

I have a dropdownlist embedded into an gridview. I have successfully populated the dropdown list in the footer but have not been able to populate the dropdownlist in the EditItemTemplate. Here is my code that works. I need to do the exact same thing for a dropdownlist embedded in the update functionality of the gridview.


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Forms Data Controls :: DropDownList With Dynamic Datasource In EditItemTemplate In Gridview?

Mar 2, 2011

I have two embedded dropdown lists in Gridview control. One gives you business channel options and the other represents products depending on the business channel selected.I am trying to use different data sources for product dropdown list depeding on what the user selected from the business channel drop down list. How could I do this. Here is my current code:


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Data Controls :: DropDownList In GridView EditItemTemplate

Sep 30, 2012

web in code+sql database

i hvae a database named anil and TABLE NAMED COURSE_IN fields are (gridview with regnumber,name,dtjoin, qual, OY, OTY,VDA) and another table course with (OY, OTY,VDA) fiedls. my grid view displays adata from databse with edit facility.

one dropdownlist out side grid selected value is displayed in gridview


<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
DataSourceID="SqlDataSource1" DataTextField="ENTRY_COURSE"


<asp:GridView ID="GridView1" runat="server" AllowSorting="True"
AutoGenerateColumns="False" CellPadding="4" DataMember="DefaultView"
DataSourceID="SqlDataSource2" ForeColor="#333333" GridLines="None"
style="font-family: Arial; font-size: small">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#FFFBD6" ForeColor="#333333" />

[Code] ....

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Data Controls :: DropDownList Control Shows No Data When Bind In EditItemTemplate Of GridView

Sep 6, 2013

I have requirement to bind ASP.Net DropDownList control in EditItemTemplate of GridView.

I preferred the tutorial:


i have followed same steps just but difference is i have a edit imagebutton with commandname="Edit".Also dropdown needs to be binded from different table(directory) and not the table through whicch grid is binded(details).

if (e.Row.RowType == DataControlRowType.DataRow && (e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit && GridView1.EditIndex == e.Row.RowIndex)
DropDownList DStatusEdit = (DropDownList)e.Row.FindControl("DStatusEdit");
string query = "select distinct status from directory";
SqlCommand cmd = new SqlCommand(query);
DStatusEdit.DataSource = GetData(cmd);


the page is running but when i click edit image button the dropdwn shows but no data in dropdown binded it is empty.

My gridview is inside update panel.

How can i achieve this?

Should dropdownlist in my case be binded inside rowcommand and how?

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Forms Data Controls :: Bind A Dropdownlist Which Is Present Only In The EditItemTemplate

Jun 15, 2010

I am handling the row databound event. I need to bind a dropdownlist which is present only in the EditItemTemplate.

So it is throwing:

DropDownList ddlAccountingPeriod = e.Row.FindControl("ddlAccountingPeriod") as DropDownList;

this throws a null exception as the dropdown is not present in the ItemTemplate.

Is there a way to check whether it is itemtemplate or edititemtemplate.

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Forms Data Controls :: How To Bind Dropdownlist In EditItemTemplate In FormView Control

Aug 16, 2010

Using Visual Web Developer Express 2010 with ASP.NET 4.0.

I have a FormView and I want to set a default value from the database. I can't get it to bind to the value in the database. My FormView looks like this:


The EditItemTemplate does not even load when I click the edit button on my FormView control, but I don't get an error message either.

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Forms Data Controls :: How To Update EditItemTemplate According To Selection Of Another EditItemTemplate

Mar 24, 2011

I have a gridview and it has two EditItemTemplates. I want to update the items inside the second dropdown (EditItemTemplate) when I select an item from the first dropdownlistbox (EditItemTemplate). I want to update dropdownlist2 when I select an item from dropdownlist1. How can I do this?


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Forms Data Controls :: FormView EditItemTemplate DropDownList Loaded From Codebehind Via Stored Procedure?

Sep 3, 2010

I'm attempting to load DropDownLists from the C# codebehind as the FormView switches modes to Edit and displays the EditItemTemplate. I present the data in a FormView ItemTemplate using text boxes. When the user selects Edit, I have been attempting to load the EditItemTemplate dropdownlists by creating a dataset and binding it to the control, without success.

I've successfully loaded them in previous projects from within the .aspx code using <asp:ListItem> and within the C# code behind using Control.Items.Add(new ListItem), which are essentially the same thing of course . This project is different in that I want to get the data from a stored procedure on a MSSQL server.

In my latest attempt, I can see the data in the datasets. I'm getting "Error connecting to database.'eitRace' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value"

I include the code below. If someone could point me to an example I would be greatful. There has to be an elegant way of accomplishing this.


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Forms Data Controls :: FindControl Dropdownlist In ListView ItemTemplate In Page_Load?

Jun 29, 2010

I'm trying to do a relatively simple thing, but just cannot get it to work. I'm trying to find a dropdownlist within a ListView ItemTemplate within Page_Load.

This is the code


And this is the C#


I have also tried without this > this.ListView1

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Data Controls :: Find DropDownList Control In Listview EditItemTemplate?

Oct 21, 2012

I have a dropdown list within a listview 'EditItemTemplate' and 'InsertItemTemplate" which I am trying to populate from the database with code behind with ItetmDataBound event. Problem is I am getting NullException when I use this code which works fine for ItemTemplate.

<asp:DropDownList ID="ddlItemtList" runat="server">
<asp:ListItem Selected="True" Text="--Select Item--" Value="0" />

I get the "Nothing" as output whever I press edit. How do I access the DropDownList withint he Listview?

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Forms Data Controls :: Dynamic EditItemTemplate In A Gridview?

Apr 13, 2010

I create dynamicaly a gridview and with to also create the EditItemTemplate dynamically.

This is how I add dynamically columns to my gridview.


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Forms Data Controls :: Default Value For GridView EditItemTemplate Field?

Feb 25, 2010

I have GridView with template column binded to some field. In edit mode I would like to set default value to this field when it is not initialized (this is time value and I would like to set it to default 8:00 - this prevent user from entering this value) - how to do this?

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Forms Data Controls :: Updating GridView With A Dropdown In Edititemtemplate?

Apr 10, 2010

When i Updating my gridview and i modify the value of dropdown the update is all ok, but if i not modify the dropdown and leave the selected value after the update i see another value, the first of listitem of my dropdown.

This is my code:

Sub GrdUpdate(ByVal sendere As Object, ByVal e As GridViewUpdateEventArgs)
Dim ID_ricette, NomeRicetta As String
Dim NomePortata As DropDownList
Dim NomePortataSel As String
If Not e.NewValues(0) Is Nothing Then
ID_ricette = e.NewValues(0).ToString
NomeRicetta = e.NewValues(1).ToString..........

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Forms Data Controls :: How To Show ItemTemplate INside EditItemTemplate Of GridView

Nov 19, 2010

How to Show ItemTemplate iNside EditItemTemplate Of GridView

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Forms Data Controls :: Handling Dropdown List In A Gridview For EditItemTemplate?

Feb 26, 2010

I have a gridview and I do Add, Modify and Delete operations. I am comfortable adding and modifying any text or date value. Now, I have a dropdown list to be displayed. I need to add and modify. The contents in the dropdownlist is fixed. Below is the code. I know there is a problem in my

HeaderText="Leave Type">


What is that I need to have code for EditItemTemplate

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Forms Data Controls :: Gridview FindControl / Access Textbox In Second Gridview Footertemplate

Mar 17, 2011

I have nested 2gridview. I want to access textbox in second gridview footertemplate. How can I do this.My code is


Code Behind


Iwrite this code but I get

Object reference not set to an instance of an object.

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Forms Data Controls :: Editing The Gridview Data On The Edititemtemplate?

Apr 15, 2010


ths is my html code here i am editing the gridview data on the edititemtemplate itself but it shows error when i am going to get the testiActive .And also the when i delete it shows the object Reference exception. i do no what the issue the same thing i used on the updating - there i got the id value - when i am going to delete it show error ther.

[Code].... and here is the updating code

[Code]....this is my Gridview_Deleting Code

string id = ((TextBox)GridView1.Rows[e.RowIndex].Cells[0].FindControl("testid_TextBox")).Text;

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Forms Data Controls :: How To FindControl In Gridview

May 7, 2010

I have a dynamic gridview in which i need to add textbox, checkbox, imgButton in the cell dynamically.

At the moment user click on the imbgutton, a click event fire and i need to capture the user input on the checkbox and textbox of the particular cell.

I have problem in finding out the checkbox and textbox control in the imgbutton click event. The cause is i do not know which row in the gridview i need to search to for the control.

I have try gridview.Fincontrol but fail.

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Forms Data Controls :: How To Use The GridView FindControl

Jan 6, 2010

using the GridView FindControl.

What I've done is I've setup a Gridview with a datasource to show only 1 of the columns I need from the datasource, but I also have another ItemTemplate Column in which I have a dropdownlist with another datasource that I've bound to the dropdownlist.

What I need to do is have the dropdownlist show the selected one when compared to a id from datasource in the gridview.

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Forms Data Controls :: How To Using Findcontrol In Gridview

Mar 11, 2010

i have button field in grid view, basicly i want to show to in some of the row only, but i cant find the "ID" using find control

This is my aspx code


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Forms Data Controls :: GridView TemplateField - How To Access EditItemTemplate Controls

Aug 17, 2010

I have a "simple" gridview that has some columns, and the ability for editing/deleting. I recently found that I can change the editing textbox to a dropdownlist and have follow that, using:


It's quite simple and instead of using an sqldatasource, I have successfully implemented using the sqlclient in the codebehind to bind data only when I want (since this GridView is for "reports" and is queried by many parameters from user inputs).From what I've found online, the only way people have populated the dropdownlist is by using an sqldatasource - is there any way to populate it using the codebehind sqlclient like I have for binding the gridview and other dropdowns on the page that are exactly the same actually. I'd obviously have to set the SelectedValue to be what the value is coming from the database, which I can't see being that difficult.

The tough part seems to be knowing when to access this "MoneyTypeEdit" dropdownlist. I thought it would be in the RowEditing event, so I tried something like:


And I know everything outside of the "inserted code" works, because it was fine before I added that, but the dropdown obviously didn't have any values. And I know the code inside the "inserted code" works because I use it somewhere else on my page to populate a similar dropdown. But I get the error that MoneyTypeEdit is null, and I'm guessing it's because it can't find the "MoneyTypeEdit" dropdownlist.

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AJAX :: FindControl DropDownList In GridView Into UpdatePanel?

Mar 4, 2011

i have a gridview in updatepanel in this case:


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Forms Data Controls :: GridView: Get E.Row.Cells From FindControl?

Nov 10, 2010

Can one use the findcontrol to access the row.cells value? (C#)




I though that this would work, but alas no.

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Forms Data Controls :: FindControl Failed To Work For GridView

Nov 8, 2010

I have a gridview with several ItemTemplates. The first contains a checkbox the rest contain textboxes. I then added dynamically some bound controls like this:

BoundField bdfPrivName = new BoundField();
clsUtilities.SetBoundFieldCenter(ref bdfPrivName, "PrivName", "Priv Name");
BoundField bdfDescription = new BoundField();
clsUtilities.SetBoundFieldLeft(ref bdfDescription, "PrivDesc", "Description");
BoundField bdfLive = new BoundField();
clsUtilities.SetBoundFieldCenter(ref bdfLive, "Live","Active?");

I then use FindControl to locate the checkbox and textboxes and perform my logic based the result
foreach (GridViewRow gvr in grdMissing.Rows) {
mckbAny = (CheckBox)gvr.FindControl("ckbAdd");
mtxtApplyDate = (TextBox)gvr.FindControl("txtAddApplyDate");
mtxtDateToAdd = (TextBox)gvr.FindControl("txtAddDateToAdd");
mtxtDateToRemove = (TextBox)gvr.FindControl("txtAddDateToRemove");

This all worked fine. I then got a request to put the bound fields as the second, third and fourth columns, after the check box and before the textboxes. I found that this was easy to do by changing the Add's to Inserts as follows:
grdExisting.Columns.Insert(1, bdfPrivName);
grdExisting.Columns.Insert(2, bdfDescription);
grdExisting.Columns.Insert(3, bdfLive);
It looked fine of the page, but the FindControls, all of them fail to work.

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Forms Data Controls :: How To Correct Code In Gridview Findcontrol

Jun 15, 2010

Label1.text = CType(GridView_MyAds.FindControl("ItemId")

I need this correctly done....

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