Forms Data Controls :: DropDownList In ListView Insert

Jan 19, 2010

Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control. error when I place a drop down list into my instert item template of my listview, but I have the exact same control in my edit view and it works fine, any reason I am getting this error? I know what it means but why would it work in the edit mode, and not the insert mode?

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I would like to include the minimum code to demonstrate what I am trying to do.

[Code]....

[Code]....

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[code]...

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Apr 28, 2010

I have this code:

aspx

[Code]....

aspx.cs

[Code]....

Why can I not view anything in my dropdown list? It is totally blank

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Forms Data Controls :: Populates DropDownList In Listview?

Nov 20, 2010

How can I populate a dropdownlist in an InsertItemTemplate in a ListView when it depends on another dropdownlist i.e. First DropDownList has a list of continents, once this one is selected DropDownList2 should be populated with the countries of the selected continent. Mind, of course both DropDownLists are inside the same InsertItemTemplate.

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Forms Data Controls :: Dropdownlist In Listview Edit Template

Aug 20, 2010

In my edit template I want a dropdownlist containing a list of possible customers. The list is populated from a database table containing existing customers. If the main record has customer "XYZ", then I want that customer to be the default in the dropdown. I'm using VS 2008 and C# My markup for the dropdownlist is currently:

[Code]....

The dropdownlist is populated but the problem is it shows the first customer in the list. I don't want the user to have to rechoose customer if that is not what they are changing.

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Forms Data Controls :: Populating A DropDownList In A ListView InsertItemTemplate

Jan 19, 2010

I have the following ListView (extra code removed for clarity) :

<asp:ListView ID="lvParticipants" runat="server" DataSource='<%# Eval("Participants") %>' >
<EditItemTemplate>
<asp:DropDownList ID="ddlCountry" runat="server" SelectedValue='<%# Eval("Country") %>'
DataSource="<%# GetCountries() %>" DataTextField="Text" DataValueField="Value" />
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="ddlCountry" runat="server" SelectedValue='<%# Eval("Country") %>'
DataSource="<%# GetCountries() %>" DataTextField="Text" DataValueField="Value" />
</InsertItemTemplate>
</asp:ListView>

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Forms Data Controls :: SelectedIndexChanged Of DropDownList In ListView ItemTemplate

Jul 10, 2010

on SelectedIndexChanged event handling of DropDownList in ItemTemplate of ListView. I put OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" in mark up, with code behind, but only to get Compiler Error Message: BC30456: 'DropDownList1_SelectedIndexChanged' is not a member of 'ASP.webform1_aspx'. How do I make it a member? When I do not put OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" in mark up, BC30456 does not pop up, but nothing happens when dropdownlist selected item is changed.

[Code]....

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Forms Data Controls :: Not Finding DropDownList In ListView InsertItemTemplate

Aug 9, 2010

I have a dropdown list in ListView control in InsertItem Template. I want to bind the DropDownList when I Click on Link. I want to bind it in CodeBehind not to use Datasource. I tryed lot but not finding the DropDownList. See My Code....

<InsertItemTemplate>
<tr>
<td colspan="7">
</td>
</tr>
<tr>
<td colspan="7">
<table border="0">
<tr>
<td> </td>
<td>
Sector</td>
<td>:</td>
<td align="left">
<asp:DropDownList ID="DropDnSector" runat="server" ></asp:DropDownList>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" Display="Dynamic"
ControlToValidate="DropDnSector" SetFocusOnError="true"
ValidationGroup="vgUpdate">*
</asp:RequiredFieldValidator>
</td>
</tr>
</table>
</td>
</tr>
</InsertItemTemplate>
lnkNew is my linkbutton outside the ListView
Code Behind:
Protected Sub lnkNew_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles lnkNew.Click
Try
lvSubscription.InsertItemPosition = InsertItemPosition.LastItem
lvSubscription.EditIndex = -1
BindDropDownList()
fn_ShowSubscriptionLevel(fn_BindSubscriptionLevelEvents)
Catch ex As Exception
fn_ShowMessage(ex)
End Try
End Sub
------------------------------------------------------------------------------------------------------------------
Protected Sub BindDropDownList()
Try
Dim objSector As IEnumerable(Of SystemBuilder.SystemBuilder_Sector)
Dim objSubscriptionLevel As SystemBuilder.SystemBuilder_SubscriptionLevel
Dim DDLSectorctrl As DropDownList
objSector = CSectorDB.CSectorInstance().GetAllSector()
If (lvSubscription.InsertItemPosition = InsertItemPosition.FirstItem Or lvSubscription.InsertItemPosition = InsertItemPosition.LastItem) Then
DDLSectorctrl = CType(lvSubscription.InsertItem.FindControl("DropDnSector"), DropDownList)
If DDLSectorctrl IsNot Nothing Then
DDLSectorctrl.Items.Add(New ListItem("--Select--", "0"))
For Each ObjRec As SystemBuilder.SystemBuilder_Sector In objSector
DDLSectorctrl.Items.Add(New ListItem(ObjRec.SectorText.ToString(), ObjRec.SectorID.ToString()))
Next
End If
ElseIf (lvSubscription.EditIndex >= 0) Then
Dim DDLSectorctrl1 As DropDownList
DDLSectorctrl1 = DirectCast(lvSubscription.Items(lvSubscription.EditIndex).FindControl("DropDnSector"), DropDownList)
If DDLSectorctrl1 IsNot Nothing Then
DDLSectorctrl1.Items.Add(New ListItem("--Select--", "0"))
For Each ObjRec As SystemBuilder.SystemBuilder_Sector In objSector
DDLSectorctrl1.Items.Add(New ListItem(ObjRec.SectorText.ToString(), ObjRec.SectorID.ToString()))
Next
objSubscriptionLevel = CSubscriptionLevelsDB.CSubLvlInstance().GetSubscriptionLevelDetailsBySubscrptionID(ViewState("ID"))
If objSubscriptionLevel IsNot Nothing Then
DDLSectorctrl1.SelectedValue = objSubscriptionLevel.SubscriptionID.ToString()
End If
End If
End If
Catch ex As Exception
End Try
End Sub

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Forms Data Controls :: Find Row And Column Of Dropdownlist In Listview?

Apr 29, 2010

I have a listview with following structure :

column1 column2 column3
row1 dropdownlist1 dropdownlist3 dropdownlist5
dropdownlist2 dropdownlist4 dropdownlist6
row2 dropdownlist7 dropdownlist9 dropdownlist11
dropdownlist8 dropdownlist10 dropdownlist12

Now, what i want is that , when a user select something from any dropdownlist , a fuction should be called in which I can get column and row of that dropdownlist.

I can get the dropdownlist's id in that function along with row and column of dropdownlist.

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Forms Data Controls :: How To Bind DropdownList In InsertItemTemplate Within ListView

Mar 30, 2011

I need to bind drop down list inside InsertItemTemplate in ListView.

[Code]....

but method GetData() never calls. How can I bind DropdownList ?

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How to make a sort (asc / desc) in my ListView through a dropdownlist?

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I have a ListView that I need to populate a dropdownlist while rendering. For each rown in my table has a field called sizes which has data that looks like this "blue; red; yellow; green", I need to render a dropdownlist in the ItemTemplate with these values, I tried placing a PlaceHolder but I don't know how to populate it. I have tried to populate it OnItemDataBound and OnUnload but neither seem to work.

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Oct 3, 2010

It should be simple, but I didn't found yet how to do it. There is only one user (Admin with user name and passowrd, he has a cookie so I know when he is watching the page) I would like to show him the Update/Delete/Insert button options in my ListView, but to the other users I don't want them to be able doing this kind of things, So it should be hidden from them. How I am doing it in C# code? Showing/Hiding these buttons?

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Forms Data Controls :: How To Populate Dropdownlist Whit Items In Listview

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In my project I have a listview which I am binding from code behind. Now I would like to add a droppdownlist for each item in listview. So my question would be:

Is there a way to populate my dropdownlist whit data which I have in a List?

Here is a bit of code to show how my listview looks like:

[Code]....

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Forms Data Controls :: Passing Dropdownlist Value To Update Parameters In Listview?

Aug 13, 2010

I am trying to pass the value of a dropdownlist to the Update section of a listview. The dropdownlist is bound to one datasource which needs to then pass its selected value to the UpdateCommand sql for another datasource. Here is my code:

[code]....

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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

[Code]....

And this is the C#

[Code]....

I have also tried without this > this.ListView1

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So I am using EW + Access database to create a page.

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