Create And Control The Content Of A Div Inside A Cell Of An Itemtemplate?

Jan 18, 2011

How do I create and control the content of a div inside a cell of an itemtemplate in a gridview?

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Forms Data Controls :: FindControl A Label Inside A ListView ItemTemplate Inside A GridView ItemTemplate On Button_Click?

Jan 17, 2011

I have something like this:

[Code]....
[Code]....

This does NOT work. What's wrong here?How do I accomplish my goal? I MUST use the Button1_Click event for this one.

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C# - Unable To Create Event Handler For A LinkButton Inside A ListView ItemTemplate

Feb 1, 2011

This is a weird issue. I have a List view with 2 Link buttons. "Edit" and "Delete" Iam able to attach an event handler for the first linkbutton(Update). Code in the event handler executed fine. But If I try to attach a event handler for the second link button(Delete) , I get an error.

My Item Template Looks like this.

[Code]....

First Item works absolutely fine. But If I attach the second handler, I get the following error

Am I missing some thing ? Note - There is no error if I try to attach the 1st event handler to the second link button.[ie EditLinkButtonClicked to DeleteLinkButtonClicked ] Issue occurs only when I try to attach DeleteLinkButtonClicked to DeleteLinkButton

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Forms Data Controls :: Set The Value Of Literal Control Inside Itemtemplate Control Of Gridview From Code Behind?

Jun 30, 2010

How can i set the value of literal control inside itemtemplate control of gridview from code behind ?(i am using vb.net)

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Setting ID To A Control Inside Repeater Itemtemplate?

Apr 1, 2010

Inside repeater's itemtemplate I have a Panel server control.I need to assign special Id for it, because I need to work with some javascript functions that use this Id.

In repeater ItemDataBound event I have this:

pnlButtonsPanel.ID = pnlButtonsPanel.ID + DataBinder.Eval(e.Item.DataItem, "ID");

But this solution is not good because after a postback the page is re -rendered and I lose the new ID. (And I don't want to rebind repeater after every postback)

I tried to set the ID on aspx page like that:

<asp:Panel id='<%# Eval("ID") %>'

and some other variations but always get compile errors.

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AJAX :: HTMLEditor Control Will Stop Working When Places Inside An ItemTemplate

Jan 6, 2010

Editor-Control stops working when placed inside an ItemTemplate. See the example below. Editor1 is outside the ItemTemplate, Editor2 inside. When I remove the comments of Editor2, both Editors will not render correctly in the browser. Placing Width= and other properties did not result in a working editor-control.

[code]....

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Forms Data Controls :: Access A Control Inside A Listview Itemtemplate?

Mar 29, 2011

on my page, there are two listboxes,

[Code]....

Based on the selection of SchoolID in listviewSchools, the ListviewStudents will be filled with the data.

SchoolIDLabel is in the ItemTemplate of the ListviewSchools. The following works for insertitemtemplate

Dim txtTitle As TextBox = CType(ListView1.InsertItem.FindControl("txtTitle"), TextBox), but i can not Access a control inside the ItemTemplate of a listview.

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AJAX :: Repeater Data Server Control Has HTMLEditor Inside Is ItemTemplate?

Jun 20, 2010

I am having big trouble with this issue, getting a message from IE that a script is being running for a long time and asking me to stop it myself.

The HTMLEditor seems to be uncomptible with this one.

I am also getting a very weak performance when adding this Ajax control.

I think this control is very heavy, but I'm not sure. If I am not wrong, this post I'm writing is inside the same control and I can see it takes time to load it in my page.

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Web Forms :: Display Facebook Like Button Inside Repeater Control ItemTemplate

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I have repeter where i display news headline and news. Five news bind each time. now i want to show facebook send button below with with each news.

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Data Controls :: Unable To Access Label Inside ItemTemplate Inside OnRowEditing Event Of GridView

May 7, 2015

I have gridview in my page that users can edit their data in gridview... and in this gridview I define label that I want when users click on Edit button it change label3.text:

below is code:

<asp:GridView ID="GridView1" runat="server" CssClass="DGridView1"
        AutoGenerateColumns = "false" Font-Names = "Tahoma"
        Font-Size = "9pt"
        HeaderStyle-BackColor = "#e0e0e0"
        OnPageIndexChanging = "OnPaging" onrowediting="EditCustomer"
        onrowupdating="UpdateCustomer"  onrowcancelingedit="CancelEdit"
         GridLines = "Both" OnRowDataBound = "OnRowDataBound"
>

And .cs:

protected void EditCustomer(object sender, GridViewEditEventArgs e) {
Label Label3 = (Label)GridView1.Rows[e.NewEditIndex].FindControl("Label3");
Label3.Text = "neda";
GridView1.EditIndex = e.NewEditIndex;
BindData();
BindData1();
}

but here when I click on EditCustomer it doen't change label3.text 

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Web Forms :: Label Control Inside A Content Placeholder Using Master Pages

Aug 2, 2010

I am having a slight problem with adding text (output from a stored procedure) to a label control that is nested inside a contentplaceholder (ContentPlaceHolderProductsLeftCol). The page is also using master pages.

Below are excerts of the code - I think I would have to use teh findcontrol property however I am quite lost.

Label name is lastname and is located in ContentPlaceHolderProductsLeftCol

[Code]....

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Forms Data Controls :: GridView Control Cell Turns Grey When Updating Cell?

Feb 11, 2010

I'm having a weird problem where the GridView cell that I'm programmatically updating turns grey, and throws a null error when attempting to save row. I have been searching all day and have not been able to find a solution. I'm guessing there is a problem with my code, so here it is:

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click

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AJAX :: How To Get An Array Of All The Textbox Control Inside Create User Wizard Control

Aug 10, 2010

How can I get all the textboxes inside a create user wizard control using getElementsByTagName().

Below is my JQuery code:

[Code]....

The above code isn't displaying hint text when the textbox retreives focus.

I think there is something wrong with this getElementsByTagName("asp:TextBox"); , I have also tried getElementsByTagName("TextBox"); , getElementsByTagName(":textbox"); and getElementsByTagName("input"); .

But no one of them gets the textboxes array.

Can anyone tell what will be the correct syntax for getting all the textboxes inside a create user wizard control using getElementsByTagName()?

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Forms Data Controls :: Create Grid View Control Inside Repeater Control?

Mar 17, 2010

How to create Grid view control inside Repeater control.

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Custom Server Controls :: Property Collections Not Persisted When Control Inside Update Panel And Content Placeholder

Apr 13, 2010

I'm creating an ASP.NET Control which has a property collection for Columns which the user can edit in the Property Collection Editor..

In most circumstances this works fine, the collection can be edited in the designer and the appropriate tags are added inside the control in the ASPX file.

It works fine when

My control is added to the form

[Code]....

My control is added inside an Update Panel

[Code]....

[Code]....

However, if My control is inside a Content Placeholder which is inside an Update Panel, it fails to work as it should. In this scenario, when the Columns collection is edited in the designer, if you then switch back to Source view, the Columns collection is emptied. I have to save the aspx page before switching back to Source view for the changes to be kept.

[Code]....

how to get around this problem? Is there something I may have missed?

Here's the code for the Control

[Code]....

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C# - How To Vary ItemTemplate Inside An Asp:Repeater

Apr 4, 2011

I have a user control which is used to display search results. The HTML for each result displayed will vary based on the type of result being displayed: "contacts" are displayed in one way, "news articles" are displayed in another, etc. There are around 10 different types of results that are all marked up differently when they get to HTML so I need around 10 or so different templates for individual results that I can choose between based on the current item being displayed.

I'm using an asp:Repeater to display the results, but I don't know how to select the appropriate template within the asp:Repeater <ItemTemplate>. Ideally I'd like the ASP to select the appropriate template to use based upon the object type being passed in via the searchResultsRepeater.DataSource but unfortunately I can't use switch on type (see this blog entry for C# switch on type). I can however just pass through an enum value for the type of result being displayed.

In the backend C# code I have an abstract inline SearchResult class, and children of that class like ContactSearchResult, NewsArticleSearchResult, etc. The searchResultsRepeater.DataSource would then be bound to a List<SearchResult>. Each SearchResult contains a ResultListingType type field which gives the type of the listing to be displayed.

Attempt 1: using control flow inside the ASP itself

My first attempt was something like this:

<asp:Repeater ID="searchResultsRepeater" runat="server">
<ItemTemplate>
<div class="item">
<% switch (DataBinder.Eval(Container.DataItem, "type")) { %>
<% case ResultListingType.CONTACT: %>
<p><%# DataBinder.Eval(Container.DataItem, "firstName") %></p>
<p><%# DataBinder.Eval(Container.DataItem, "lastName") %></p>
<% break; %>
<% case ResultListingType.NEWS: %>
<p><%# DataBinder.Eval(Container.DataItem, "newsHeadline") %></p>
<p><%# DataBinder.Eval(Container.DataItem, "newsDate") %></p>
<% break; %>
<% Case AnotherTypeOfListing1: %>
<% Case AnotherTypeOfListing2: %>
<% Case AnotherTypeOfListing3: %>
<% Case AnotherTypeOfListing4: %>
<% Case AnotherTypeOfListing5: %>
<% etc... %>
<% } %>
</div>
</ItemTemplate>
</asp:Repeater>

Unfortunately, this doesn't work:

"switch" and "if" both give "invalid expression term" inside the <%# ... %> brackets.
"Container.DataItem" gives "the name "Container" does not exist in the current context" inside <% ... %> brackets.

Attempt 2: setting asp:PlaceHolder's to Visible = False

I found something that looked useful at how to change the ItemTemplate used in an asp:repeater?. I then tried something like:

<asp:Repeater ID="searchResultsRepeater" runat="server">
<ItemTemplate>
<div class="item">
<asp:PlaceHolder ID="newsResultListing" runat="server">
<p><%# DataBinder.Eval(Container.DataItem, "newsHeadline") %></p>
<p><%# DataBinder.Eval(Container.DataItem, "newsDate") %></p>
</asp:PlaceHolder>
<asp:PlaceHolder ID="contactResultListing" runat="server">
<p><%# DataBinder.Eval(Container.DataItem, "firstName") %></p>
<p><%# DataBinder.Eval(Container.DataItem, "lastName") %></p>
</asp:PlaceHolder>
</div>
</ItemTemplate>
</asp:Repeater>

In my ItemDataBound event I did:

Control newsResultListing = e.Item.FindControl("newsResultListing");
newsResultListing.Visible = false;
Control contactResultListing = e.Item.FindControl("contactResultListing");
contactResultListing.Visible = false;
switch (item.type)
{
case ResultListingType.CONTACT:
contactResultListing.Visible = true;
break;
case ResultListingType.NEWS:
newsResultListing.Visible = true;
break;
default:
throw new Exception("Unknown result listing type");
}

Unfortunately this doesn't work because ASP seems to still be running the contents of the PlaceHolder even after I set Visible = false. I get the error "DataBinding: 'usercontrols_ResultsListing+ContactResultsListing' does not contain a property with the name 'newsHeadline'" i.e. the newsResultListing PlaceHolder is still looking for the "newsHeadline" field, even though that field doesn't exist for the result listing type being displayed.

In fact I've tried a quick test throw new Exception("e"); in my ItemDataBound, and it looks like the "DataBinding" error is thrown even before control flow gets to the ItemDataBound method, so there's really nothing I can do in there to avoid this error.

I suppose I could add every single field to the parent class and leave most of them null in my children, but that seems really ugly.

Is there a way to make this work, or an easier way to vary my ItemTemplate based upon the type of Container.DataItem I'm currently iterating over? I'm very new to ASP so there's likely something simple that I've missed.

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C# - Getting The Object Inside Repeater ItemTemplate With / Without Eval

Nov 13, 2010

I am new to Repeater and DataBinding

In PageLoad, I have

var photos = from p in MyDataContext.Photos
select new {
p,
Url = p.GetImageUrl()
};
repeater1.DataSource = photos;
repeater1.DataBind();

In the Repeater control, I have

<ItemTemplate>
<% Photo p = (Photo) Eval("p"); %> <!-- Apparently I can't do this -->
...
<asp:TextBox runat="server" ID="txtTime" Text='<%= p.Time == null ? "" : ((DateTime)p.Time).ToString("dd/MM/yyyy HH:mm:ss") %>' />
...
</ItemTemplate>

But that is wrong.

What I need is to get the Photo object in ItemTemplate so I can do things with it (eg. to display the time as in the second line in ItemTemplate above). Is it even possible to do this in a Repeater?

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C# - Access To A ServerControl Exists Inside An ItemTemplate?

Feb 10, 2011

I have the following ListView:

<asp:ListView ID="procedureTicketList" runat="server" ...
<ItemTemplate>
<asp:GridView ID="MyGridView" runa...

How can I access to MyGridView programmatically ?

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UpdatePanel Inside ItemTemplate Refreshes Whole Grid?

Jun 23, 2010

I have a grid. Inside the grid I have a button which is placed inside an update panel, which when clicked should do something I tell it to do in code behind. The problem is that when I click the button, it ignores the fact that the button is inside the update panel and it refreshes the entire grid, instead of refreshing only the stuff inside the update panel. What I need it to do instead is update only things inside the update panel my button is in, but leave alone the grid.

This is the setup I currently have:

<asp:GridView ID="grv_FieldDesc" EnableViewState="True" runat="server" DataSourceID="ObjectDataSource1"
OnPreRender="grv_FieldDesc_PreRender">
<asp:TemplateField HeaderText="Hidden">
<EditItemTemplate>
<asp:UpdatePanel ID="updp_grids_formula" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:LinkButton ID="Button1" runat="server" OnClick ="Button1_Click">LinkButton</asp:LinkButton >
</ContentTemplate>
</asp:UpdatePanel>
</EditItemTemplate>
</asp:TemplateField>
</asp:GridView>

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Getting Values From Checkbox (inside GridView ItemTemplate) In FORM?

Mar 30, 2011

I have a GridView displaying names from a DB and I have added a checkbox to each row to select certain candidates (code below). This data then gets posted to another page which is where my problem is...What I'd ideally like is to have the CandID value stored against chkSelect in the form so I can then work out which candidates are selected. However, what I actually get in my form is 'gvCands$ctl159$chkSelect=on' for instance. It's not particularly easy
to figure out which candidate is #159 so I'm guessing that's the wrong route to go.

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Web Forms :: Select A Value From A Dropdownlist Inside An Itemtemplate In A GridView?

Nov 10, 2010

I have a GridView with a templatefield that contains a dropdownlist. I want to insert the selectedvalue as a datetime field into a table.

This is my code:

Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs) Handles GridView1.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then
Dim shippingdate As DateTime

[Code]...

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Forms Data Controls :: Hyperlink Inside An ItemTemplate?

Jul 15, 2010

I have a DataGridView with a ItemTeplate column, which has a HTML hyperlink (<a href....>) inside. When a user clicks on a link, a popup with a TextBox is showed to the user. Then the user can type a data. With this data, I must update the hyperlink's text in which the user clicked. All using javascript. The problem is that I don't know how to find the Hyperlink because there will be so many hyperlinks as rows in the DataGridView and they will have the same Id.

How can i find the hyperlink using javascript?

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Web Forms :: Find Panel Inside GridView ItemTemplate

Jun 4, 2012

I have a gridveiw in which there is panal inside itemtemplate

I want to use this panel in by vb page. In type casting I use :

   Dim Panel1 As Panel = CType(gridview1.FindControl("panel1"), Panel)

But it is not working............

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Forms Data Controls :: Radiobutton Inside Datalist ItemTemplate

Feb 1, 2011

I have a radiobutton inside an itemTemplate in datalist , and i'm binding this radiobutton dynamically from database, the problem is that all the radiobuttons generated are selectable at the same time which is wrong. (Multiple radiobuttons selcted at the same time)

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Force A Full PostBack From An ItemTemplate Inside A GridView In An UpdatePanel?

Dec 16, 2010

I found this solution to force full postbacks from within an UpdatePanel

<Triggers>
<asp:PostBackTrigger ControlID="controlID" />
</Triggers>

but my control is actually inside an ItemTemplate nested in a GridView. Therefore when my page loads, it doesn't find that control.

How can I force a full postback from my control (an asp:LinkButton) from within my GridView?

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