C# - Buttons And ConfirmButtonExtender Added Dynamically?
Aug 11, 2010
I'm adding alot of buttons at runtime to my form. When i push these buttons i want a confirm window to pop up and ask if i'm sure to delete this item.How would i go by doing this.Every button is added dynamically so i expect that the confirmbuttonextender should also be added that way.Do i have to add a extender for each button or should i make one in the aspx file then change the targetID at runtime ?
UPDATE
Panel div = new Panel();
div.CssClass = "BulletDiv";
content.Controls.Add(div); [code]....
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Aug 4, 2010
I want to set the confirm text button dynamically in a situation where the user is entering some text into a TextBox control e.g. their social security number. I'd like to display a message saying "Are you sure XXX-XX-XXXX is your social security number?"How do I pick up the text entered into the TextBox control and use it in the ConfirmText?
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Feb 14, 2011
I have a website that sales associates access to view account information with clients. S.A's can only view information for accounts that they are tied to. Some clients have more than one account, S.A's can be tied to more than one account, but not all accounts of one client need to be tied to one S.A.
On the account info pages, I have account numbers (dynamically displayed labels) displayed of other accounts that the account client is associated with, which the S.A's can see. I'm modding this so that if the S.A has viewing permissions of any of the other accounts on that list of accounts, that instead of a label being displayed, a button directing them to that account page will display instead. In order for this to work, I have to attach a security function to the button, otherwise the page will blow out on the S.A's.
So I'm running a piece that is displaying a button instead of a label, which is working fine. My problem is when I try to attach the security event to the dynamically displayed buttons. It seems that the page just posts back and doesn't execute my code at all.
On my Page_Load, I'm running this after the buttons and labels are displayed:
For x = 0 to tblAccountList.Rows.Count - 1
'use a try to target the button, use catch to handle if it's instead a label, only one cell per row.
Try
Dim accountLink as Button = tblAccountList.Rows(x).Controls(0)
Addhandler accountLink.Click, AddressOf Me.PermissionViewCheck
Catch ex as InvalidCastException
Continue For
End Try
Next
I don't have any code checking for postbacks or anything like that, but the "PermissionViewCheck" event never fires and just reposts the page.
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Jan 11, 2011
I am creating a survey page that has a list of questions and answers that can be radiobuttonlists, checkboxlists or textboxes. These controls are added dynamically to a Repeater in its ItemDataBound event using Controls.Add.
I've managed to render the page ok but when I submit the form and iterate over the controls in the repeater to get the selectedvalues of the radiobuttons and textbox values, FindControl returns null. What do I need to do to get get the selected values? I've tried iterating over the RepeaterItems but that returned null too. I've tried different types of FindControl but it never resolves the control types.
It works if I add a declarative DataBinder in the Repeater like this
<asp:Repeater ID="rptSurvey" runat="server" Visible="true" EnableViewState="true" >
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem, "Question") %>
</ItemTemplate>
</asp:Repeater>
However, I want want to dynamically add the controls but in doing this i cant get the selectedvalues when submitting. This is tha main structure of my code...
[code]....
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Jan 29, 2010
i have one html table "table "and added controls it at run time as :
HtmlTableRow tabelrow = new HtmlTableRow();
HtmlTableCell tablecell = new HtmlTableCell();
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tablecell.Controls.Add(lbl);
then i want to get each controls by using foreach
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Jun 28, 2010
how to access values of dynamically added asp.net controls?
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Jul 12, 2010
I have to dynamically create controls and add them to a table. In a button click I need to find the value entered for that control. The control ids are also dynamic. Below is the code I tried.
[code]....
the problem is that i m getting the rowcount=0 of the table tblUdf inside which i added the table rows and controls inside the table cells.
how to get the control values of the dynamically added controls.
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Feb 7, 2011
I am just trying to add some dynamic controls to the SimpleQueryControl (which of course is a kind of Web Control and inherits all the methods accordingly). I dont know how to get the values of Child controls which I have added dynamically.
class RoomPickerQueryControl : SimpleQueryControl
{
protected override void OnLoad(EventArgs e)
{
if (!Page.IsPostBack)
{
EnsureChildControls();
mColumnList.Visible = false;
}
}
protected override void OnInit(EventArgs e).............................
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Dec 24, 2010
On adding items in it ,shows an error: "Dropdownlist does not allow multiple selection."But when i tries to print the selected item it shows null exception.
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Jul 7, 2010
I'm adding a dynamically built set of checkboxes to an asp.net page from the code behind with something like this in a recursive fashion:
pnlPageAccessList.Controls.Add(myCheckboxControl);
The controls show up fine on the page, but they don't show up when I view source, nor can I access them from the code behind.If I add the controls in the on_init method, they work. But I have some business rules driving changes to the list of controls itself that require I fire the add method elsewhere. Has anyone seen this before? I'm away from work so I can't copy the exact code.
I have two terrible ideas for how to get it working. One involves some jQuery and a set of hidden controls holding a big array of integers; the other is run the method on_init AND on my other events so the controls at least show up. Both smell like ugly hacks.
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May 3, 2010
i want load a usercontrol dynamically and pass a string to it ho do i do it..
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Sep 16, 2010
I am having trouble getting the input values of dynamically created controls in a ListView.
Here is my ListView:
[code]....
The textbox is found, but there is no value. It's like I just wrote over the textboxes with new ones in the previous block. If I remove the previous block of code no textboxes are ever found.
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Feb 8, 2010
I dymamically add checkBoxList to the page. How can I get checked items from it without adding it again?
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Jun 5, 2010
Can a placeholder control be created dynamically such that you can add controls to it later on?
PlaceHolder ph_grid = new PlaceHolder();
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Mar 29, 2011
How can I add the dynamically added control to validation?
[Code]...
the client-side validations kicks-in. Is there a way to explicitly include the deferredly-created inputs to validations?
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Mar 5, 2011
I would like to write the following within a div (myGallerySet) from behind code (vb.net) on pageLoad:
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<a href="#" title="open image" class="open"></a> <img src="images/brugges2006/2.jpg" class="full" /> <img src="images/brugges2006/2-mini.jpg" class="thumbnail" /> </div> </div> <div id="gallery2" class="galleryElement"> <h2>Stock Photos</h2> <div class="imageElement">
<h3>Item 1 Title</h3> <p>Item 1 Description</p> <a href="#" title="open image" class="open"></a> <img src="images/stock/77196_6784.jpg" class="full" alt="Item 1 Title"> <img src="images/stock/77196_6784_002.jpg" class="thumbnail" alt="thumbnail of Item 1 Title">
</div> <div class="imageElement"> <h3>Item 2 Title</h3> <p>Item 2 Description</p> <a href="#" title="open image" class="open"></a> <img src="images/stock/165392_5486.jpg" class="full" alt="Item 2 Title"> <img src="images/stock/165392_5486_002.jpg" class="thumbnail"
alt="thumbnail of Item 2 Title"> </div> </div>
Basically I have images details which are stored in a database and would need to dynamically added hence, why i need to write within a div container. Any ideas how I could achieve this?
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Feb 9, 2011
I've been struggling with this for several hours now so I thought I'd give this forum a try. The problem is that I'm adding two kind of buttons (editBtn and delBtn) which show up fine but they won't fire their respective method when clicked. I also have a third button which works just fine.
[Code]....
[Code]....
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May 15, 2010
How to get a postback on a button added dynamically
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Dec 24, 2010
using System;
using System.Collections;
using System.Configuration;
[code]...
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Dec 20, 2010
I am trying to create a RadioButtonListWithOther class that extends the RadoButtonList but I can't get the "Other" textbox to render on the page. When I step through while debugging I can see the control in the parent control's Controls collectio but it still doesn't render.
public class RadioButtonListWithOther : RadioButtonList
{
private TextBox _otherReason;
public RadioButtonListWithOther()
{
_otherReason = new TextBox();
_otherReason.TextMode = TextBoxMode.MultiLine;
_otherReason.Rows = 6;
_otherReason.Width = Unit.Pixel(300);
_otherReason.Visible = true;
}
protected override void CreateChildControls()
{
this.Controls.Add(_otherReason);
this.EnsureChildControls();
base.CreateChildControls();
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
_otherReason.Enabled = false;
if (OtherSelected())
{
_otherReason.Enabled = true;
}
base.OnSelectedIndexChanged(e);
}
public override string Text
{
get
{
if (OtherSelected())
{
return _otherReason.Text;
}
return base.Text;
}
set
{
base.Text = value;
}
}
public override bool Visible
{
get
{
return base.Visible;
}
set
{
//Push visibility changes down to the children controls
foreach (Control control in this.Controls)
{
control.Visible = value;
}
base.Visible = value;
}
}
private bool OtherSelected()
{
if (this.SelectedItem.Text == "Other")
{
return true;
}
return false;
}
}
Here is my code to add an instance of this control to the WebForm:
protected override void CreateChildControls()
{
var whyMentorOptions = new Dictionary<string, string>();
whyMentorOptions.Add("Option 1", "1");
whyMentorOptions.Add("Option 2", "2");
whyMentorOptions.Add("Option 3", "3");
whyMentorOptions.Add("Other", "Other");
mentorWhy = new RadioButtonListWithOther
{
DataSource = whyMentorOptions
};
this.mentorWhy.DataTextField = "Key";
this.mentorWhy.DataValueField = "Value";
this.mentorWhy.DataBind();
Form.Controls.Add(mentorWhy);
base.CreateChildControls();
}
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Jul 9, 2010
my table has already 5 rows...after pressing addow, rows are added dynamically to another table... i need to save the data of all the rows(5+newly added) in the database...
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Sep 27, 2010
I am making a website where the user has to choose some addresses form a list of street names.
I have made a usercontrol Witch I dynamically adds to the website depending on some choices the user makes (Zip, and Streed name) The usercontrol contains a checkbox. When the user clicks a button on the site I would like to find all the usercontrols the user have checked.
The usercontrols is contained in a asp:Panel
I have tried with a foreach loop where I loop all the controls in the panel. It only retun one control.
Then I have tried with at ControlCollection ctrlCol = ContentPanel.Controls;
It only returns a LiteralControl. Then I have tried to loop all the controls on the webpage testing for the type as the usercontrol but no luck
How can I find an loop thru all my usercontrols and find the checked?
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Nov 20, 2010
The scenerio is I have a UserControl. This user control will create dynamically ListBoxes if the given List's count > 0. The controls are adding dynamically, there is no problem with adding them, but the event handler is not adding. If I select an item in first listBox, the secondListBox will be added dynamically, and items will add dynamically too. First listBox appears, but the selectedIndexChanged event handler doesn't work. What can be the problem with my code?
EDIT: I tried to add
li.Attributes.Add("onselectedindexchanged","selectedIndexChanged");
or
li.AutoPostBack = true;
but still not firing...
private List<string> myList = new List<string>() { "Serkan", "Kadir" };
private List<string> mySecondList = new List<string>() { "Istanbul", "Ankara" };
protected void Page_Load(object sender, EventArgs e)
{
[Code]....
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Jul 27, 2011
I'm adding a row to my gridview like this in the RowDataBound event
Code:
If (Not isDisbursementRowAdded) Then
Dim row As GridViewRow
Dim cell As TableCell
row = New GridViewRow(e.Row.RowIndex + 1, e.Row.RowIndex + 1, DataControlRowType.DataRow, DataControlRowState.Normal)
[code]...
I've looked at the tables tr and td elements and they all have opening and closing tags.
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Aug 5, 2010
[Code]....
I know that if I re-add the control during Page_Load, the posted values will be repopulated when the page is rendered; however, this is not the case when re-adding the control during the Click event and I need to add the control during an event handler.
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