Input Button Created Dynamically Through A Literal Tag Doesn't Work ?
Mar 21, 2010
I have created button 2 below:
<input id="Button1" type="button" value="Stop"
onclick="alert('hello world');"/>
<input id="Button2" type="button" value="button" OnClik="alert('hello world');"/>
using a litteral tag on page load like this:
protected void Page_Load(object sender, EventArgs e)
{
Literal1.Text = "<input id="Button2" type="button" value="button" OnClik="alert('hello world');"/>";
}
Incredibly when testing in browser, click on button 1 works, not click on button 2 whereas the codes are the same !
View 1 Replies
Similar Messages:
Mar 24, 2011
Ive been playing around with the default ASP.NET web application template and the following code throws an exception:
Object reference not set to an instance of an object.when clicking the created button.
Note 1: The markup is just a blank page with a placeholder in it - see below.
Note 2: Substituting Button for LinkButton, and the code does not throw an exception and works.
public partial class test : System.Web.UI.Page
{
protected override void OnInit(EventArgs e) [code]....
View 2 Replies
Jun 15, 2010
I add HTML and tags to Page dynamically. But after every postbost, all values are empty. What can I do for Solve?
View 2 Replies
Apr 29, 2010
I have a input of type file and when i try to do a Request.files when the input is wrapped in an update panel...it always returns an empty httpfilecollection. Why???
This is the codebehind: (At HttpContext.Current.Request.Files...its always 0 for the count.)
[code]....
View 1 Replies
Jan 16, 2010
[Code]....
[Code]....
The whole thing is in a form, and it doesnt postback when this button is clicked. Im no good with javascript, but i got a feeling thats not the problem.
View 5 Replies
Jan 13, 2011
My users have "demanded" to have an export function to their gridviews, and since they're running from usercontrols there's no way to modify the response stream. My workaround is to create an aspx to run in a hidden iframe. To do that, and to make it modular, I'm trying to dynamically create everything from the querystring. This *seems* to work just fine until I bind my sqldatasource to the dummy gridview. I then get "Procedure or function 'xxx' expects parameter '@NumberResults', which was not supplied."
View 1 Replies
Oct 19, 2010
I'm inserting panels within a table, each panel has an increment and decrement input button that uses javascript to update a textbox value within the panel.
The buttons stopped working when I adjusted the table to have multiple columns.
Here's the code:
[Code]....
View 4 Replies
Mar 21, 2010
I'm trying to manually create a button and add a Click event handler for it in code. However when the button is clicked the event handler doesn't seem to react on event (or event isn't called).
we tested the code in Visual Studio 2008 and everything worked just as it should. And I'm using Visual Web Developer 2005 XE. So I assume that I'm missing something to be done manually being in VWD 2005 XE, or the problem is in VWD 2005 XE it self.
here is what I'm doing:
[Code]....
View 9 Replies
Mar 25, 2011
I have created a gridview dynamically from scratch and added it to my aspx page. This works fine, but i have a button in the footer of on of the columns, which when clicked on makes the gridview disappear and doesn't fire the onclick event that it should. This should obviously not be the case. My question is why does the event not fire and why does the gridview vanish? Bear in mind i have never created aa gridview in the code behind before, so excuse me if i am being dense
Code creating columns
Dim gvTownships As New GridView
'COLUMNS
Dim tmpCategory As New TemplateField
tmpCategory.ItemTemplate = New cGridViewTemplate(DataControlRowType.DataRow, "Category")
tmpCategory.HeaderTemplate = New cGridViewTemplate(DataControlRowType.Header, "Category")
tmpCategory.FooterTemplate = New cGridViewTemplate(DataControlRowType.Footer, "Calculation")
'INFORMATION
gvTownships.AutoGenerateColumns = False
gvTownships.ID = cmbChoice.SelectedItem.Text
gvTownships.ShowFooter = True
gvTownships.CssClass = "mGrid"
gvTownships.RowStyle.Wrap = False
gvTownships.HeaderStyle.CssClass = "mgrid"
gvTownships.HeaderStyle.Wrap = True
gvTownships.FooterStyle.CssClass = "mGridtf"
gvTownships.AlternatingRowStyle.CssClass = "alt"
gvTownships.GridLines = GridLines.Both
'add columns
gvTownships.Columns.Add(tmpCategory)
gvTownships.DataSource = dstSuburbTowhShip
gvTownships.DataBind()
Code to add button to footer
Sub InstantiateIn(ByVal container As System.Web.UI.Control) _
Implements ITemplate.InstantiateIn
Case DataControlRowType.Footer
If columnName = "Calculation" Then
Dim btnCalculate As New Button
btnCalculate.Text = "Calculate"
btnCalculate.CssClass = "button"
'add handler
AddHandler btnCalculate.Click, AddressOf btnCalculate_Clicked
container.Controls.Add(btnCalculate)
End If
Case Else
' Insert code to handle unexpected values.
End Select
End Sub
Private Sub btnCalculate_Clicked(ByVal sender As Object, ByVal e As EventArgs)
Try
Dim btnCalculate As Button = CType(sender, Button)
Dim gvRow As GridViewRow = CType(btnCalculate.NamingContainer, GridViewRow)
btnCalculate.CommandArgument = "Calculate"
Catch ex As Exception
End Try
End Sub
End Class
View 3 Replies
Oct 5, 2010
Does anyone have a good vb example of adding an "onClick" event to a button that is dynamically added into a templatefield of a gridview. MSDN just says to use the addhandler statement with no other good info for a 'dynamic' scenario:
[URL]
View 12 Replies
May 26, 2010
I have a accordion control inside an update panel. As I loop through the Products table and the Details table in the code behind, I'm creating the accordion panes that will display the data. There's an "Add to Cart" button created for each product (each accordion pane), and I'm asigning an EventHandler for that button, but it never fires... Here's the code where I'm creating and adding the button to the page:
[Code]....
[Code]....
[Code]....
And here is the code event that is suposed to fire:Private Sub addToCart(ByVal sender As Object, ByVal e As CommandEventArgs)
View 3 Replies
Jul 21, 2010
i created dynamically a table with in a function... this table is added to a panel. and this panel is in ajax updatepanel... statically i have given no of rows as 3, for that table... in page_load my table with 3 rows is created.... but i cannot identify this table in another button click event...
i wrote the code like this...
System.Web.UI.WebControls.Table table = (System.Web.UI.WebControls.Table)addrowpnl.FindControl("Table1");
here Table1 is my dynamic table id.....
View 2 Replies
Jul 31, 2013
I'm dynamically creating a table on my page with rows and controls. It looks like a gridview but it's not (it should've been, but too late now, seriously). I have a first name, last name, date of birth, etc. I want each row to have a button to add rows underneath it. So I create an event handler each time I create a new row and assign it to the click event of a button contained in the row. But it's not getting called.
Is it correct that the event handler doesn't stay established because the buttons are dynically created and are lost when the page posts back?
Code:
ImageButton addDependentButton = new ImageButton();
addDependentButton.ID = ADD_DEPENDENT_BUTTON_ID_BASE + currentSubscriberIDAsString;
addDependentButton.ImageUrl = "/Images/btnAdd.gif";
addDependentButton.Click += new System.Web.UI.ImageClickEventHandler(this.AddDependentButtonByRow_Click);
Control[] addDependentArray = { addDependentButton, addDependentDropDown };
WebControlUtilities.AddMultipleControlCellToRow(currentRow, addDependentArray, Constants.CSS_CLASS_TABLE_TEXT_NORMAL);
View 4 Replies
Jan 19, 2010
For some reason I have noticed that at run time when looking at my source of my ASP.NET page there are tags being created.
<input type="hidden" name="_VIEWSTATE" id="_viewstate" value="..lots of text.." />
and
<input type="hidden" name="_EVENTVALIDATION" id="_EVENTVALIDATION" value="..lots of text.." />
Why is this and what is it for?
How can I make sure that these are not created?
View 2 Replies
Aug 12, 2010
My page contains a button [Button1].I've dynamically created a new button [Button2] in the Button1_Click event and and assigned event handler also.But when clicking on Button2, Button2_Click event is not fired.I think its because the page looses dynamically created Button2 after post back, since it is created in Button1_Click event.Is there any way to maintain Button2 on page and raise Button2_Click event ?
View 5 Replies
Mar 9, 2010
I have some code that I am working on that uses an UpdatePanel and some dynamically created buttons to perform functions. The problem is that the dynamically created buttons aren't working the same as my test static button, which is behaving exactly as it should be.
So I was wondering if someone would be willing to simply post an example (in VB.NET or C# please) of the following:
An UpdatePanel has a Label and a Placeholder inside of it
The Placeholder has a dynamic button added to it
Clicking on this button will make the Label say "Hi" without performing a full page postback.
If I can just get that much to work, I am sure that the rest of the code will be fine. I just can't seem to get my dynamic buttons to act like my static ones do in an UpdatePanel.
View 3 Replies
Mar 8, 2010
I am creating two buttons within the StoryGet() method, first when the page loads. When one of the buttons is pushed, lets say the left one - I want to call another method - "ButtonLeft_Click"
Ive used this same solution in other sites and it worked. With this solution, click event never fires.
If I move the StoryGet() call from Page_Load to PageInit() the button event fires, but because this event also calls StoryGet() the method runs twice, which I don't want.
I tried adding this to page_init so the original StoryGet() method only gets run the first time the page loads unless the method is called directly but then the page loads, but the button click event doesn't run again
if (!this.IsPostBack)
{
piccount = 0;
StoryGet();
}
[Code]....
View 18 Replies
Oct 8, 2010
My button in user control doesn't work /its click event doesn't fire/. This user control is on the page that inherits from master page. Although, the user control buttons on the master page work correctly.
View 3 Replies
May 7, 2015
I have web page which inherit master page.
Their isĀ placeholder inside update panel to which i add my dynamicaly created a div which contain a link button (dynamically created). When i click link button div get disappear and link click event is not fired
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="updatePanel1" runat="server">
<ContentTemplate>
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
[Code] .....
View 1 Replies
Nov 8, 2010
i'm experiencing some weird problem and cannot find any solution on how to fix it.... i have this function where user can update their email address, password etc. i put all this into an accordion. all works perfectly fine until i added in some validation. the validation works fine to. the problem is, now none of my button works. as in it does not trigger any action..
below are my codes
[Code]....
[Code]....
View 1 Replies
Jun 3, 2010
I have a small problem, I have a page which 4 jQuery modal popups. everything works fine, all the popup comes up however when i click on the button inside the jQuery popup nothing happens. I cannot figure out why.
This is the jQuery code i used [URL]:-
[Code]....
View 2 Replies
Feb 17, 2010
I have a grid view in Ajax UpdatePanel. In a column of a grid view I have a button call btnAddNewRecord. I need to fire btnAddNewRecord.Click event once I click on that.
How can I do this?
View 4 Replies
Sep 16, 2010
im creating a button control in page int and im assing a click event for the button control. here the click event is not firing for the first time. here is my code.
[Code]....
View 1 Replies
Feb 14, 2010
to explain my problem as simple as i can i have made the following page each textbox is a required field. when i enter valid data in the text box and click the button everything is fine. the problem i am having is that after this button click > i empty out the last 2 textboxes > click the button > the required field validation is not thrown.
the autopostback property being set to true is a must in this case.
[Code]....
View 5 Replies
Mar 31, 2010
I have done some modification and customization with List.aspx under Dynamic Data.
I must have messed up some controls or events somewhere.
Everything works well except that GridViewPager buttons (|<, <, >, >|) does not bring me to the next or previous page. It stays at the same page.
But if I manually type in the page number into the page number field and press enter, it works brilliantly. The gridview refresh to the correct pageindex.
View 2 Replies