Linkbutton Gets Repositioned During OnselectedIndexChange?
Jul 27, 2010
I am still a beginner, so pardom me. I have this stage problem which i am having a difficult time to solve. I have two link buttons and a gridview. In my gridview, I have a select system used for my OnSelectedIndexChanged. Now when the select in the gridview is clicked on, it populates certain into in a textbo xand it is also changes the name of my linkbutton to update. The problem I am having is based on the fact, after the name of my linkbutton is changed, one of my linkbutton gets repositioned as well. So instead of having this stillLinkbutton1 Linkbutton2I get this insteadLinkbutton1Linkbutton2
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Oct 6, 2010
I have a nut for a manager who changed my form and added _top so that I could redirect a response to a parent window, anyway, I have two .net forms and now he tells me I can't do any posting back on my child window. I have lots of .Net event callbacks that use autopostback on this child window. He told me he believes I can do all the necessary event code through his Javascript client-side scripting that he loves so dearly. I don't think he knows .NET very well even though he acts like he does. the microsoft server coding world and without replacing every object in my child window (there are many) with html and resorting to an html page (God help me Bill Gates I'm coming to get you) is there anyway I can have my events (onselectedindexchanged onclick ... ie) to call javascript functions without an autopostback on any of my controls ?
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Sep 7, 2010
I have dropdownlist that located inside a repeater, how can i get OnSelectedIndexChange event of this dropdownlist? i want to use this event to set TextBox value olso inside this repeater, i try this code
[Code]....
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Aug 3, 2010
I want to show a window , when user select value from drop down list.I am to use animation Extender for that.Do we have onSelectedIndexChange or Onchange events for Animation Extender?
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Mar 25, 2010
I have an update panel which contains a number of controls. The update panel is triggered by the OnSelectedIndexChanged event of a dropdownlist called: ddlUSCitizenshipStatus. It works as expected when I selected a new item.
However, if I leave ddlUSCitizenshipStatus with the default value, and then click "submit" button on the page, the requiredfieldvalidators say there is an error on ddlUSCitizenshipStatus (which it should, as I never selected a value). So I then choose a value, the error message goes away on ddlUSCitizenshipStatus, however the updatepanel does not refresh. I've debugged this locally and the OnSelectedIndexChanged event for ddlUSCitizenshipStatus does not fire.
If I choose an item in the ddlUSCitizenshipStatus list a second time, the OnSelectedIndexChanged server event fires and the update panel refreshes and works as expected.The issue is, I have to select an item in ddlUSCitizenshipStatus twice, after failed validation, before the updatepanel it's sitting in updates.The submit button on the page looks like this:
[Code]....
If I remove my custom OnClientClick script, making the submit button look like this:
[Code]....
The dropdownlist, update panel, and reguiredfieldvalidator all work as expected. However, I need to run that custom "ValidatePage()" script when the button is clicked.Below is what my ValidatePage script looks like. I've been troubleshooting this for more hours than I can count.... I hope someone is able to help me. Please let me know if you can figure out why ddlUSCitizenshipStatus doesn't update the updatepanel until the second click after a failed validation.
[Code]....
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Oct 20, 2010
The following works just fine in Chrome.
<asp:LinkButton runat="server" ID="lbEdit" OnClick="lbEdit_Click">
<button type="button" class="edit">
Edit
</button>
</asp:LinkButton>
And here is the CSS for button and its subclass.
[code]...
As you can see, nothing special; just colors and beautiful things.
I click on the blue Edit button and it fires the OnClick postback just fine.... in Chrome! But if I do the same in IE8, it just does nothing; doesn't even detect a click.
I removed the tag and kept just the word "Edit", and it works just fine in IE8 as a simple underlined link; the postback fires.
So, Why can't IE8 accept anything within LinkButton?
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Sep 28, 2010
I am trying to create a Linkbutton inside a calendar. Everything works except for the onClick.
Is there a way to make this work?
[code]....
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May 25, 2010
I'm new to asp.net and I have quite an annoying issue. I have a masterpage and a number of linkbuttons to navigate through the aspx pages.
My problem is that when I click on a linkbutton than the one selected, it doesn't highlight the selected linkbutton, because postback has been initialized. Instead it highlights the linkbutton that I have specified in the Page_Load event.
I've tried to specify:
[code]....
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Nov 26, 2010
In my user control I have gridview, and this grid is created programmatically, using Itemplate. In InstantiateIn methods I have this code.
Select Case _templateType
Case ListItemType.Header
Dim linkButton As New LinkButton [code]....
I want to wired up Click event to this LinkButton, and use this event in code behind.This is constructor of GridViewTemplate how implements ITemplate
Public Sub New(ByVal type As ListItemType, ByVal colname As String, Optional ByVal infoType As String = "")
'Stores the template type.
_templateType = type
'Stores the column na [code]....
and i have this call from user control:bfield.ItemTemplate = New GridViewTemplate(ListItemType.Item, dt.Columns(col).ColumnName, "label")
where is Dim bfield As TemplateField = New TemplateField()
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Sep 23, 2010
I have 2 link button in my page and every thing was working fine until i added window.onload() method on my page. After adding window.onload() first link button is working but not the second button. I am using update panel in my page
<script>
function PageTest() { //do some task}
window.onload = PageTest;
</script>
<asp:UpdatePanel ID="UpdPanel" ChildrenAsTriggers="true" UpdateMode="Conditional" runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="linkbutton1" EventName="Click" />
</Triggers>
<ContentTemplate>
//some code
<asp:linkbutton id="linkbutton1" runat="server" cssclass="btn" onclick="linkbutton1_Click" OnClientClick ="return Ischecked('abc');">
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdatePanel ID="UpdatePanel1" ChildrenAsTriggers="true" UpdateMode="Conditional" runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="linkbutton1" EventName="Click" />
</Triggers>
<ContentTemplate>
<asp:placeholder id="placeholder" visible="false" runat="server">
<asp:linkbutton id="linkbutton2" runat="server" cssclass="btn" onclick="linkbutton2_Click" OnClientClick="return IsChkBoxchecked('xyz')" >
<span>Submit</span>
</asp:linkbutton>
</asp:placeholder>
</ContentTemplate>
</asp:UpdatePanel>
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Feb 24, 2011
When using the core ASP.NET 3.5 (w/ Ajax), is it possible to include a LinkButton in a tooltip?
Unfortunately, these tooltips are generated on-the-fly within a GridView to display custom data from each row. Tooltips are currently showing using jQuery.
So,I don't know how to add a LinkButton (for a "Modify" action) to call a method on code-behind.
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Aug 10, 2010
I want a hyperlink that looks like a standard button. I have tried using a LinkButton but can't get it to look like a button. It always seems to stay looking like a hyperlink. I don't want to set an image to do this.
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Mar 20, 2011
I'm trying to build a master page. What I'm trying to do is have a header in the master page with login and register link buttons (which would change to username and sign out) and there are content pages like home.aspx, shoppingcart.aspx, checkout.aspx which would inherit the master page with that header. So in that process i wrote the following code in master page (First.Master). And i tried to inherit the master page in home.aspx through this following code Inherits="SampleMasterProject.First" in the page tag
<body>
<form id="form1" runat="server">
<div>
<asp:ContentPlaceHolder ID="Header" runat="server">
<asp:LinkButton ID="UserNameLinkBtn" Text="UserName" runat="server"></asp:LinkButton>
<asp:LinkButton ID="PwdLinkBtn" Text="Password" runat="server"></asp:LinkButton>
</asp:ContentPlaceHolder>
</div>
</form>
</body>
But I get following error
Content controls have to be top-level controls in a content page or a nested master page that references a master page.
Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Content controls have to be top-level controls in a content page or a nested master page that references a master page.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[HttpException (0x80004005): Content controls have to be top-level controls in a content page or a nested master page that references a master page.]
System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +8836686
System.Web.UI.Page.get_Master() +54
System.Web.UI.Page.ApplyMasterPage() +15
System.Web.UI.Page.PerformPreInit() +45
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +328
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May 3, 2010
I am trying to get the value of the LinkButton that I click on. I am passing in the command argument =<%#'Xpath("ID")'%>. Since, the Linkbutton is inside the Repeater and am dynamically binding values from xml. I need the value of clicked link to send as attribute in xmlrequest again. I tried this but din't work: my aspx as linkbutton with command argument = <%#'Xpath("ID")'%> and on server side I said : string str = linkbutton1.commandargument. But i m not able to access linkbutton outside of it. Is there someway of getting the value of linkbutton?
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May 19, 2010
how to hide a LinkButton inside a DataList? I've tried to do this but I do not work:
protected void Page_PreRender(object sender, EventArgs e)
{
foreach (var item in listanews)
{
DataList container = dlgestionenews;
if (string.IsNullOrEmpty(item.IdNews))
{
DataListItem itemdatalist = null;
foreach (DataListItem itemdl in container.Items)
{
foreach (Control control in itemdatalist.Controls)
{
if (control.GetType().FullName == "LinkButton")
{
((LinkButton)control).Visible = false;
}
}
}
}
}
}
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Jun 21, 2010
I am trying to hide a linkbutton dynamically depending on the role the user is in. I can hide my other linkbuttons that are located inside a gridview easy but when i use the same method outside of the gridview it does not work. Also if I hardcode visibility to false it hides it but when i am doing it dynamically it is not working.
[Code]....
Why is this not working the way I would expect this too work and can you show me or give me resources to fix this? I searched google but I did not find anything of use.
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Mar 10, 2010
I have a datalist and in its header template I have a linkbutton. In my codebehind file I wrote as I've always written: (LinkButton)(DataList1.FindControl "LinkButton1"))).Enabled = false; but this gives me the error: Object reference not set to an instance of an object. How can I access this linkbutton?
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Apr 14, 2010
how to pass value into linkbutton using HttpUtility.HtmlEncode?
when user click on Pass, i need to pass the value in UrlVaule to another page for some process.
my code as below but it cant work?
<asp:LinkButton
ID="lnkPassValue"
runat="server">Pass</asp:LinkButton>
lnkPassValue.Text = string.FormatlnkPassValue.Text, HttpUtility.HtmlEncode(UrlVaule));
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Feb 10, 2010
I have the following Jquery function to notify the user with a prompt when they have unsaved changes (similar to how SO does it) and are trying to leave the current screen.
<!-- in my aspx page -->
<script type="text/javascript" language="javascript">
window.onbeforeunload = function()
{
if (HasPendingUpdates())
{
return "Changes you have made will not be saved.";
}
}
</script>
This works as expected and shows the message box when the user tries to click a href to browse away or use the back button etc. The problem I am having is that one of my links is a asp:LinkButton because it needs to fire off some server side code before leaving the page. When the user clicks this LinkButton they get the prompt twice.
Scenarios:
User clicks the LinkButton
Prompt appears and user clicks the cancel button.
Prompt disappears and user is still on screen. GOOD.
User clicks the LinkButton
Prompt appears and clicks the OK button.
Prompt disappears and the same prompt shows again.
User clicks OK again.
Prompt disappears and user moves to the next screen and all is good.
So why am I getting the second prompt??? How is the OnBeforeUnload firing twice?
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Apr 28, 2010
I have the following Hyperlink as a button:-
<asp:LinkButton ID="loginButton" runat="server" CssClass="loginButton" Text="LOGIN" OnClientClick="return validateLogin(memNoID,pwID)" AddressOf="loginButton.Click"></asp:LinkButton>
It causes a postback but only executes the onload and prerender sections of code. It totally ignores the following function signature:-
Protected Sub loginButton_Click(ByVal sender As Object, ByVal e As EventArgs)
Some code
End Sub
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Nov 27, 2010
I'm trying to programatically add some link buttons to a page.
I'm trying to follow an example that I've seen online but can't get it to work.
I want the linkbutton to call a sub e.g. download_file(,)
As an example what I have is:
Dim lb = New LinkButton()
lb.CausesValidation = True
lb.Attributes.Add("runat", "server")
lb.CommandName = "lb_Click"
lb.CommandArgument = "test"
lb.Text = reader("filename")
lb.EnableViewState = True
lb.Enabled = True
AddHandler lb.Click, AddressOf download_file
Panel1.Controls.Add(lb)
Getting the button(s) to appear would be a start! Also, do I need to put them on a panel?
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Jul 18, 2010
I have dynamically added some linkbuttons top my page using vb.net
1) how do I add an event handler using raiseevent at runtime
2) I woul like to pass in a vlau to the fuction
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Jul 27, 2010
I have two textbox with a linkbutton next to it. I also have a gridview as well next to the textbox. The gridview has a select and hence a Gridview1_selectedIndexChanged. What i Would like to do and I dont know whether this is possible is basically to have a situation when the select is click on in the gridview, it populate the textbox with information and also change the name of the linkbutton to update.
Once the name is changed to update, it should be allow the user perform an update. Also, the update can only be performed to one textbox and the other textbox will be left as readonly However though, if the select from the gridview is not clicked on, it should allow the user to perform an insert and none of the textbox should be read-only.
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May 18, 2010
I have a LinkButton click event in asp.net 3.5 that I must assess whether a value exists and return a alert.
I have no idea how you can do. I think we need to Ajax
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Dec 28, 2010
I want the clients to be able to download a PDF file. So I've put on a LinkButton with the code:
Markup:
<asp:LinkButton ID="lnkPrintHere" runat="server" OnClick="lnkPrintHere_Click" Text="Click here" />
Code behind:
protected void lnkPrintHere_Click(object sender, EventArgs e)
{
Response.ContentType = "application/pdf";
Response.AppendHeader("Content-Disposition", "attachment; filename=" + fileName);
Response.TransmitFile("/_layouts/Files/" + fileName);
Response.End();
}
Everything works fine the first time the link is clicked. Subsequent clicks don't raise the OnClick event.
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