postback

Avoid ASP.NET postbacks

How to Avoid ASP.NET postbacks? ...

Getting a dynamic controls value after Page_Load in C#?

Hello. I have two web parts that communicate. The provider can not give a value(an RID) to the consumer until at least the provider's Page_Load event. So the consumer can not know the RID it needs until after Page_Load. So, I hooked into Page_LoadComplete. Now there is a problem. The consumer creates dynamic controls based on this RID. ...

why cant i get the $_post for some values this?

Hey all, I'm still pretty new to php so I'm a little shaky on getting the post value for things across pages. I have an online application that I am making and so far its mostly working but im running into a problem with 3 fields that seem to not want to transfer over no matter what I do. I have other variable I'm getting in what i s...

Manuell Postback in ASP.Net

Hi, how I can do a manuell postback in the code? I don't want a Redirect, because e.g. the user has entered values in fields in the site and decide than to login. I only want a simple Postback. ...

Manually calling __doPostBack('myUpdatePanelId','mycustomeventarg')

In my Javascript I am manually calling __doPostBack('myUpdatePanelId','mycustomeventarg') It works fine except the EventArgs in my protected void Page_Load(object sender, EventArgs e) is always empty. Do I have to cast it to something else somehow? ...

Intercept asp:LInkButton postback for client side confirmation dialog?

I want to inject a confirmation dialog to allow the user to cancel the click before the postback occurs. What's the cleanest way? <asp:LinkButton ID="Btn_RemoveContractPeriod" Text="Remove" runat="server" OnClick="OnRemoveContractPeriod_Click"/> ...

ASP.NET Server Control based on RadComboBox - Postback issue

I am trying to create a custom control that extends the RadComboBox from Telerik to create a Dropdown Checkbox List with default templates. The plan is to use the control in several places so I wanted to consolidate all of the logic in one spot. However I am experiencing a couple of weird issues on postback. If you check a couple of i...

Javascript Postback Event

I have a user control that is supposed to write a value to a hidden field every time the consuming page posts back. Is there any way to trap the postback event at the page level? Perhaps I can wire up an event so that I can run a function every time the page posts back. Thanks. ...

Response.Redirect to same page without Page Refresh

I need to do a response.redirect to the same page. How can I do this without the page "refreshing" or "flashing"? I can't use updatepanels because, this is a search website and I want the user to be able to use the browser's back button. I have some search filters on the page, and each time a filter is clicked, I do a resposne.redirec...

TreeView control - Is it possible to collapse w/o a postback?

Everything i found online so far is very confusing about TreeView. I know it has a built-in callback, that developer can populate nodes from server on demand, etc etc. I understand the populate node on demand - nodes populated from the server on demand (expand) works with the callback - and doesn't refresh the whole page - but it still ...

C# and JQuery, strange behaviour on postback

Hi, I have an asp.net web site in which I'm trying to insert some ajax call to gain some loading time on page opening. SCENARIO: On page A.aspx I use JQuery $(document).ready() event to trigger an ajax call (via the ajax() method). The ajax call targets B.aspx page (in the same site) which renders a portion of html that I eventually inj...

asp.net forms ScriptManager __doPostback

Hi, Why does the ScriptManager ALWAYS insert the __doPostback method in javascript, even on an empty page where no controls can cause a postback? Thank you ...

determining that a Postback opens a new page

I have a page (page1) with a LinkButton that, when clicked, will take the browser to a new page (page2). When I click the LinkButton page1 posts back and hits the Init and Load event handlers for page1, and then moves on to page2. How can I tell in the page1 postback that I am about to be taken to a new page, as opposed to clicking a B...

GridView type of control in ASP.net without autopostback

Is there one? or should I just resort to using the good old manual html table + manual population from code behind? Or is there a way to disable postback on gridView? ...

ASP.net Button on Postback gets a DNS error in IE

I have a button on an ASP.net page. <asp:Button Text="<%$Resources: WebResources, Export %>" ID="BtnExport" runat="server" OnClick="BtnExport_Click"/> The issue is that when I try to export more than 130 items the page will not postback and go straight to the dns error page. The code works fine in firefox, safari, and chrome. The is...

calling __dopPostback from javascript where target control is an ASP.Net custom control

I need to pop up a jquery dialog as confirmation before a submit happens. I don't want the dialog to always pop up, that depends upon the setting of a dropdown. The submitting control (which I can't change by the way) is a custom control with a save and a cancel button and handlers for the save and cancel buttons. So when the user has ...

maintaining the state of Newly added row in custom gridview. on postback

I have a custom gridview on rowdatabound i am adding new gridviewrows . but on postback the data in newly added row is not persists. Please help me to maintain the state of grid on postback as well...Actually i m showing group header rows and footer rows and showing some calculated values in group footer row...but on post back the values...

ASP.Net's auto-postback. What happens when its too slow?

Hi, I am making a web application. I have gotten a weird error with update panels. Ok, so say you have two update panels and each update panel has a textbox in it. Both of these textboxes are auto-postback and the update panels update conditionally. Well, from the behavior I'm observing it seems like if the server isn't faster than the...

asp.net validators still posting back

I'm using the default validation that comes with .NET The problem I am having is that even with JavaScript enabled on my browser, a basic validation is still allowing postback. <asp:TextBox ID="TextBox1" runat="server" /> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="RequiredFieldValidator" C...

How Do I Get a Dynamic Control's Value after Postback?

I have a listview that adds controls in the ItemDataBound Event. When the postback occurs, I cannot find the new controls. After a bit of research, I found that ASP .NET needs these controls created every time, even after postback. From there I moved the function to bind the ListView outside of the if (!Page.IsPostBack) conditional. ...