Losing Most Of The Page Content On Second Postback?
Jul 5, 2010
I have a form with a update panel. This posts the form and validates it. Returning a errorMessage string of any invalid field such as "Field xyz is a required field, Field abc needs to be a quantity" When I enter incorrect date it posts back fine and displays the text in a div at the bottom of the page which the update panel is aimed at to update. (and only this it should be changing)This works but the second time I hit say (say i enter invalid data twice) the Complete form will disappear leaving me with just the banner of the site and the error message that is returned.
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Nov 5, 2009
I am trying to copy the contents of a word document which is basically in a letter format.I am trying to copy it onto a rich text box editor...but when i copy it..i am losing all the formatting of the word document.This is the code i was using
Dim aDoc As Word.Document = WordApp.Documents.Open(outfile, missing, [readOnly], missing, missing, missing, missing, missing, missing, missing, missing, isVisible)
aDoc.ActiveWindow.Selection.WholeStory()[code]......
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Nov 4, 2010
HOW TO RUN THE JAVASCRIPT FUNCTION ON PAGE ONLOAD EVENT IN CONTENT PAGE OF MASTER PAGE.? means i have masterpage and the content page of master page namely default.aspx in vb.net.i wanna run javascript function in Default.aspx and i have called the function body onload in master page.when i run my website it shows the error "" Microsoft JScript Runtime Error : Object Expected ""
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Dec 30, 2010
I have a sample app here I could use a hand with Basically I'm trying to update the TextBlock on the main page using MVVM when the content the frame updates the the property. Please find the code attached below:[URL]..How do i get the button inside the frame to change the variable and update the TextBlock on the parent control?
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May 11, 2011
The thing is i have a Master page and a Content Page. I have a LoadComplete in Content Page and a PreRender in Master Page. The problem is one of my htmlcontrols on content page i change on the LoadComplete event server side of the content page. I also have some code for disabling controls on the Master Page PreRender event. For some reason all controls on the aspx side go through the Master Page prerender except the ones that i change on the LoadComplete side. How can i make sure the entire content page loads and then the Master Page PreRender event is called, making all the controls go through that event.
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Feb 18, 2009
I've got a handful of dynamic controls populating an ASP page, with VB.NET in the back-end.What I need is when the user changes the .TEXT value of a textbox and the page posts back, the .TEXT value of a Table Cell changes to reflect that change (it multiplies the value of the textbox by the value of another cell).But a Table Cell can't be set to AutoPostBack, and I can't for the life of me figure out how to programmatically refresh the page (force a postback) in the TextChanged event for the textbox.
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Aug 8, 2011
I have a page with three radio buttons and a calendar usercontrol. The radio buttons have autopostback and depending on which one you click it should change the calendar availabilities based on the selected index.The problem is that the page load of the calendar is executing first before the selected index change (where I am setting the needed id).
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Jul 2, 2011
I have master page in ASP.NET. I have added two asp controls to master page i.e. _EmpDROPDOWN and _findBUTTON.I have one content page. FindEmployee.aspx which shows result list of employees (Gridview) based on the selection made in _EmpDROPDOWN when _FindBUTTON is clicked on Master Page.I dont know how to read Master Page button click evenet in Content page.How to read master page button click event (VB.NET syntax) in Content Page?
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Mar 3, 2010
How to Update a div tag in Master Page using a button click in Content page? or Wise versa?
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Apr 8, 2011
I have a FormView bound to a SqlDataSource on my page. One of the controls on the FormView is a DropDownList, which gets populated on Page_Load (it's being populated with a list of file names from a specific folder).
Everything goes well when the page first loads. I am able to view the list of files, select one and, upon hitting the "save" button, store the correct filename in the database. However, when the page refreshes after the post back - the DropDownList is empty.
[Code]...
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Apr 13, 2012
I am working with adding up user's scores based on their checks in a CheckBoxList. Every time a user checks a box, a value, X, is added to the overall score. When a user unchecks a box, a value, X, is subtracted from the overall score. No problems here.
The problem that I am having is that using the AutoPostback option in the CheckBoxList properties forces the page to load back to the top instead of staying where the user was situated, which means that they have to keep scrolling down after each check/uncheck. Is there a way to prevent this?
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Nov 5, 2010
I can add NavigatorMenu item in Master Page like this:
Partial Class Site
Inherits System.Web.UI.MasterPage
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[code]....
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Apr 13, 2010
i have a page called a1.aspx, with the Masterpagefile = a1_master.master. Now the master page has its own divs and images for design purposes. I want a way where when i load a1.aspx, certain chosen 's and images should be hidden (visible=false). how can i do this? how can i change the visibility of a div or an image in the master page from the content page?
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May 11, 2011
Just as the title says. I have code that disables all controls that runat=server. Its as follows
Dim c As Control
For Each c In pc
If c.HasControls Then DisableAllControls(c.Controls)
[code]....
But I have a couple of href's in there that i want to disable also. I know they dont runat server, so how can i catch these?
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Sep 6, 2010
I have an web application of 200 web pages and all has a single master page. Most of the content pages use AJAX controls so most of content pages has its own ScriptManager. Now I have a requirement to add a link with HoverMenuExtender control and for that I need to put ScriptManager in the Master page, but it is working only in the content pages where there is not ScriptManager.
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Mar 9, 2010
I have a aspx page, in that page i have an Iframe. In the Iframe i do some stuff in code behind and when it is done I would like to do a postback from the aspx. In other words, Is it possible to do a postback programatically from the code behind of the iframe to the parent page?
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May 15, 2012
I have a form with:
[Code]...
Whenever I change the value of MyTextBox and press MySubmitButton, the select method of MyObjectDataSource is invoked and everything works OK. But if I change the value of any of my check boxes (without changing the value of MyTextBox) and press MySubmitButton, the select method is not invoked, thus the "MyObjectDataSource_Selecting" event doesn't take place and I get the same results as before.
One way I found to work around this was to explicitly invoke MyGridView.DataBind method whenever MySubmitButton was clicked. Is this the best way to handle these type of parameters? What I am afraid is that this may cause the select method to be called twice making the page slower.
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Apr 2, 2009
This code makes the the download dialogue open for the file I want downloaded .
Response.ContentType = "application/octet-stream"
Response.AppendHeader("Content-Disposition", "attachment; filename=" & FileName)
Response.TransmitFile(Server.MapPath("~/Admin/EmailLists/" & FileName))
Response.End()
After the download dialogue opens I need a series of changes to happen on the page, but I have noticed all the code after this code will not run. Anyone know how I can make the page changes occur AND get the download dialogue to pop up?
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Oct 20, 2011
When an UpdatePanel Calls a method in server and for example this method change textBox1.Text = "12312"
and this textBox1 was out of updatePanle scope it dosn't change it text till a postback happend to the page
so I need after that calculation and chaging the Textbox's text in the server, I need to forcepage to do postback
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Sep 23, 2011
when I clicked the send button it would work, but if you tried to hit enter it would just do a postback to the same page. Yesterday I thought I finally got it so it would work on chrome (it has been working just fine on firefox, but breaking on chrome/safari and it is an app for the iphone). But, even though I finally got it so it would change pages, it is now displaying an error. I narrowed down the cause to a postback that is being called right before the postback I want is being sent which is then cancelled. I assume the cancelled postback is blank because the problem I was having was the page would do a blank postback.[code]
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Dec 29, 2009
How can I check the 'Checked' property of a dynamically-created checkbox during the Page_Load subroutine? Basically, I have a VB.NET page that creates some table rows dynamically, based on a number selected by the user. So, for example, if the user selects "3" from a dropdown list, the page posts back and creates three table rows. Each row contains a couple of textboxes, a dropdown list, and a checkbox (which are all .NET form controls rather than plain HTML controls, I should point out).Typically, the user would enter a few details into the form controls, and click the 'Submit' button, after which the page iterates through each row, and inserts the data into a SQL Server table.But if the user ticks the checkbox for that row, this signifies that the page is to ignore that row, and NOT insert that row of data into the database when the user clicks 'Submit'. This works well, but there is a problem. If the user clicks 'Submit' and some of the values entered into the form controls are invalid (so, for example, the user didn't enter their name) then the page won't submit the data, and instead, shows an error to the user informing them of the values they need to change. But if the user creates three rows, for example, but decides to "ignore" the third row (by ticking the checkbox) then when the page posts back, finds some invalid entries, and re-shows the form to the user to allow them to correct any errors, I'd rather the page didn't render the third row altogether. After all, they chose to create three rows originally, but then decided that they only needed two. So it makes sense that the third row is not recreated.
But what seemed to happen was that objCheckbox.Checked was always returning False, even when the checkbox was ticked. Once the page had loaded, the table rows had rendered again, and the tick was present in the checkbox, so it's not like the value was lost on postback. But at the point I check whether the checkbox is ticked, it always returns False, rendering a table row that the user doesn't need.Does anyone know how to get round this problem? I've read lots of articles about the .NET ViewState, and the page lifecycle, but I've yet to find a solution that works. I simply need to be able to check if a checkbox is ticked before re-creating some dynamic controls. [code] But then I basically found out that you can't override a protected member with a public one.
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Nov 5, 2010
How can I call the Sub on the content page?
On the content page, there is let's say this[code]...
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Jul 7, 2011
I need to get the contents of a page (which is just an image) like http://11.11.11.11/code.aspx?product=33 but only ip:22.22.22.22 has access to that file. Therefore I need to be able to do it from my pics.aspx file on another server like http://22.22.22.22/pics.aspx?code=33 So far I have this script below, which can get the ?code=33. Now all I have to do is retrieve the contents of http://11.11.11.11/code.aspx?product=subKeys(Counter2). I have worked with PHP in the past so I don't know what I'm doing with asp.
[Code]...
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Jun 18, 2009
I am hoping to implement search in my asp.net website. I have been searching the web, but I am not sure which way to go. Here is what I am looking for:
ability to search the text in static pages on my site exclude pages or folders that I don't want to search code must be in vb.net or c# must be something I can quickly implement .net 2.0 or later preferred
The best example that I have found so far is [URL]
I like it. I am just hoping to find a more modern one. This one is written in .NET 1.0
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Aug 17, 2011
I have created a windows form application which goes through Internet Explorer index.dat files and extracts various information (URL's , date they were last accessed etc). I then display this information in a data grid view. From here i would like to be able to click on a URL link and open the web page without activating any active content (such as java script, activex, viruses etc). I have tried to do this using Internet explorer in 'offline mode' with the problem being if the web page requires an online connection it automatically changes Internet Explorer from 'work offline' to online mode. Is there a way around this problem? Or does anyone have any suggestions on a better way to view the web pages with no active content?
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Oct 10, 2010
I am currently using nested masterpages in my latest asp.net 4.0 project and i want to change the look and feel dynamically, so the homepage may just be 1 column wide, about us page may be 2 columns etc. I am dynamically loading the masterpage dependant on the record selected in the DB (1column.master, 2column.master) on the pre_init event of a static page (Load.aspx) which work succesfully however i need to be able to dynamically add controls to the page in order to get the desired layout. Is this possible, is there a better way of achieveing this?
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Mar 9, 2010
Im working on a application that will read content in a certain format from a custom php page that will echo out SQL Info. The PHP Page will echo in the following format;[code]And in my visual basic application, I have the following Text Box's..[code]When the user presses the button "Load Flight", I want the info from FlightID to go in Flight ID, The info in DEPICAO to go in Departure ICAO, And so on.
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May 26, 2011
I have a button in my master page. When clicked I want it to update my UpdatePanel, which in in a content page, not the master page.How to I add this button as a AsyncPostBackTrigger to my UpdatePanel?
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Aug 20, 2009
I have a master page called SampleMaster.master and this page contains a Repeater control
The Repeater control will be used to display the relevant tags associated with each content page and the tags will vary between content pages
The data extraction method Tags.GetTags() is working but I do not know the best approach to populate the Repeater control in the master page dependent on what the content page is.
Would the code reside in the masterpage page code behind or the content page code behind?
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Jun 12, 2007
i am putting this article in the right section. Actually i need a way to import all the controls i have in my html file on the vb.net application windows form.Basically i want a way to have a replica of my html page on to the vb.net windows form.in finding a way to read the content of the html file as we read the content of the xml file in vb.net.
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