Web Forms :: Cross Page Posting Values Getting Wrong
Oct 23, 2010
I am doing project in asp.net(3.5),c#.net and sqlserver2005 I am using cross page posting property from reviewsubmit.aspx page to principalauthentication.aspx, and to get the values to other page i am using get propery, here the problem is when i am posting details to other page from there i am submitting to db. if both users logged in at a time and submitted, second submitted user previouspage values coming as first submitted previous page values. what should i do, how can i resolve
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Apr 10, 2010
I have 2 forms and i want to pass data to the second from the first. All i get is null value or nothing. In the first page i have :
[Code]....
Before response i check the value and it's "7" Then on my second page i have. on page load, or on a button. Dim s As String = Request.Form("CurrentId") I have also tried with putting on markup:
[Code]....
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Jun 14, 2010
I have a form with 4 dynamically TextBoxes. I have a Button with PostBackUrl set to another form. In that form I am trying to access the Dynamic TextBoxes using Page.PreviousPage.FindControl("PlaceHolder1").Controls.ofType<TextBox>(). But I am unable to access the dynamically created textboxes.Am I doing something wrong or is it a Limitation?
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Jan 16, 2010
I have a user control where is a textbox and button with PostBackUrl="two.aspx". This user control I have on a page one.aspx. When I click that button, on two.aspx I want to have access to the textbox from ascx control. PreviousPage.FindControl doesn't work. How to do that?
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Mar 5, 2010
I use a Custom Validator (which validates on the server) and a button (it's PostbackUrl = "Page2.aspx").
When I press the button the browser show always Page2 without checking if the page is valid.
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Mar 26, 2011
I've been developing classic ASP pages at the job for the past five years and now we are moving to ASP.NET. I'm trying to understand how to get form field values from one page to another and it seems like there is more than one way to do it. In classic ASPI just called request.form collection and got the information. Which way is recommended in .net? Cross Page, Transfer, or HttpRequest?
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May 20, 2010
I am trying to pass a value between two pages. However on my target page, the value is not found. My source page includes the following code.
Public ReadOnly Property SQLString() As String
Get
Return "SELECT * FROM City"
End Get
End Property
On my target aspx page I have included the following directive:
<%@ PreviousPageType VirtualPath="~/tools/SearchResults.aspx"%>
In the target page code behind I have included the following in the page load:
Me.Master.Page.PreviousPage.SQLString
However, Visual studio complains that, SQLString is not a member of System.Web.Ui.page. I must note I am useing master pages, and vaguely recall this causing an issue when accomplishing this in the past.
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Jul 30, 2010
I have an interesting issue I have racked my brain trying to find a solution to.
I have a site with a single master page. Part of that master page is a text field and button. They are not part of a content placeholder, they are simply part of the master page, itself, and are intended to allow people to search the site from any page on the site.
So, all search requests are routed to a search.aspx page, regardless. I am doing this by setting the PostBackUrl attribute of the button control to "search.aspx".
This all works great, except when I try to use this search capability from the search.aspx page, itself. I figure this is because I am using the Page.PreviousPage object and since a postback from the search.aspx page, itself will result in the Page.PreviousPage being Nothing, it is not performing the proper action.
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Mar 25, 2010
I have a page (page1) with 4 controls that serve as the parameters for a report. The submit button does a cross page postback to another page (page2) that contains a ReportViewer control.Unfortunately, I cannot read the values from page1 once I get to page2. Here is the source to page1:
[Code]....
Here is the handling code on page2 (rvProjectStatus being the ReportViewer control):
[Code]....
In other situations I have passed such values in the query string and then assigned them to the parameter collection, no problem.Also, please note, I have tried using the @PreviousPageType directive to get at the types on page1, but have met with no success there either.
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Oct 4, 2010
I have faced with some strange behavior and I hope you will be able to tell, what I do wrong. My goal is to change the order of some object. This object has property Priority which defines the order. Objects render as a list and user can drag elements for prepare order. When user click save, JS code modifies Priority property in hidden fields in accordance with order of elements in the list. And this form is sent to the server.
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Feb 4, 2010
I have a page with two forms on it. The first form is a "Search" form and does not have the runat="server" attribute. It is merely meant to post some search criteria to another page on the site. The second form is the standard "aspnetForm". Inside that form I have a ModalPopupExtender... Within the ModalPopupExtender there are two buttons that should postback to the server when they are clicked by the user. My problem is that when the buttons are clicked the page posts back to the "Search" form... The only clue I have is that if I move the form to the bottom of the page (after my ModalPopupExtender), everything works fine. It seems that the extender uses the first form it can find on the page. Is there anyway to force it to postback to the correct form?
[Code]....
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Aug 1, 2010
I have a weird thing happening. I have two identical databases installed on one virtual machine but under two different instances of SQLServer. For some reason, periodically when saving from one it will save to the other instead. Using debug, I have verified that the connection string is correct and when the item saves, it still saves to the wrong database.I use session variable, and am of the belief that it might have something to do with it...and t hat when I go from one to the other it is still getting the connection string form the other for some reason.To make sure that it isn't a problem, I make sure that I completely close out one database before opening the other in a new IE window.I assume that when I completely close out an internet explorer window that it abandons all session states. Is that true?
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Feb 16, 2011
Instead of using cross join for select query, I need to used cross join for insert query. How to do this?
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Jan 26, 2011
I'm working on a mvc project that builts a table of items and each row has a button to submit that row to the controller. Now each button has an id and I use hidden input to store the data in that column. How do I post the id to the controller? I use Html.beginform() at the beginning and a submit button. I want the ID to appear in the URL so I can extract the data based on that.
Also I can see that my values are posted but they don't show up in the query string. How do I get these values in the controller? The code is like this. [Code]....
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Apr 4, 2010
I am tring to send form values to a page from a user control. I included the user control in a master page.When i use page.previouspage it can not get value. is there any way to send form data to a page from a user control included in a master page?
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Mar 14, 2011
I have a user control I am adding dynamically. It has a link button and a text area on it. The containing div is hidden via style sheet (client side), and I use some jquery to pop it up in a modal. It is getting added in the init and the button click event is firing on the server. BUT the textareas value is not being set. On further inspection the field value is not even being sent in the form POST data. why the value is not being sent. The rest of the form values are being sent with no problems.
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Sep 3, 2010
have an ASP.Net page with two ListBox components, rendered in the browser as <select> lists. I'm using jQuery to move elements from one list to another by manipulating the DOM. I then select all elements with the mouse and postback the form. That way, all the list elements are posted with the form.When I submit the form, in my button_save() event handler, the Request.Form[<<listbox ID>>] values are correct. However the ListBox controls themselves, specifically their Items collections, do not reflect my changes.I've also used Fiddler to modify the select items and submit the form. Same as above, the ListBox values are no different, though the Request.Form values are. Would anyone know what's going on or what incorrect assumptions I'm making?
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Oct 26, 2010
I have been writing a customer based applicationweb form. In the case "the button" takes information from textboxes and "updates" the Access database with the input. The problem I am running into is that for "LName, Zip, and Phone" -- the program is returning values of zero for only these 3. Here is the code.
protected void Button1_Click(object sender, EventArgs e)
{
string ss = TextBox1.Text;
string fName= TextBox2.Text;
string mName= TextBox3.Text;
string lName = TextBox4.Text;
[Code]....
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Jun 30, 2010
I have vertical image slidslow using datalist. on left side i have vertical scrolling thumbnail items. if we click the thumbnail i need to load all
related fullsize images on right side of the thumbnail. i need to load all full size images without posting the page.coz if i post the page my thumbnail images position get reset and starts from begining. so i need to avoid this.
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Jan 31, 2011
when any Button control is clicked generally it Postback the page to itself, and the same page is regenerated.This is the usual defination of postback in context of a Button Control. But my dear friends i am confused that what is the actual mechanism behind this.Okey say for definition the above statement is fine but believe me i not not getting the actual meaning.What is posting back the Page? What is Page in browser's context? There is only html markup, JavaScript and CSS codes in browser's page.These make up the html page. I think there is no any relation of this Browser's page with ASP.NET Page class. What does it mean that browser's content is posted back to the Page itself ?
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Mar 13, 2011
I've been having trouble getting a postbackurl to work, so I tried to do a simple test between two pages and I still get the same thing.
[Code]....
That's all I have on Test1.aspx, yet no matter what I do it just postsback to itself. I can't get it to direct to Test2.aspx. I've tried LinkButton too.
I'm using VS2010 and the builtin webserver.
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Mar 13, 2010
I have a problem of posting back in my website in some browsers. The Problem is: When I am uploading a file using file upload and button or posting page back on some event click after button click I am using:
ClientScript.RegisterClientScriptBlock(Me.GetType, "AddData", "alert('" & f_u_devideo.FileName & " Uploaded Successfully');", True)
But after that the page not not load again and a blank page comes in some browsers
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May 25, 2010
I have a button on my web form. When it is pressed, the event method for that button is called as it should be. However before the buttons method is called, the page load event is first called. Is there a way to prevent the page load event from being called when the button is pressed? I know about using !Page.IsPostback in the Page load method. However I wish to avoid posting back to the Page Load method altogether when this particular button is pressed.
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Apr 5, 2010
I try to postback my page to the server using ctrl+Enter sequence.Without UpdatePanel it works well, but it works only two times inside updatepanel and then my control loses the focus. So I have some questions:
1. Why my control loses the focus if it is located inside updatepanel?
2. What is the best way to use ctrl+Enter sequence to post the page to the server?
Here is my code:
[Code]....
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Feb 21, 2010
I'm working on a wizard-like set of page, and I'm relying on cross page postbacks to navigate between them.
I need to be able to trigger the Load event on the previous page in order to save the form data for the page.
I've been told that for situations of this sort all I had to do is access the PreviousPage property in the destination page and this would trigger the load event of the previous page but for some reason this doesn't seem to be working.
Is there anything else I can do to explicitly trigger the load event on the previouspage if the PreviousPage property is not null?
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