Validation - False Per Textbox Instead Of Per Page?
Aug 23, 2010
Is there a way to disable request validation for just certain textboxes instead of the whole page? I'm using Server.HtmlEncode/Decode because users are legitimately using < and > characters but I don't want to use ValidateRequest="false" on the whole page because someone could add a textbox later and forget to escape the input in which case I would want validation to occur so the error would be discovered rather than be vulnerable to html injection. It seems like there has to be a simple solution but I'm not having any luck finding it.
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Sep 13, 2010
I am having 2 (dept name, City)dropdownlist, 1 Save button once if we click the save then record will be displayed in grid (Gridview with ShowEditbutton =true and I have Edit logic in my page). But if I click on Edit button then if I try to update the value then it is firing a message "Select dept" because dept dropdown present in the page so I want to make cause validation false for Show Edit buttons (update and cancel).
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Sep 23, 2010
I have an .aspx page with a couple of textfields. I validate these with jQuery validation plugin when the user clicks the submit button. When the submit button is clicked I also open up a new window, but I only want to open the window if the fields are correctly filled out.How do I stop the window from opening if the fields are not validated?
.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
[code]...
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Jan 19, 2011
I need to perform a validation to check whether a TextBox value is empty on Dropown list selected Index change using validation controls in asp.net
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Jul 24, 2010
Is it possible to send a html text entered in asp.net text box without making validaterequest to false.
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Jan 31, 2011
I have a textbox with a regex validator attached to it and some stuff in the ontextchanged code behind. This all works fine unless I start the textbox out with Visible=false. Obviously, I'm setting the textbox.Visible to true later on in the codebehind, but when I do this, no postback occurs when the text changes. I'm pretty sure I have isolated the cause to when I change the visible property, but has anyone seen anything like this or know some sort of work around?
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Jul 8, 2010
I have a search control in my master page with the following validation on the search btn's OnClientClick:
[Code]....
Then in the content page I have various controls with validation and a validation summary. I have few custom validators on the content page like below:
[Code]....
which uses the clientvalidationsfunctions which set the validity of the page.Now when I leave the search box in the header blank and I click the submit btn in the content page it posts me back to same (source) page and while debugging I find that the Page.IsValid is false. But if I write something in the search textbox in the master page and the fill the required fields in the content page and click the submit btn in content page it works fine. Why is that so? My validation groups are different on master page and content page.
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Mar 9, 2010
I have an update panel which has 2 set of controls each in their own separate panels. We can select either panel by a checkbox list and they become visible. Now I am trying to set a value by javascript in the panel that becomes visible on my checkbox click but the problem is that I cant access the controls through javascript as they are not rendered on page as visibility is false.
I cant find the controls inside the page source even though they are visible on page so javascript cannot access them. Is there any way other than doing a postback and setting them visible to access them via javascript?
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Jan 28, 2011
I'm using 3 text boxes for allowing user selecting different ranges. I want to perform below validations on three text boxes.
1.User should enter a value (i.e. a valid number,doesn't allow to enter zero,decimal numbers and negative numbers) in 1st text box.
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3. 3rd text box value should be greater than 2nd text box.
I want to perform validations on client side only using JavaScript. If anything goes wrong I want to populate a message box.
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Mar 8, 2016
I have TextBox1 (enabled = true) and TextBox2 (enabled = false) in my WebForm on loading. Both are validated by means of a RegularExpressionValidator.
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Can this be done on client side exclusively or is some code behind absolutely necessary ?
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Oct 8, 2010
I just want to add some client side (JQuery Javascript) validation in a web user control. I put an OnClientClick handler and the function gets called. BUT, even if I return "false", the OnClick method always get fired. What am I doing wrong ?
I'm with VS 2010, targeting the 4.0 framework with JQuery 1.4.2. and JQuery UI 1.8.4.
Here's a sample code :
<td style="text-align:right"><asp:Button ID="btnAddSave" OnClientClick="return ValidateMail();" OnClick="btnAddSave_Click" runat="server" Text="Submit" /></td>[code]...
If I put a breakpoint in the Page_Load event, I see that I get in and the btnAddSave_Click event is also executed.
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Feb 10, 2011
I try to create a asp.net mvc 2 application.
My DropDownList won't be validated!
I have a core model class called Animal with some attributes and the same for the class Genus. These classes are mapped to nHibernate.
[code]....
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Feb 8, 2010
When any of my page is idle for about 20 minute, and after that if I hit any button, like Sumit Button or any other button, at this time, Page.IsPostback is again False, and none of the click event is fired and page gets reloaded again.
This happens only if I go like this, open up any of my webpage, keep it idle OR do nothing for about 20 minute, exactly on 21st or 22nd minute, Click on any of the button on the page, and the page gets reloaded, click event does not get fired. I debugged for this and I checked the Page.IsPostback value at this point and I got it as False after 20 minute, I don't know why. It should be True. And because of this my page gets reloaded and nothing gets submitted and every control is in the blank position once again and user have to enter everything again.
But if I enter everything and hit any of the button or Submit button within 20 minute, then everything works fine, Submit button's click event is also gets fired and everything works perfect.
And this is happening in all of my page. I am not sure what configuration is wrong.
But just for more details, I have a master page, I am using Telerik Controls and I have session Timeout set as 60 minute everywhere, in web.config and in IIS settings and in my App_Pool also. On my Master Page, I have ASP:ScriptManager, Tekerik:RadMenu, ASP:ContentPlaceHolder controls and some other controls and javascript code too.
[code]....
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Apr 16, 2010
I have a page with a (gridview nested within a gridview) in an UpdatePanel (UpdateMode="Conditional"). The nested gridview drops down when you click on an arrow and then you can click on each subgrid rows command field. The gridviews are loaded from the Page_Load event. When I click on the commandfield in the subgrid the Page_Load fires during the partial page postback. From what I have read this is normal with UpdatePanels. But What I don't understand is why both Page.IsPostBack and ScriptManager.GetCurrent(Page).IsInAsyncPostBack test false after I click on the command field in my grid. I need to stop the rebinding of the gridviews ( which causes the subgrid to collapse ) when the command field is clicked.Also: I am using MasterPages and the <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> is located in my mater page form section.Would anyone have any suggestions how to test if a partial page postback is occuringHere is a link to the page source: http://pastebin.org/153774here is a link to the code behind: http://pastebin.org/153781
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Apr 27, 2010
I am using Visual Studio 2008. I have created a login screen and when user enters invalid userid or password, I am displaying error message in label by checking the database.
I am clearing the label, txtUserName and Password on click of Refresh button. But still the label message is appearing because UserName and Password controls are not clearing
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Aug 17, 2010
I have cause validation true on button. And I am checking the Page.IsValid in c# code. But its always returning false value?
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Mar 23, 2011
I'm developing a custom URL Rewriter for a ASP.Net 3.5 project. This rewriter is not functionally different than most rewriters out there, the only difference being that the friendly URL collection is not loaded from a web.config file -- it's coming from a database instead. I made the naive assumption that it would be easy to develop a custom rewriter module from scratch, but now I know the mess I put myself in. I digress; let's go straight to the technical issues.
While testing the rewriter, I set up a friendly url that would take the user to a web form. Postbacks from this form should not alter the friendly address, as anyone would expect, sohttp://my.web.site/app_root/FriendlyURL is always rewritten asttp://my.web.site/app_root/not_friendly/form.aspxThings are fine when the browser first loads the FriendlyURL. The page comes up and is completely functional. However, when the form is posted back to the server, the page simply reloads but, at server-side, IsPostBack is false. It's like F5 was hit, except that a HTTP POST had indeed occurred.Unsurprisingly, when the interaction occurs through the "unfriendly" URL, the POST action triggers the postback as expected. This evidence suggests that HttpContext.RewritePath is somehow messing with the page lifecycle in a way that it loses sense of the postback operation.
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Feb 23, 2010
Why does this markup ...
<asp:TextBox ID="TextBox1" runat="server" CausesValidation="False"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegExValidatorTextBox1" runat="server"
ControlToValidate="TextBox1"
[code]...
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Feb 21, 2011
I have used validation in a couple of pages in my new MVC app, and I noticed that whenever a textbox is invalid, it's width and length will usually change slightly when the validation error is displayed on the page. I have been using this css :
[Code]....
I am wondering, does everbody get this, or is it just me?
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Jan 20, 2011
how to validate
1.TextBox should not accept the DateFormat
2.Should not accept only numbers
3.it's accept combination of numbers and alaphabets.
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Jul 26, 2010
I want to pop up a message box when page.isvalid = false. How to do that?
[code]....
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Feb 27, 2010
I have an asp.net page that sets a few session variables. On my development machine (localhost), I do a postback and the session values are still populated.
When I Reload the page by clicking on the url bar and pressing enter the session variables are still there.
However when i deploy this page to a webserver, the page still retains the session values when doing a postback, but as soon as i click the url and press enter the session values are lost (where the ispostback = false)
But when i press the refresh button the session variables are present (but i do get a popup warning me that the page data needs to be resent!)
i am running IE 7, and the webserver is iis6 what am i doing wrong?!
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Dec 16, 2013
I have some values entered in text box in one page
in second page if i select checkbox all my entered values in textbox must be entered in this page textbox
there is no connection between page one and two I am not redirecting page A to page B vice versa.
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Dec 22, 2010
Requirment is: while enterening the value you should know that this values is already we have used in data base for that textbox field.Please give code in .aspx and .aspx.cs with database if any
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Apr 26, 2010
I currently have 3 textbox controls on my page. I also have a required valdiator of each of the textboxes. However I only want the validator for a textbox to fire if there is text in either of the other 2 textboxes. If all 3 textboxes are empty then no validators should fire. Is there any way I can do this in javascript/jquery as I want the user to get the best experience possible.
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