Web Forms :: Get Status Of Validation Control( Whether Page Is Valid Or Not)?

Feb 8, 2010

I have a aspx page with 5 validation control, if the data is not proper it will say fill the Name, address etc. i want to get status of validation control either true or false in javascript how to get it that

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Setting Response / Status Generates "HTTP Status String Is Not Valid" Exception?

Jan 9, 2011

I'm writing an HTTP handler in ASP.NET 4.0 and IIS7 and I need to generate a file-not-found condition.

I copied the following code from Mathew McDonald's new book, Pro ASP.Net 4 in C# 2010. (The response variable is an instance of the current HttpResponse.)

response.Status = "File not found";
response.StatusCode = 404;

However, I found that the first line generates the run-time error HTTP status string is not valid.

If, instead of the lines above, I use the following:

response.Status = "404 Not found";

Then everything seems to work fine. In fact, I even see that response.StatusCode is set to 404 automatically.

My problem is that I don't want this to fail on the production server. So I'd feel much better if I could understand the "correct" way to accomplish this. Why did the first approach work for Mathew McDonald but not for me? And is the second approach always going to be reliable?

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Forms Data Controls :: Get Row Status Of DataGrid In User Control Page From ASPX Page?

May 15, 2010

My Question is related to access the rows in one page and putting conditions in another page.I need to check whether a datagrid has row in it or not. DataGrid is in .aspx page. Based on this checking i need to write a condition in .ascx page.the .ascx on which condition is checked is linked to .aspx page. Meaning that UserControl1.ascx is Register with Default.aspx pageI am using VS 2003let me know if any input is needed from my side.

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MVC: DropDownList Validation / Saying Value 'null' Is Not Valid For Gender?

Sep 2, 2010

Note: The following is just an example.

I'm pretty new to ASP.NET MVC and I'm trying to get my head around how validation of dropdown lists work. I have the following property in my ProfileViewModel class:

public bool? Gender { get; set; }

null is meant to mean "unknown", true female and false male. In the view model constructor I

AllGenders = new List<SelectListItem>(2)
new SelectListItem {Text = "Unknown", Value = "null"},
new SelectListItem {Text = "Male", Value = "false"},
new SelectListItem {Text = "Female", Value = "true"}

First of all, it seems that I have to use strings when populating a List<SelectListItem>, which feels kinda weird. Is this really how it's done?

Secondly, when I choose "Unknown" in the list the validation fails telling me:

The value 'null' is not valid for Gender.

Why is that? When I remove the "null" option and change Gender to a simple bool, everything seems fine.

This is the ASPX:

<%= Html.DropDownList("Gender", Model.AllGenders) %>

(I can't get DropDownListFor to work correctly and it seems that many others have the same problem.)

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Web Forms :: Validation Control Increase Page Size?

Sep 13, 2010

In my web page I have lot of validation controls. These controls emit some script block to the page, that increase my page size

Is there any way to put that script in to separate js file need client validation also.

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Web Forms :: Master Page Validation Effects Content Page Validation?

Jul 8, 2010

I have a search control in my master page with the following validation on the search btn's OnClientClick:


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:


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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Jan 26, 2010

Having a very strange problem and just wondered if anyone could shed some light on it. I have a page that takes a file and posts it (using a flash control) to another page on the same site. Now this other paged is used simply to take the file from the request and save it to disk. However when i try and set a session value there the calling page can not access this session variable (no matter how long i do a thread.sleep. It is simply nit finding the variable.

When i looked deeper into this I ran trace.axd and much to my surprise the page that is called does not show up in the list. But it is defnitely being called as the file that the original page sent has been saved to disk.

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Web Forms :: The Page Contains Markup That Is Not Valid When Attached To A Master Page

Feb 9, 2010

I have a web application with a Master Page, two pages in my project needed to be out of the master page template and display different styles so I indicated the folder that contains the style sheets for each one of my pages like this:

<%@ Page Language="vb" AutoEventWireup="false"MasterPageFile="~/Site1.Master" CodeBehind="Welcome.aspx.vb"
Inherits="B0_1.Welcome" StylesheetTheme="Default" %>

(or StylesheetTheme="Print" accordingly) [code]...

App_Themes directory contained only Default

The application runs ok but every time I want to modified something the first time I open the page in the design view shows me the following error:The page contains markup that is not valid when attached to a Master Page correct the problem in the code view

Then I click view code and it is highlighted the wrong section that is always all what is in the ContentPlaceHolderID="head".If I cut this bit, go to the design mode and then go back to the code mode and paste the bit of code again I can see the design mode without problems and switch to the code view as well without problems. It is very anoying and I don't know if it will affect
me in other ways.

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Web Forms :: Dropdown Validation Not Working When Add Validation Control In Code Behind

Mar 19, 2010

I am creating dropdown controls in code behind. in some conditions I need to add validation control to dropdowlist. But Validation not firing when I submit button.

If mQuestion.RequiredToAnswer = True Then
Dim mValidator As New RequiredFieldValidator
mValidator.ControlToValidate = mDDL.ID
mValidator.InitialValue = mDDL.Items(0).Text
mValidator.Display = ValidatorDisplay.Dynamic
mValidator.ErrorMessage = "* Required!"
End If

I have other dropdown controls on aspx page with validation comtrols. Those are working fine. Only when I ddl and validations from code not working?

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Web Forms :: Validation Control - Finding Syntax For The Validation

Nov 1, 2010

I am using the File upload control in asp.net

In that control filter option not available at least i need provide the validation for file upload control

like xml, xsls, txt

give me the syntax for the validation.

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Web Forms :: Place A Login Status Inside A Menu Control?

Nov 2, 2010

I want to place a LOGIN STATUS control inside a menu control.

Here´s my idea:


But it returns an error to me. How can i place a LOGIN STATUS inside a MENU control ?

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Web Forms :: Load Status Without Page Refresh?

Mar 28, 2011

We have a webpage with dotnet framework 3.5 and c# as backend language.

This page is triggering a load process from Excel to database. User want to see the status of the load process like how many records have been loaded every 1 minute.

User want to see it without the page refresh plus, technically it restart the load process also.

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Forms Data Controls :: ListItem Error Message Validation(ASP .Net):Attribute CssClass Is Not A Valid Attribute Of Element ListItem

Sep 17, 2010

I have a tag:


and I am getting the error message

Validation(ASP .Net):Attribute CssClass is not a valid attribute of element ListItem.

What attribute would I use for Css with ListItem?

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AJAX :: How To Reset Validation Control Without Page Getting Refresh

Oct 29, 2010

may i know how to reset validation control without page getting refresh by javascript or coding

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Web Forms :: Hide The Label When The Page Is Not Valid?

Nov 19, 2010

I have a registration page with some validation control. There is also a label that is invisible by default. When I click on a button and the page is valid the data is inserted to the database, the label becomes visible (there is text something like: The data has been inserted) and the textboxes become clear so the user can insert another row to the database. Now when I click on the button again and the page is not valid, I get some message kind of insert the name but the label with the text The data has been inserted stay visible. How can I hide the label when the page is not valid?

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Query The Page For The Table So That The ASP Page Returns A Valid Page On Request?

Jun 17, 2010

I am wondering if there is anyway to grab the html that is generated from an ASP page.I am trying to pull a table from the page,and I foolishly used a static html page so I would not have to be constantly querying the server where this page resides while I tested out my code.The javascript code I wrote to grab to unlabeled table from the page works.Then when I put it into practice with the real page and found that the ASP page does not generate a viewable page with a jquery .get request on the URL.

Is there any way to query the page for the table I need so that the ASP page returns a valid page on request?(I am also limited to using javascript and perl for this,the server where this will reside will not run php and I have no desire to learn ASP.NET to solve this by adding to the issue of proprietary software)

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C# - Validation Controls In User Control Not Stopping Page Postback?

Jan 28, 2011

I have a asp button and a user control containing custom validator in it when i click the button that is present on the page not inside the usercontrol, the user control client side validation occurs and displays the javascript method regarding data entry failure but when i click the javascript alert box ok button, the postback gets occured automatically i want to stop the postback if the user control contains invalid data in iother words the postback get occured only when the user control contains the valid data.

I have already done this type of coding in javascript:

function CheckTimeRangeTo_9(sender, args) {
var e = document.getElementById('<%= ddTimeTableTo_9.ClientID %>');
var totalToTimeInMins = CalculateTotalMinutes(e.options[e.selectedIndex].value);
var totalFromTimeInMins = CalculateTotalMinutes(args.Value);


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Web Forms :: Retain Treeview And Its Status On Page Load Inside Iframes

Apr 21, 2010

I have 2 iframes in my page and 2 separate pages linked to each of these iframes. In one iframe page a tab control is placed with treeview on each tabs and the tree items are selectable (treeview with checkbox). On navigation of one tab from other an XML document stored in session is being updated with the selected treenode values.

The second iframe page is places on right side of the page which summarize the selected made on the each tabs. To do this, the page is getting loaded on tab navigation and in page load of that page, the treeview id created and displayed. We created the treeview as an object and kept in session variable then added into a panel. The only modified areas require to be updated instead of binding the entire tree on each tab's navigation.

1. The treeview must retain it's collapse/expand status on tab navigation which is not happening now.

2. When I set EnableClientScript property to true, I'm getting error on expand/collapse as Undefined 'somenodename' error. If I set the value as false, then postback is happening which should not.

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Forms Data Controls :: Populate Gridview In One Page With One Query With Different Status?

Jan 26, 2011

I have a gridview with column name:

Pending, Waiters, Opened

and in the rows under column there are figures like:

30, 50, 28
65, 0, 214 etc.

My program is working fine, when I am clicking 30, a new page opens and displays 30 rows, when I click 28 another page opens and displays 28 rows and so on.

In datatable there is a column named Stauts, actually Pending, Waiters,Opened are the status.

In dataset in table adapter I used thress queries one for "Pending", second for "Waiters" and third for "Opened".

To display data I created three pages with gridviews.

I used query like:

Select * from ..... Where status ='Pending'
Select * from ..... Where status ='Waiters'
Select * from ..... Where status ='Opened'

What is Required:

I want to make one query with status =@status and want to use header name in query or in vb.net coding and want to make only one page to display record.

To put my question as an idea/example I used three status but in real scenarion I have lot of status. If I have lot of status so I have to make lot of queries and have to create lot of aspx pages to display data in gridview that is not the correct logic.

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Web Forms :: Change Contents Of Page Based On User Login Status

Jun 11, 2012

i want to change contents in content place holder based on the user logged in or logged out

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Web Forms :: Client Side Script Returning Status OK Before Fully Rendering Page?

Feb 19, 2010

I have a page that downloads a dataset and streams the output to an Excel file by modifying the response headers.

I want to write an AJAX call on the client side that can display a modaldialog while the file is being generated and dismiss the modaldialog when the file has been fully rendered.

I can turn the dalog on when the user clicks a link, but for some reason my pages return readystate 4 and status 200 prematurely. (These are the codes that say the page is done)

Because this is happening, either the modal dialog is dismissed immediately or I need the user to dismiss it.

Has anyone seen this before? Is this an issue with streaming a file instead of hitting a physical page?

Does anyone have a work-around, or will I need to have the user manually dismiss the dialog?

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Non-existant Page Returns 302 Status When Using A Custom 404 Page?

May 17, 2010

I have setup a custom 404 page custom404.aspx that returns a "404 Not Found" error correctly, however the non-existant page that was initially requested returns a "302 Found" status.So when I test thispagedoesnotexist.aspx, it returns a "302 Found" then the custom404.aspx loads and returns a "404 Not Found" status.I want to make sure that search spiders/bots understand that the requested page does not exist and should not show up in any search results.

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AJAX :: Control Validation In Page With Ajax Control Toolkit?

Nov 5, 2010

i have a page with some control like update panel and cascading dropdownlist. I have added some asp require validators but it does not working.

I have an asp image button with a postback url set. When i click on this button, the validations does not occurs and the application goes to the next page.

I am using the asp.net ajax validators too.

this is the event of the button:


this is the code of one of the DDL



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Security :: Login Status And Control Not Logging In?

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Is there something here messing up my login functionality? I can't log in. Before when I was logged in, I couldn't log out. It seems to have started when I clicked on "Remember me". Could there be something conflicting with web.config and the aspnetdb profile provider service setting that was initially set regarding profiles/roles/access?


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C# - How To Change Login Status In LoginView Control

Feb 18, 2011

How to change status from first Template to second template when I'm login into the system?

<asp:LoginView ID="HeadLoginView" runat="server" EnableViewState="false">
[ <a href="~/Login.aspx" ID="HeadLoginStatus" runat="server">Log In</a> ]
[ <asp:LoginStatus ID="HeadLoginStatus" runat="server" LogoutAction="Redirect" LogoutText="Log Out" LogoutPageUrl="/Logout.aspx"/> ]

How to detect login status?

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