Web Forms :: Give Serverside Validation To All Controls In A Aspx.net Using C#?

Jan 30, 2011

How can i give validation to all controls (like textbox, radiobuttonlist, checkbox, fileupload) in my aspx form in server side.... and also validation for controls with regular expression in serverside...

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Web Forms :: Give A Client Side Validation All The Function Work,but In Confirm Password Its Not Hide Wen Give A Correct Password?

Jun 16, 2010

I have create a masterpage and add content page include user (firsname,lastname,password,new password,confirm new password adn etc..)detail update field. i try to give a client side validation all the function work,but in confirm password its not hide wen give a correct password.. anybody give correct solution..code are below..


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Give Alert Messages In Checkboxlist Using Validation Controls?

Mar 18, 2010

How to give alert messages in checkboxlist using validation controls.i had done two controls 1.Dropdownlist 2.checkoxlist.

but for dropdownlist i have given alert messages using required field validator.but not for checkboxlist.

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Forms Data Controls :: Javascript Validation For Assigning Validation Group To Validation Summary On Datalist Item Click?

Dec 25, 2010

I am using one datalist control for uploading multiple images.I hv used one Asp:FileUplaod Control and one button in one itemtemplate.I am using reqired field validator and regular expression validator for file upload cntrl I am assigning validation group for both of them on ItemDataBound event of my datalist so that each upload cntrl hv same validaton group as required field and regular expression validator.Now what i want to do is - i want to show my error message in validation summary which is right at the top of the page.I want one know how to write javascript that will assign validation group of my control in datalist on which i click ?

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Web Forms :: Save And Validation - Insert Command is In The .aspx?

Feb 17, 2010

I have all the code to save and all the code to validate. My question is will my code in the button(.aspx.vb) validate if my insert command is in the .aspx

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Serverside Controls Vs Html Controls From AJAX Point Of View

Mar 8, 2010

i know this question have been mentioned alot here but mine is a little more updated, now with ASP.net 4 and new Ajax client templating plus JASON services. so if i got all these new capabilities will i really need server side controls as long as i can bind on client side, create data-views on client side heck i can even use data-context and apply CRUD operations on clients side.

so i actually i wont need button_click server side event or what so ever... i am asking this because i own some commercial Controls like Telerik and Component art and they both offer client side operations ow but still i am confused as to my knowledge creating these controls will still have to go through Page Life cycle

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Web Forms :: Button Click Validation - Why It's Fairing And Redirect To D.aspx Still Textbox Empty

Aug 18, 2010

I have two text box and one button with asp.net Validation control on button click i have this below code..
If textbox is empty on clciking it fire validation as well as itz going to D.aspx.. still textbox is empty why it fairing and redirect to D.aspx still textbox empty...

ScriptManager.RegisterStartupScript(this, typeof(string), "OPEN_WINDOW", "window.open('D.aspx?Parameter=" + TextBox1.Text + "', null );", true);

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Forms Data Controls :: Client Side Validation For DetailsView W/o Validation Controls?

Feb 24, 2011

Is it possible to do client side validation on a detailsview (insert or edit) without using validation controls? I.E. somehow capture the onClientClick event of the autogenerated Insert/Update link buttons to call my javascript function?

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Web Forms :: How To Take Print In Serverside

May 29, 2010

I need to print a text from a panel of a page. When user click on print button, user should selecl available printer which is connnect to the system.

after selecting, available printer it should automatically go for print.

These activity should do in serverside only

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Web Forms :: Difference Between Doing It Clientside And Serverside?

Jun 12, 2010

Anyway, if for example I have a textbox that I want to enable when the user check the desired checkbox/radiobutton, I like the textbox to be default enabled=false. What's the good approach between these two?

a.) client side


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Web Forms :: Need To Know (the Value Of A) Clientside Property On The Serverside?

Aug 23, 2010

I need to know on the serverside, if a RadioButton has been disabled (by javascript) on the clientside.

The (serverside) Enabled property is not the same as the (clientside) disabled property. Using MyRadioButton.Attributes("disabled") doesn't do the trick either.

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Forms Data Controls :: Findcontrol In A Gridview / Give The Controls Unique IDs

Sep 14, 2010

I've got a gridview with a few textboxes in each row which I want to insert into a database, after a user clicks a submit button (thats outside of the gridview)

This is my code for the gridview


And this is my code for the button


But when I click the button it gives me this error

"Multiple controls with the same ID 'Label12' were found. FindControl requires that controls have unique IDs."

How do I give the controls unique IDs if they are in a gridview and the rows are database driven?

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Forms Data Controls :: How To Give Link In Gridview

Jan 27, 2011

im developing website for my college.I have Recent updates in my home page in that i want to display newly added or updated things in recent updates.

sourcecode and Instructions for how to create link and how to redirect that to corresponding forms and how to create forms for particular updates dynamically then i want to make scroll the updates in GridView using Vb.net.

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Validation - Javascript For Two Checkboxes In Aspx

Jul 12, 2010

I have one textbox and two checkboxes with a submit button. I want to put a customvalidator which shall call a javascript for the following condition -

If textbox.value > 0 then checkbox1 = checked or checkbox2 = checked. If neither checkboxes checked when textbox.value > 0 then raise error.

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Validation Group In .aspx Page?

Jan 29, 2010

Please find my code below. In that validation group is working fine in IE but not working in Mozilla. what i did wrong? Please reply any one.



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C# - Validation When Converting .aspx To .ascx?

Mar 22, 2010

I'm currently converting a set of .aspx pages and the VB code behind them to .ascx and C#.

Basically the system I'm working with validates a shopping basket but with me changing the class the code inherits from I'm having issues working out what I should change it too.

I'm changing from System.Web.UI.Page to System.Web.UI.UserControl and am primarily having problems with the Validator.Add(v) element of the code below:

public override void Validate()
if (Profile.ShoppingCart == null || Profile.ShoppingCart.Items.Count == 0)
CustomValidator v = new CustomValidator();
v.ErrorMessage = "You must have at least 1 course in your basket.";
v.IsValid = false;

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Forms Data Controls :: Give Hyperlink In A Gridview Control?

Mar 22, 2010

me how to add hyperlink in a gridview control

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Forms Data Controls :: Delet From Gridview Give An Error?

May 11, 2010

i have agridview in asp.netwich is connected to datatablei edit the culomn added the abelite to delet rowsbut when i press the delete choice i got an errorthe error wich i c istnx
The GridView 'GridView1' fired event RowEditing which wasn't handled. escription:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.Web.HttpException: The GridView 'GridView1' fired event RowEditing which wasn't handled.Source Error:


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Forms Data Controls :: Grid View Do Not Give Selected Value?

Jan 25, 2011

I have a gridview and a details link. Clicking the detail link should take me to a details page with lot of formviews in it. But clicking on the Details link gives me error : 'RadButtonList1' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value

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Web Forms :: How To Call Serverside Method Directly Without PageLoad

May 4, 2010

I have a link button inside a repeater. How would I directly call the serverside (ItemCommand) method during postback. I want to skip the page_load. The wierd thing happening is, if I put (!Postback) it doesn't execute other methods on postback but it does if I don't set the !postback condition. I have repeater inside a updatepanel in UserControl.

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Web Forms :: Bypass The Textbox Textchanged Event On The Serverside?

Jan 20, 2010

i have a gridview with commandbutton column and a textbox template column. My requirement is changing the text and hitting the enter key should also perform the same function as the command button. So i enabled the autopostback of the textbox.But if i click the command button after changing the text in the text box fires both the TextChanged event as well as the item command event. Is there anyway to bypass the Textbox text change event if i postback using the grid command button?

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Forms Data Controls :: On Button Click Give Download Image Url?

Apr 16, 2010

i am having one image and Show high Resolution image on the same page...

now i am opening the new window and showing the big image in that window...

but now instead of opening the new window and showing the image i have to give download Image option to the user..

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Forms Data Controls :: Group Alphabetically And Give Page Break?

Feb 12, 2010

I want to do something like this.


i have all the categories in my dataset. now i want my repeater to display it in alphabatically categories.

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How To Bypass OnSubmit Form Validation In ASPX Page

May 11, 2010

i have a form on a particular ASPX page that has custom js validation. Also on this form is a navigation menu in the header.

The navigation menu items are built programatically and are initiated by __doPostBack calls which obviously submits the form.

The problem i am having is that the form itself has code something like the following

onsubmit='return validateForm()'

and if the form has not been filled out then the form cant submit. This in itself is not a problem unless a user goes to the form but decides to navigate away.

When this happens the validateForm function fails.

Does anyone have a workaround for this issue?

NB: On my nav links i have already set CausesValidation="False"

This is the markup:

<div id="divNavigate" class="absolute_topleft">
<asp:LinkButton ID="linkGoHome" runat="server" OnClick="linkGoHome_Click" CausesValidation="false" CssClass="xxx">text.</asp:LinkButton>

This is the handler:

protected void linkGoHome_Click(object sender, EventArgs e)

This is the validation function:


And this is how its called:

<form id="formLogin" runat="server" onsubmit="return validateTextField(field1)">

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Web Forms :: The Serverside Event For The Button Is Not Triggered And PostBack Is False

Nov 18, 2010

I have a problem with the ASP FileUpload control. It occurs in Safari and on websites where anonymous authentication is disabled and windows authentication is enabled.

When I select a file in the upload-control and then press an ASP-button the serverside event for the button is not triggered and PostBack is false.

Steps to reproduce the error:

1. Create a page with a file upload and a button. Print a message in the page's load event so you can see that if postback is true or false

2. Open IIS-manager and Add a new application that points to the folder where the page is

3. Disable Anonymous Authentication, ASP.NET Impersonation and Forms Authentication for the application

7. Enable Windows Authentication for the application

8. Browse to the page with Safari

9. Select a file with the upload control

10. Press Ok. Postback is false

If you then enable anonymous authentication on the web application and restart the browser postback works as expected.

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