Web Forms :: Restrict What Control Causes Validation?

Feb 24, 2011

I have a requiredfield validation control and only want it to be triggered when a certain button is clicked instead of any button that causes a post back. For example I have 2 buttons in an updatepanel and I don't want these to cause the validation since the entire form is not being posted back.

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Web Forms :: Validation - Restrict Past Dates While Allowing Edits?

Aug 20, 2010

I have a form that collects some dates. The users can go to this form any time, view the data, and edit the data.

The user should only be able to enter today or future dates only. We don't want users to go in here and be able to past date these dates.

So I created a compare validator which compares the text box against today's date. This works great. The user saves the form and life goes on.

But then, lets say they come back 1 week later and want to change a date. Now all the old dates will fire this validator and they can't save anything unless they change all the dates to today or newer. This is a problem.

So what I thought was when I load the form with the data from the database, I would just disable the validator if there is a date, and if it's null enable the validator. But this won't work because then they can back-date all of those dates with the validator disabled.

So for the dates that are not null, it shouldn't fire the validator unless they change the date.

When I load the form, I'm going to load all these dates into Viewstate. I'm going to create a custom validator and check the value they enter against the previous date that is in Viewstate. If it matches that date then it is valid, if it doesn't match that date then I will run it through the validator to check for past-date.

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JQuery Validation To Restrict A Textbox To Only Dd/mm/yyyy?

Mar 30, 2010

Is there a jQuery method or workaround that someone has found that will not let the user type anything but dd/mm/yyyy in a textbox ?

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Web Forms :: How To Restrict The User To Upload File In Fileupload Control

Oct 21, 2010

I have a file upload control in which i want to restricr the users not to upload more than 1mb file. Is it possible using custom validator or any other code. I want to raise validation before any postback happends.

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Web Forms :: Restrict File Upload Control To Video Files Only

Jun 18, 2010

What is the best way to restrict a file upload control to only accept video files only ?

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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!"
mTableCell.Controls.Add(mValidator)
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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C# - Restrict A Page Navigation To One Control?

Nov 12, 2010

I am making an online exam website where a user is taken to a page where there are multiple choice questions. I want to set it up so that once a user navigates to this exam page, he cannot navigate back. The only way he can get out of it is by clicking the submit button and then he cannot access that page again. The questions on the exam page are in an sql database. restricting the navigation of the page.

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C# - How To Restrict File Type In FileUpload Control

May 6, 2010

Is it possible to allow the fileupload control to show only images?When we click the Browse button it should show only images.

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AJAX :: Restrict User To Select Future Date In Calender Control?

Mar 10, 2011

[Code]....

i m using calenderExtender control, here i want to restrict the user not able to select future date its also working fine , now i want to restrict the user cant select future date than current day+7 (next day)

for ex:

if today is 10 march then he can select next 7 days means till 17 march bt he cant select 18 march

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How To Go For Custom Validation Control And When To Do Validation In Javascript

Mar 12, 2010

When to go for custom validation control and when to do validation in javascript? What are pros and cons of each of them?

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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 :: CustomValidator Want Validation Of One Control Be Dependent On Another Control?

Mar 10, 2010

I have a Gridview with a number of Template fields, where the values are all binded to a DB.

I can handle the validation in the codebehind (C#) fine, as far as that singe control.

BUT

I want the validation to be dependent on one of the controls in a Different TemplateField

ie.

Template A

Template B

Template c

Template B & C dependent on Template A

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How Can I Restrict The File Type In The File Browse Menu Of An AsyncFileUpload AJAX Control Toolkit

Jul 28, 2010

I would like to restrict what they see in the file upload dialog, which is set to "All Files" by default. I understand how to validate that they only uploaded a certain file type, that is not the question here. I would just like to know how to default the file type in the file selection dialog.

Is there any way to change this to "PNG only" or "*.png"?This is using AsyncFileUpload in the ASP.NET AJAX Control Toolkit.

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JQuery :: Restrict The Mousescroll To Make The Browser Content Zoom When Press Control+ Mousescroll?

Aug 5, 2010

how to restrict zoomover when we use wheelmouse along with the control .Its urgent for me to restrict the user not make scrolling on the web form.

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Web Forms :: How To Use CompareValidator Validation Control

Jan 11, 2011

I have 2 text boxes in which I am comparing the numeric value of one to the other. At first it works fine and I get the appropriate error message. But eventually as i plug in different numbers although I should be getting an error message I stop getting one. Is there something going on behind the scenes to fire the error message than I am unaware of. Also the error message fires some time when the value is less than the value of another control and equal to the value. I only want it to fire when it is less than the value of the other control.

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Web Forms :: Validation Control For Particular Panel

Feb 6, 2010

I hv taken 2 panels one for School transport detail , the other for Personal Transport detail.

The validation controls are different for the panels. When selecting 1st panel the other gets disable and on clicking Save button the error msg of 1st panel appears if not entering proper values. But when 2nd panel I am selecting and without entering any value clicking Save button it still giving error msg of 1st Panel yet it is disabled.

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Web Forms :: Cause Validation In Wizard Control?

Jan 18, 2010

I have a wizard control and in one of the steps, I checked the input box if it's blank or not. By doing this, now the sidebar link and other steps all cause validation = true. How can I resolve this problem so that the cause validations for sidebars and other steps are false?

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Web Forms :: Validation For Calendar Control?

Feb 23, 2010

I have created a calendar control in asp.net mvc using linq to sql.I have used jquery to create calendar control . I have to validate my calendar control as a required field.

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Web Forms :: Validation Control For Time?

May 12, 2010

I want to check the time entered by user in text box should be valid.....with format 12hrs AM/PM.. For that i want validation control

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Web Forms :: Control Non-empty Value Validation?

Jul 19, 2010

I have textbox A, B, C and D. Textbox A is optional, yet B, C and D are not required unless A contains an entry (then they are mandatory). What validation control do I associate with B, C and D that checks for an entry (anything other than being empty) in A? I don't see CompareValidator being able to do this so I was going to use a CustomValidator to perform server side validation (and possibly look into Javascript for server side).

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Jul 19, 2010

I have a Dropdownlist control in my web form with names of few countries pre populated.I have also added a 'Please select..' option in the DDL .Now how to use validation control in DDL so that please select options doesnotget selected when i click submit button.Only after user selects country i want to insert the value in database.

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Web Forms :: Validation For FileUpload Control

Mar 12, 2014

i have a file upload control to upload picture.i want the user can only upload picture not any other file .when i used file upload control ,user can insert word file also,this should not be done.user can only insert pictures,otherwise message should be appear,like--"please upload valid format"

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Web Forms :: Disable Validation If Control Is Not Enabled

Mar 1, 2010

I have a simple problem: I have a bunch of controls on a page and each one requires a validation. Also, I set control's enable=true/false programmaticaly, based on a checkbox . Now, I would like to disable the validation of a control if it is not enabled.

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Web Forms :: Applying Validation On User Control?

Aug 25, 2010

I have a page on this page I have multiple user control and one of the control is on the user control.

on a button click event I can check all the validatoin which are on the main page, but I can't apply the validation on the user control which is not on focus. On the button click even if that particualar tab is on focus , the validaiton works otherwise it just ignores it.

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