Use A Validator To Validate That The Dropdownlist Is Enabled?

May 10, 2009

i would like to use a validator to validate that the dropdownlist is enabled and the dropdownlist value is "None".if this two conditions being meet,the validator will display error message.May I know what validator should I use?

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Browser Compatible Code To Disable A Dropdownlist When Another Dropdownlist Is Clicked Or A Checkbox Is Checked?

May 26, 2011

I have a window having 2 dropdowmlists(schemename-SN and propertyno-PN) , one chkbox ,one "VIEW" button.SN has options "all" with value=0 and many other options with respctive values.Now,i want the code should behaves as follows:

1.0n window onload, SN must b visible bt PN nt.

2.if i select SN other thn All...the PN shud b visible and if i select "All" ,PN hides.

3.when check box is checked- PN hides,and if it is unchecked- PN visible..

Important:-This whole ddl n chk box are in updatable panel,button is nt in that.I want a browser compatible code so javascript can't b used directly(cz they give problem in mozzila and chrome).Right now, i have done this JavaScript and its is working fine.

function window.onload()
{
DisableProperty();
}

[code]....

but this code is not browser compatible.here onload,onkeyup and onclick functions are used , but they dont work in other browsers except internet explorer.

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Hypothetical Controls - Options Checked As Enabled In FrmConfig Effects - Controls (like Buttons/menu Options) Are Enabled In FrmMain

Nov 26, 2010

As i'm learning more and more about developing ive just got my head around creating classes and modules, i started wondering about something to do with configuration of applications where deployment is in a more diverse environment say in a company where different branches dont need access to all parts of a program, so i thought id throw the question out there in a basic sense and get some feedback. so i can go off and do some more reading and learning.

So the scenario in my head is like this.

So we have for arguments sake FrmConfig which is the master configuration form, then we have FrmMain which is the root menu our application general user interfaces with. So here based on what options are checked as enabled in FrmConfig effects what controls (like buttons/menu options) are enabled in FrmMain.

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Validate Html.editorfor - Validate The User Data Entered

Apr 26, 2012

I'm trying to figure out a way to validate the user data entered:

[Code]...

This is in MVC3, VB.net. I'm looking for an easy way to validate a users input data into the editorfor field.

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Asp.net - Populate DropdownList Based Upon Other DropDownList VB?

Jun 1, 2009

I have found a couple of examples on the internet to do this but really struggling to get it working in VB. (Tried a converter but had mixed results) I need the selection options of a Dropdownlist to be populated based upon the differing values in the first dropdown list.

Can anyone help with a releativley simple example in VB? Not fussed if the values are "hard coded" in the script. Or a SQL bit that pulls the data from a table

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Getting The Right Angle Validator?

Oct 10, 2010

I am writing a program that needs the user to input three numbers (i.e. sides of a triangle) and based upon those numbers tell the user if the numbers they enter represent a right triangle or not. how to go about this mathematically and care to offer any suggestions on the syntax of the calculations.

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Asp.net - RegularExpressionValidator Or No Validator At All (just A Label)?

Feb 13, 2010

suppose I have a boolean function in my ValidationClass that checks user input for txtState (a textbox that contains the 2 letter abbreviation of a state), what should I put inside the if statement to activate Validation Summary displaying that user input for the state textbox is bad?

if isState(txtState.txt) = false then
' not sure what goes here...
end if

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Create A Custom Validator In VB?

Feb 15, 2012

I just have this program that validates if the selected file is an excel file, and I want this to have a separate function for validation so I can use that function to other program

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Regular Expression Validator In Vb?

May 17, 2011

I have a textbox which takes as input the email address. Do you have regular expression validator in vb.net so that I can check if '@' is present or not in the string

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Use A Validator To Compare 2 Text Box?

Apr 27, 2009

I want to use a validator to compare 2 text box in such a way that ,

If V is in Text box 1, means User must type any of the numbers prefix V in Textbox 2 (V00001 to V00050).Other than V ,if they type any other Letters means error message must be shown.

Just like that if C is in TextBox 1 means user must type C00001 in TextBox2.(or any number from C00001 TO C00050) iF S is in textbox 1 means,User must Type S00001(S00001 TO S00050)

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Client Side Barcode Validator App

May 28, 2009

I want to have a Windows application. It should take data input via RS-232 or via USB from a barcode scanner that reads 3 of 9 barcodes. The data received must be validated against a CSV file on the local harddisk and the result sent back to the scanner. I need this application including source. Does anyone know such a tool?

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Common Validator Module For Textbox?

Mar 19, 2011

I have started developing in vb.net 2008. I want to make a common module to validate all text boxes of my every win form. Common Validation I'm looking for are Length ( Size ) of text box value must not greater then that of field size, It must be of numeric, or alpha only, It must not be empty, if single quotation mark, covered with double quote mark etc.

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Use Single Requiredfield Validator For Two Or Three Textboxes In Asp.net?

Dec 6, 2010

How to use single requiredfield validator for two or three textboxes in asp.net ?

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Validator Summary Will Not Update Dynamically

May 17, 2011

I have a validation Summary I am using for the RequiredFieldValidators to use to show the error messages while an image shows up next to the controls being validated.I have set the required field validator to Display="Dynamic". When I select something in the dropdown it removes the image next to the control right away like I want but the errormessage text stays on the ValidatorSummary.What can I do to make the ValidatorSummary to update dynamically like the RequiredFieldValidator when it removes the image next to the dropdown?

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Asp.net - Custom Validator Validation Not Firing For Textbox?

Jun 14, 2009

I have created a custom validator for maximum characters for a multiline textbox in ASP.Net.Below is the code that I am using.

[Code]...

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Asp.net - Limit Input Of Regular Expression Validator?

Jan 19, 2012

I'm currently coding a ASP.NET web application using VB.NET. I'd like to know how to limit the input of the regular expression validator to numbers only (with specific number of digits e.g 7-20 digits).

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How To Disable Few Selected Required Field Validator

Oct 5, 2007

I have three required field validator ,in that 2nd validator should not fire even if I don't enter any any value in the textbox. I tried with Javascript. But couldnt do it.

<%@ Page Language="VB" AutoEventWireup="true" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "[URL]">
<html xmlns="[URL]">
<head runat="server">
<title>Untitled Page</title>
<script language ="javascript" type ="text/javascript" >
function step2()
[Code] .....

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Number Validation In Required Field Validator?

Sep 8, 2009

Is it possible to put Number validation in required field validator in asp.net text box?

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Regular Expression Validator In .net/asp.net Custom Expressions?

Apr 19, 2011

I want to make sure using the custom expression validator that no ' or " can be used i tryed using [^"'] but whenever i put normal letters it doesnt work either.

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Validator Or Expression To Check If The Value Entered In That Textbox

Sep 24, 2009

I am using vb.net. I am having below code in vb.net

[Code]...

Now I want an set validation for mandatoryto the textbox TokenStartingNumberTextBox only If the user had entered the value in DateOfReceivingTextBox.

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Asp.net - Custom Validator Not Firing (No Error Message, But No Validation)?

Jan 17, 2011

I have a custom validator:

<asp:CustomValidator ID="QuestionValidator" runat="server" ErrorMessage="Please select an option" ClientValidationFunction="QuestionValidator_ServerValidate" OnServerValidate="QuestionValidator_ServerValidate" ValidateEmptyText="true"></asp:CustomValidator>

I have a list of questions provided by a datalist, which I need to ensure a user selects an answer to each question. I then have my validation functions:

Protected Sub QuestionValidator_ServerValidate(ByVal source As Object, ByVal args As ServerValidateEventArgs)
Dim SelectedItem As Boolean = False
For Each c As Control In Page.Master.FindControl("form1").Controls
If TypeOf c Is RadioButton Then

[code]....

When I run the page, there is no validation and no error message. Please can you point out where I am going wrong, I'm suspicious it is at Page.Master.FindControl("form1").Controls.I have previously done such validation by looping through controls via form1.controls but this is unavailable as the page uses a form passed down via the master page.

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Asp.net - Validator Disappears On PostBack Inside Composite Control

Jul 17, 2009

This should be a simple problem to fix, as it uses the same way I fixed my last problem with FooControl (below).

Basically, I want to add a derived validator I made to this composite control. It works fine but on postback it just disappears in the markup, making me think it's lost its ViewState.

I am probably doing something wrong with instantiating it, but I've tried setting only the ControlToValidate, moving things around, and nothing works.

I've provided some surrounding code to see what's working and then what's not.

Private FooControl As IFooControl
Private Validator As MyValidator
Protected Overrides Sub CreateChildControls()

[Code].....

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Create A Validator That Checks To See That If Both Players Have Entered A Nickname?

Jun 7, 2012

First of all I'm trying to create a validator that checks to see that if both players have entered a nickname. If they don't then it should automatically close the form but instead the application hangs. If the first player uses three tries then it "should" automatically close. Here it is:

Sub getNickNames(ByVal Players() As String)
erCount)
'Force Select Username. If More Than 3 Attempts Are Made The Game Will Exit To The Main Menu

[code]....

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Custom Validator OnserverValidate Call Class Function?

Mar 9, 2011

I am trying to call cetralized class function ONservervalidate for a custom validator, So I don't have to write it on each and every page.

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Populate Dropdownlist From Another Dropdownlist?

Jan 15, 2012

I'm trying to write a program that selects an item (Area Code) from a combobox and this list gets the city that was associated with this area code (another comnbobox list)

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Asp.net - Regular Expression Validator - Display Block Rather Than Inline When Dynamic?

Oct 14, 2010

Is there any way to make a RegularExpressionValidator render itself using display:block, instead of display:inline in its style attribute, when setting the Display property to "Display='Dynamic'"?

I have tried setting it in the stylesheet but this gets overwritten when it is rendered on the page.

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C# - Javascript Textbox Validation Fires Custom Validator Error Regardless Of Value

Oct 24, 2011

I am trying to validate a textbox based on a dropdownlist, e.g. if ddl value is 'Day', textbox value cannot exceed 31. It seems that no matter what I enter triggers my custom validator error, what am I doing wrong,

<asp:TextBox ID="uitxtCamLastVisitDur" runat="server" CssClass="tooltip"
Width="65px" Enabled="False" ToolTip="Indicates a required spending on the member's last visit."></asp:TextBox>

[Code].....

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Pattern For Asp.net Validator That's For A Phone Extension Field On Entry Part Of Page

Feb 18, 2010

I need a pattern for an asp.net validator that's for a phone extension field on the entry part of the page. I need it to allow a single digit up to 5 digits. I was able to use this pattern "d{5}?" until the requirements changed to "up to 5 digits" on me.

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Detect If The DST Is Currently Enabled?

Mar 30, 2012

I need to find an easy way to know if the local machine's 'automatically adjust clock for Daylight Saving Time' option is enabled.

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Make The Second Textbox Enabled?

Jan 10, 2009

I have a combo box with four option and two textboxes (on forms load the first textbox is enabled and the second is not). When I click on a spesific option from the combo box I want to make the second textbox enabled.

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