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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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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Regex - Asp.net Validation When Field Is Not Required?

Dec 18, 2010

I need to set validation on a textbox where the user types in their email address... This is not a required field though so I want to allow the form to be submitted if the textbox contains the default text ("Email address").I've posted the code i have already to ensure a valid email address is typed.

<asp:RegularExpressionValidator CssClass="errorpopup" Display="Dynamic" ID="regexpEmail"
ValidationGroup="mySubmit" runat="server" ErrorMessage="<strong>Please enter a valid email address.</strong>"
ControlToValidate="tbEmail" ValidationExpression="w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*"
SetFocusOnError="true" />

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Run Asp.net Required Field Validation Only If At Least One Of The Fields In The Group Is Completed

Dec 21, 2011

I have a form on an asp.net (VB) page which has 2 sections.

All of section 1 is always required, but section 2 is optional. However, if section 2 is started, then all fields are required.

I'm stuck as to the logic I need to create this validation.

Here's my code:

<form runat="server">
<div>
<asp:TextBox runat="server" ID="field1a" Text="Name" />

[Code].....

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Textbox Validation - 'REQUIRED" Property Or Control That Allow You To Make A Textbox A "required" Field?

Jul 18, 2011

Does vb 2010 have a 'REQUIRED" property or control that allow you to make a textbox a "required" field? I googled and saw something about required property in controls in toolbox but somehow I could not find it anywhere in my vb 2010 toolbox. Would it be easier to write it? Does anyone have sample code?

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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 - 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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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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Phone Number Or Landline Number Validation In Textbox Code?

Feb 11, 2012

validation in vb.netemail_id validation,name,mobile number,Telephone number,zip_code,address i want to all code the textbox

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Required Field On Form Tab Page

May 29, 2009

I'm using VB 2008 with .Net 3.5 and I want to check that a combo box has a selected value greater than 0 (default = Nothing Selected) before allowing the user to move off the tab page to another tab page. The Leave event does not allow me to cancel and the Validating event on the tab page does not fire unless the user has at least visited the combo box field.

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Make Combobox And Textbox Be A Required Field?

May 6, 2011

I have 5 combobox and they are required. I would like the user to put input or select the combobox. If no input, msgbox comes up then he has to insert input or click on a custom cancel button i have made.

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Make Field Required Depending On Another Text Box?

May 28, 2010

I have 2 text boxes one for email and one for Name. If text is entered in email I want to make Name required field. How can I do this using .net validation controls?

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Use The ExceptionMessageBox To Prompt User That A Field Is Required?

Sep 16, 2011

I'm trying to use the ExceptionMessageBox to prompt a user that a field is required. I'm getting a syntax error saying "Type 'ExceptionMessageBox' is not defined". I added the ExceptionMessageBox as a reference, but still has that same error. I'm using Visual Web Developer 2008 Express.

Here's the code:

The bolded part is where I'm getting an error.

Try
If rptAcctNo = 0 Then
Throw New ApplicationException("Error occurred")

[Code].....

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VB Number And Decimal Number Validation Expression?

Sep 19, 2009

To allow a textbox to contain "15" or 15.5" as numbers nothing else...I figured that ^\d+$ works for numbers but can't get decimals to work also?

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Add Data Validation To A Web Form Field Using ASP.NET?

May 4, 2012

This seems like I only need a line or two of code? This is what I need to do:

Add data validation to the new phone field on the Contact Us form. We would only accept phones with the following format: 995-999-9999 Complete the contact us form so that you can submit it as an email. Send all your test emails to blah@boo.net. You can use any email account you have to send the email.

[Code]...

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Add Data Validation To A Web Form Field?

Nov 5, 2010

Add data validation to the new phone field on the Contact Us form. Wewould only accept phones with the following format: 995-999-9999Complete the contact us form so that you can submit it as an email. Send all your test emails to blah@boo.net. You can use any email account you have to send the email.

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Asp.net - Field Validation In Repeater Control

Feb 28, 2012

I have a question related to asp.net and vb.net. I have a repeater control that I bind some data to and allow users to update/change fields within certain text boxes. I added a validation control to trigger when the user doesn't enter a valid date or the text "TBD". On submit, I want to go through and highlight each field where its corresponding validator is not valid. This is my current code, but I am lost as to how to find the text box control.

Sub ValidateDateField(ByVal sender As Object, _
ByVal args As ServerValidateEventArgs)
'validate against three conditions - date, "TBD", and "N/A"

[Code].....

how to get cont = textbox1row1 of my repeater control.All examples I have seen so far directly state the control as in text1.BackColor =

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Login Function But With 3 Required Field, Let Say Username, Password1, And Password2?

Dec 29, 2010

login function but with 3 required field, let say username, password1, and password2

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Validation - If The Field Value Is Changed, A Query Check?

Nov 12, 2009

I have a problem with the Validation of a Integer-Field in my application.Its an Access DB on a Windows Form.I implemented the validation in DataSet.vb using an ErrorProvider on my Form.The field name is FNr and should not accept duplicate numbers.If the field value is changed, a query checks if the number already exists in the Datatable and if so it sets the error on that field.If the user tries to change the field to a number which is a duplicate I want to cancel the input back to the original number. This works but the

Error message is still shown by the ErrorProvider.The code is partially in DataSet.vb and in Form.vb

Public Class Funktionen
Private Sub FunktionenBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FunktionenBindingNavigatorSaveItem.Click
Me.Validate()[code]......

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Set Required Property Of A Field In Access Database By Visual Basic 2010?

Feb 27, 2012

I have used ADOX for create some fields in my database in access but the required property of this appended fields (columns) are set in "yes" but I want to be them "No" who knows how can I solve this problem

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EntLib Validation Syntax For Optional Field Rules?

Feb 25, 2010

I have an field, Address2, which is optional. Thus if it is null, no validation rules apply. However, if a value exists, its length cannot be greater that 255 characters.

I have been toying with:

<StringLengthValidator(0, RangeBoundaryType.Inclusive, 255, RangeBoundaryType.Inclusive, MessageTemplate:="Address 2 can be between 0 and 255 characters in length.", Ruleset:="MyRules")> _

But if it's not present, I still get an error.

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Crystal Reports Error: A Number Is Required Here

Mar 15, 2012

I have this code in my form (in load event) wherein there is a crystal report viewer: there is a "A number is required here" error in [Code]. how can I solve this error?

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Control Number Validation In VB?

Jun 5, 2011

My company uses control numbers to keep track of all of our inventory for every product that is entered into our warehouse.(ex.G123456789, T987654321) 1st Alphabet followed by 9 digits of numbers.Most of the time, these control numbers are scanned into the system by using a barcode scanner but some times these control number are entered into the system manually by hand.People make mistakes and sometimes enter in different control number.i want to be able to code my vb so that when the control number does not meet the critarion then program displays an error message.So i want to check for the first character which needs to be an alphabet and characters 2-10 to be a number.

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.net - Greek VAT Validation Number Code?

Dec 7, 2010

Is there anybody which can assist me with a code in VB.NET visual studio 2010 for validating Greek TAX Registration number (VAT).

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Checking Validation Of Number Using Module?

Jan 3, 2010

Actually i m trying to check the number validation in textbox using module. I write a code using function in module but i m not getting that hoe should i pass the value back to form. i m using isnumeric function.

how to check only number check in textbox using module

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Telephone Number Input Validation

Nov 25, 2009

The system we have in place at work for call centre agents to input telephone numbers doesn't validate their input, so, in a lot of cases, we have junk data being entered (0000000000 as a phone number generally). I've been taked with fixing this, but I'm not sure how to stop the agents entering junk like this.

[Code]...

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Forms :: Textbox Validation - Input Number Between 1 To 12

Mar 9, 2009

I am new to visual basic. Below is my
Private Sub todayMonth_Validating(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles todayMonth.Validating
Dim tb As TextBox = DirectCast(sender, TextBox)
If Convert.ToInt32(tb.Text) >= 1 And Convert.ToInt32(tb.Text) <= 12 Then
tb.Tag = True
[Code] .....

Actually, I wanted to validate the todayMonth textbox just to input number between 1 to 12. The problem comes out when I do this procedure : Lets say I input an interger 11 and it passes the validation and proceed to another textbox. Then I click back to the todayMonth textbox, it shows this error :
"Conversion from string "" to type 'Integer' is not valid."
I don't know why my value in the textbox is "null" or empty . I still saw the value 11 on the textbox.

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IDE :: Make Validation In Txtbox Only Allow Letter And Number?

Jul 31, 2010

How to make validation Only Allow letters and Numbers to Input, without any special character in Textbox

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Alter Table - Make Existing Field "REQUIRED"?

Jun 10, 2011

I have a VB.Net application that is using an Accss 2003 Database (Design Master) and I'd like to run an SQL Transact command to make an existing text field requried. So far I have tried the following and both appear to give an error and do not make my field "Required" (IS NOT NULL).

ALTER TABLE tblJobs ADD CONSTRAINT LeadSourceNotNull CHECK (LeadSource IS NOT NULL)
ALTER TABLE tblJobs ALTER COLUMN LeadSource IS NOT NULL

simple method to make an existing Access 2003 Table field required?

PS: I will be running a query to make all row entries that have a null in the LeadSource field equal to "Unknown" before I ALTER TABLE?

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