Make Field Required Depending On Another Text Box?
May 28, 2010I 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?
View 1 RepliesI 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?
View 1 RepliesHow can i make a control required to put input depending on the radiobuttonlist selection?
Let me try to clarify a bit more. I got 2 radiobuttons, if one gets selected, nothing else has to be done.
But if the otherone gets selected, a textfield must have some input too.
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.
View 1 RepliesDoes 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?
View 6 RepliesI 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?
I have a class set up to hold values on a registration form (VB.NET, MVC), and among the properties is a Password property:
[Code]...
I have several text boxes named txtWidth1, txtWidth2, .....thru txtWidth12
I am trying to make some of the text boxes visible depending on the value of a variable "y". I thought I could do something like below, but I know line 9 is definately wrong.
Private Sub txtQty_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtQty.TextChanged
Dim x As Integer
[Code].....
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" />
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.
View 3 RepliesI 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] .....
Is it possible to put Number validation in required field validator in asp.net text box?
View 7 RepliesI'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].....
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].....
login function but with 3 required field, let say username, password1, and password2
View 4 RepliesI 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
View 3 RepliesI understand that within a rich field text box you can search for a string and then format that string, but I am looking to change the formating of a certain position in a string regardless of what character is at that position.Can this be done in VB 2008?
View 3 RepliesI've been looking through the book I own and I've been looking online but I just don't understand what code would I write to have it check the text box or input box for the right letters in a word?
View 2 RepliesThere are lots of questions about this but I've not been able to solve my problem using the answers to any of them (after many, many attempts..)
I'm working in vb.net creating an asp.net web application. I have an SqlDataSource and a GridView on my page.
I want to change the DoNotMail boolean value represented by a Gridview checkbox and automatically update in the database if the checkbox is checked from 0 (False, Will Mail) to 1 (True, Won't Mail) here is the code I used. [code]...
is it possible to do a two way sync on the entire gridview when the user hits a button so you don't have to do an update every time a row is changed? because the user might check the box and then check another box then uncheck a box and it would be a lot of updates...
Dim query as String = "Select * from openquery (devbook, 'SELECT wb.arrival_time FROM web_bookings wb ')"All I need is to convert my arrival_time into a datetime field in the query
View 1 RepliesI have a form with a 4 tab tabControl and each tab has multiple components(textboxes,comboboxes, etc). Is there an easy way to make all the components read only depending on who is logged,so in the code. I would still loke to be able to click on each tab to 'see ' the components on each tabPage.
View 3 RepliesI would like to know how would i make a histogram go up and down depending on the value in the textbox.
View 1 RepliesIs there a way to make an input box value required? I have an input box that assigns the value to a label on my form, and I would like to know if you can prevent the user from leaving it blank and instead require a value?
View 7 RepliesIs it possible to add text next to its value in a cell, depending on its value?
as example if the value of the cell is less than 1.00, the box will turn to red color and will be appear.
attachment 1 (pic1) is the image before and attachment 2 (pic2) is the image result i want.
i have successfully color the box and having problem with adding the text.
I am trying to make the application similar to Notepad++. Notepad++ colours text depending on what type they are, eg. HTML, PHP, CSS, Java, ect.
I just wondered if somebody might be able to help with this? I have no clue where to start, but I have an idea of how it would happen.
- Text is entered into the RTB (RichTextBox)
- The text is read by the program as it's entered
- The text is coloured depending on the type
I have a little loop what reads in a text file the text layout is[code]...
View 9 Replies[code] i get an app error when running the app, because i didn't set the ID.I was wondering if there's a way to make sure the programmer assigns all properties in the class,and fail at COMPILE TIME rather than have to catch the error at runtime...
View 2 Repliesi have a class where are code the methode that i have to use in my form. i want to display on a button with a if statement a text value depending of the requirement are met. i put the code of the class here:
[Code]...
I'm trying to play around with combo boxes and trying to figure out how to navigate to a certain url in webbrowser1 depending on the text selected in combobox1.
VB
Imports System.Windows.Forms
Imports System.Net
Imports System.IO
[Code].....
im searching on how to change labels text color inside the code depending on my needs , for example my label's text is set to = "hello world" , can i change hello's world color to x and world's color to y?
View 4 RepliesI have two text files, first text file looks as follows
File1
String1 String
String2 String
String5 String
String8 String
These fields match some of the fields in my File2, but here there is an extra column which shows a numeric field for that row.
[Code]...