How me can validate a email textbox to take only valid email address if error occur it show the error message in this textbox or as a tooltip. because in the form there is no space to show error message.
I am using a usercontrol which has two textboxes named txtUserName,txtPassword and a button named btnSubmit.I am using this usercontrol in my webpage.I want to show alert message in the webpage if the user didnot enter the username or password .
VS2008 c#, asp.net 3.5, ms sql 2008How do I validate user input in TextBox inside a FormView [Insert Mode] with MS SQL 2008 Database?* FormView #fvInsertProjectInfo* TextBox #txtProjectNameCurrently, user could insert a new project using the FormView, but will only be found out that the project is already existed when pressing the INSERT button. To make it more user friendly, I would like to check that the database does not contain a record of the project the user trying to insert (by comparing value in txtProjectName with the Projects table in the database)
im trying to dcreate a requiredfieldvalidator that only accept amount of money.
first i used this expresvalidator as it cant receive any letter.
<asp:RegularExpressionValidator ID="rvcheckno" runat="server" ErrorMessage="Amount receive numbers only!" ControlToValidate="tbamount" InitialValue="0" ValidationGroup="number"> </asp:RegularExpressionValidator> but then it also cant receive cent.
i was trying to do something that can accept 130.00
I'm developing a website in ASP.NET & C# that will be on the www I have a contact form like most internet websites have and one of those textboxes is an email address. I wish to validate the email address so that the person enters a valid email in the form of [URL] What is the best way to do this?
I have a form where a user is going to enter an email address. What is the best way to validate what they enter? Whether it's okay to throw an exception to validate input versus using a regex?
Specifically: Don't bother with your own validation. .NET 4.0 has significantly improved validation via the MailAddress class. Just use MailAddress address = new MailAddress(input) and if it throws, it's not valid ...
And the counter argument: it is generally bad practice to catch an exception as a way of validating data ...
I never knew that there was something like when you enter <xx> in the textbox it gives the error, so my question is how can i avoid this kind of problem? and how can i avoid this error? I cant say to ppl do not enter this in textbox who know what ppl can do, so it is better to make sure you wont get error cuz of this.
I have requirement to validate special characters like (ä --> this is not a, this is a latin character).how to allow these characters using asp validator control. could you let me know about this. example: [URL] above mail is not allowing while using asp validator control how to allow latin keywords in mail validation.
I ve design a page that has nine text box name txtSubject1 to txtSubject9 with the visibile properties to be false.I now have a method called Save1, Save2 to Save9 depending on the no of subject selected from the dropdown.But i think that is not professional bellow is a sample of how i did't and i believe the textbox can n number of an array that can be selected from the drop down. i need someone to put me through how to insert this into the database out side the fake method i ve used.