I want that in textbox if 0 is insert than it shows an alert message. The textbox insert numbers only. How will I validate it? please help thanx in advance.

Please give me project in Java my platform is netbeans 5.5. or tell me some websites where i got projects. I want to try to make my project please help me. thanx in advance.

I write a code for automatic ID generated. But If somebody deleted the Id for example I have three ID i.e. 001,002, 003. If somebody deleted 002 so when we add the id is generated 004 but I want the ID is generated 002. Please tell me thanx in advance.

I am not want in ASP.NET or web page I want to validate in windows application

No there are 15 columns and I want to show all these columns in landscape form but how will I set the all these columns in crystal report.

But how will I set the columns

How will I validate the text of email address. I am making a window application in c# .net, in the text box I want that the textbox of email contains the '@' without written @ it gives a messagebox that it is not valid email address. thanx in advance

In datagridview how will I make a validation for the length of text written in cell, eg. mobile no column takes on 10 digits

I have atleast 15 columns but in crystal report the all columns are not legible properly. give me some suggesstions how will I show or print that records. Is there is any option in crystal report of landscape. thanx in advance

If I am working manually to create columns and add it on datagrid view at run time it is not updating through olddbcommandbulder command. But when I am using this code "datagridview.datasource= ds.tables[0].defaultview;" then it is updating. But how will I updating when I work manually. Plz give a code in c# .net. thanx in advance.

How will I validate the text of email address. I am making a window application in c# .net, in the text box I want that the textbox of email contains the '@' without written @ it gives a messagebox that it is not valid email address. thanx in advance

In datagridview how will I make a validation for the length of text written in cell, eg. mobile no column takes on 10 digits

It is not working because Unique required only one null value. So I run the form first time it takes one blank column but when next time I run the form it given an error of the duplicate records.

I have atleast 15 columns but in crystal report the all columns are not legible properly. give me some suggesstions how will I show or print that records. Is there is any option in crystal report of landscape. thanx in advance

I am creating a phonebook in c# .net my database is Ms access. There are no duplicates allowed in two columns mobile no and landline no but if I left blank those columns two times it gives an error that "no duplicates are allowed". Please give me such code to allow null but not duplicates are allowed because this is not compulsory every person has mobile or landline. thanx in advance.

I insert and update in an excel database but what is the coding to prevent the duplicating entries in the database. Plz tell in c# language. thanx in advance.

Suppose u create an email id but unfortunately u lost your password than how will u access your password. So what is the code for 'Forget your password' in C# language.

Yes, I store it in a sql server 2005 database

How to retrieve a password in c#

What is a data type and how to retrieve it by c# coding?