Multiple textBox validation in VB.NET 2008

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hi any one :(
can any one there help me or teach me
how to create a textBox validation for 4 or more fields textBox.
so that if the user not complete a required fields
the save button is stay in Disable mode . . .

Posted 22-Jul-11 0:19am

PingLocalHost

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Joan M · Answer 1 · 2011-07-22T00:54:00

You can use several approaches here, but the easiest one probably would be to capture the "changed" event in all the edit boxes...

Just at the end of the editing message handler you could call a global function that would chekc the state of the edit boxes... and activate or deactivate the button according to the edit boxes status.

There are other methods, but this one could help you.

Good luck!

Dave Kreskowiak · Answer 2 · 2011-07-22T02:05:00

Solution 3

Start here:

Extending Windows Forms with a Custom Validation Component Library[^]

How to: Display Error Icons for Form Validation with the Windows Forms ErrorProvider Component[^]

User Input Validation in Windows Forms[^]

Posted 22-Jul-11 2:05am

Dave Kreskowiak

mhamad zarif · Answer 3 · 2011-07-22T04:11:00

Solution 4

use the error validation controls in windows,or validation controls in asp.net.

Posted 22-Jul-11 4:11am

mhamad zarif

mhamad zarif · Answer 4 · 2011-07-22T11:45:00

Solution 5

Jquery also has a lot of validations plugins that are useful.Google them and you will find a lot.

Posted 22-Jul-11 11:45am

mhamad zarif

Rakesh From Patna · Answer 5 · 2011-07-22T00:54:00

Solution 1

you use javascript. In each text box you write javascript in key press event.

Posted 22-Jul-11 0:54am

Rakesh From Patna

Comments

Dave Kreskowiak 22-Jul-11 8:01am

Where is the OP's post did it say he was using ASP.NET??

Rakesh From Patna 22-Jul-11 8:57am

ya