Textbox event

I ahve textbox  and label .I do have form.having 7 textbox with 7 label.

 Firstname : textboxfirstname
LAstname :textboxlastname
ETC.
Enter button.(Image button)
what I am trying to do is if any of the upper field is empty and anyone click the imagebutton than Label should turn into red and text into white.

then when someone add the text inside that and click anywhere or put the curser in nextbox the previous label have to becomes white again.

Can anyone pelase help me out.
itgirl7Asked:
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Deepak LakkadConnect With a Mentor Commented:
Use Button.Click event for first code snippet and TextBox.Leave or TextBox.Validate for second code

- Deepak Lakkad

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Deepak LakkadCommented:
You have yo write two events
1st for Image button, where you will check if textbox is empty then change font color of associated label e.g. Label1 is associated with TextBox1 then you will write code as below:
IF textbox1.text = "" Then
   Label1.BackColor = Color.Red
   Label1.ForeColor = Color.White
End If

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same way you can code for other textboxes ...

2nd is Validate Event for TextBox ... The code snippnet is given below:
Label1.BackColor = Color.White ' or your original Back Color
Label1.ForeColor = Color.Black  ' or your original Fore Color

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- Deepak Lakkad

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itgirl7Author Commented:
Can you please let me know in which event I have to write.
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