hello, this is what i am trying to do:

if textbox1.text = **** then
MsgBox("Correct serial", MsgBoxStyle.DefaultButton1)
form2.show
me.close
else
MsgBox("Incorrect serial", MsgBoxStyle.DefaultButton1)


For the **** part i wish to do this.
if the text in textbox1 one is equal to ANY cell in the column named serial# in datagridview1.

Thanks in advanced.