kevind0...@gmail.com wrote:
>
>
> Christian & Others:
>
> Thanks for your attention to this matter.
> My code now look like this:
>
> from Tkinter import *
>
>
> def butContinue():
> dbUser = entryName.get()
Here you set the local variable dbUser (every name you rebind inside a
function is local to that function by default)
> pWord = entryPWord.get()
> print dbUser
and here you print it.
> print pWord
> root1.quit()
>
>
> dbUser = ""
Here you set the global variable dbUser
> pWord = ""
> root1 = Tk()
> ##root1.geometry("500x250")
>
>
> lblTop = Label(root1, text= ' Enter Values Below', font="Helvetica
> 14").grid(row=0, column=0, columnspan=2 , pady=5)
> ##lblTop.pack(side = TOP)
>
> lblDB = Label(root1, text= 'Weight').grid(row=1, column=0 )
> lblPWord = Label(root1, text= 'Height').grid(row=2,column=0)
> entryName = Entry(root1)
> entryName.grid(row=1, column=1, pady=5)
>
> entryPWord = Entry(root1)
> entryPWord.grid(row=2, column=1, pady = 5)
>
> butGo = Button(root1, text=" Continue " , command=butContinue
> ).grid(row=3, column=1, sticky=W, pady=10)
>
>
> root1.mainloop()
>
> print "After the MainLoop"
> print dbUser
and here you print that global variable.
> print pWord
>
> After I type in the text Weight and Height
> No error are reported and output looks like this:
>
> Weight
> Height
> After the MainLoop
>
>
> Question:
> Why did this code not cause Weight and Height to print again.
>
> print "After the MainLoop"
> print dbUser
> print pWord
>
> Thanks in advance.
If you want
> def butContinue():
> dbUser = entryName.get()
> pWord = entryPWord.get()
to change the global dbUser and pWord you need to declare them as global
explicitly:
> def butContinue():
global dbUser, pWord
> dbUser = entryName.get()
> pWord = entryPWord.get()
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