Dialogbox issues............................

[Python-lover]

Dialogbox issues............................
hi,
    I am using python1.5 and Tkinter. I want to
display the dialog box when i click the button in my
main window. I used tkSimpleDialogBox class. But the
following program is not working as it is expected.
How can i diaplay a dialog box in Tkinter?  Let me
know where i gone wrong.

	
from Tkinter import *
import tkMessageBox
import tkSimpleDialog
import string

class App:
	def __init__(self,parent):
		self.myparent = parent
	Button(self.myparent,text="Click",width=10,
height=10,command=self.showdlg).pack()

	def showdlg(self):
		MyDialog(self)

#Dialogbox class
class MyDialog(tkSimpleDialog.Dialog):

    def body(self, master):
        Label(master, text="First:").grid(row=0)
        Label(master, text="Second:").grid(row=1)
        self.e1 = Entry(master)
        self.e2 = Entry(master)
        self.e1.grid(row=0, column=1)
        self.e2.grid(row=1, column=1)
	self.e1.insert(0,"suressh")
	self.e2.insert(0,1234)

    def validate(self):
        try:
            first= (self.e1.get())
            second = string.atoi(self.e2.get())
            self.result = first, second
            return 1
        except ValueError:
            tkMessageBox.showwarning("Bad input",
"Illegal values, please try again")
            return 0

    def apply(self):
        first = (self.e1.get())
        second = string.atoi(self.e2.get())
        print first, second

root = Tk()
myapp =  App(root)
root.mainloop()

Thanx

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