How it is ?

Question

hi

i am working with DTMF for dialling.in button click i have written

char digit1 = Convert.ToChar(((Button)sender).Text[0]);

iax.sendDTMF(digit1);

txtCallTo.Text += Convert.ToString(digit1); here it is working i am adding the digits to the textbox txtcallto as

txtCallTo.Text += Convert.ToString(digit1); so it is working But i want to call the same function in the textbox_textchanged event.there i am not able to add digits to textbox as i did in button click i.e. txtCallTo.Text += Convert.ToString(digit1);
so how can i add to the textbox

Suchit Khanna · Answer

Swapna your digit1 is it having the value that it should have..... as you have specified the digit1 in that event which will not be accessible outside the event. So textbox changed event should take that value from a variable accessible throughout the class.