set country code as default value in a textbox in c#
Sir I am doing a error prone project at the moment.
I have a comboBox and a textbox.
the combobox stands for coutry list and textbox for phone number.
when i select a country from the combobox list, i need that country's code to be enter automatically to the taxtbox.
also the value entered in the textbox doesn't be removed when i enter phone number in it
please help me on this topic