Hello everyone. I am second year computer science student. Recently I got one assignment of creating one application similar to calculator. I already start this application. My main aim is to provide the facility of performing multi number operations. My problem is whenever I press single button the test associated with that appears on textbox, but when I press the second one instead of appending the previous number it replaces the original one. I don’t know how to solve this problem. I desperately need someone’s help for get rid of this problem. I would like to say thanks in advance for all your valuable and precious replies. Oh! I forget to tell you about language. Actually I am using c# as my coding language under .net frameworks 3.5 environment.
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