How to check-Test value is only string/integer or alphanumeric on UnitTesting Assert
<p>Hi All I'm new in (microsoft C#) UnitTesting Assert,</p>

<p>I want to check UnitTesting as, Value is only string for one function,
only integer in one function and only alpha-numeric in function, which user typing in three testbox.</p>

<p>I have no idea of how to Test unittesting (checking) for that three scanerios.</p>

<p>eg
1)Textbox1 -> only allow string</p>

<p>2)Testbox2 -> only allow integer</p>

<p>3)Textbox3 -> only allow alpha-numeric</p>

<p>And I want to Automate Test from UnitTesting functions.</p>

<p>Please help!!!
sorry for my english as well.</p>
