Textbox navigation

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C#3.0

C#

I want to get focus from one text box to another using keyboard keys not by mouse click .so I wrote the code but it doesn't work. It shows some error. The code is:

private void keypressHandler(object sender, KeyPressEventArgs e) {
if (e.KeyChar == Keys.Enter) {
SendKeys.SendWait("{TAB}");
}
}  

The error I get is:
operator==cannot be applied to operands of type 'char' and System.windows.forms.keys"

How can I remove the error? If it's a wrong way then give correct code.