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I have a text box, i'm checking it against empty string ( "")...

 

If i have it as this: it works

 

If txtCCC.Text <> ""

...

end if

 

-----------

 

But if I have it like this:

 

if txtCCC.Text.Trim.Empty

 

Or

 

if txtCCC.text.ToString.Trim.Empty

 

OR

 

if (txtCCC.Text).Trim.Empty

 

I get the error that input string is not in correct format.

 

Why???

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