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First if condition
if(Txt1.Text != "" && Txt2.Text != "")
Second if condition
if((Txt1.Text && Txt2.Text) != "")
Is there any diff between these two conditional statement?
Yes. The second one is attempting to
&&two strings, and compare the result to the empty string. I don’t believe this is valid C#, as no&&operator overload exists for two strings.I appreciate your desire for terseness, but the first one is really what you want.