C# If Equals Case insensitive

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Comparing two strings, ignoring case in c# [duplicate] 8 answers

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You could use this

string.Equals(one, two, StringComparison.CurrentCultureIgnoreCase)

Your code would be

if (string.Equals(one, two, StringComparison.CurrentCultureIgnoreCase))
{
   MessageBox.Show("Pass");
}
else
{
   MessageBox.Show("Fail");
}

Using CurrentCultureIgnoreCase :

Compare strings using culture-sensitive sort rules, the current culture, and ignoring the case of the strings being compared.

More info here

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if (string.Equals(one, two, StringComparison.CurrentCultureIgnoreCase))

From MSDN:

StringComparer.CurrentCultureIgnoreCase Property

Gets a StringComparer object that performs case-insensitive string comparisons using the word comparison rules of the current culture.

---

Various options:

if (String.Compare(one, two, StringComparison.CurrentCultureIgnoreCase) == 0) {
   // they are equal
}

Option 2:

if ((one ?? "").ToLower() == (two ?? "").ToLower())
   // they are equal
}

There are tons of other options, but these should get you started!

NOTE - One thing people regularly forget with string comparisons is null values. Be sure to watch for null values however you do your comparison. The second option I presented does an excellent job of this.

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