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| using System;
| using System.Collections.Generic;
| using System.Linq;
| using System.Text;
| using System.Threading.Tasks;
|
| namespace WindowsFormsApp1.utils
| {
| class StringUtil
| {
|
| public static bool isEmpty(String text) {
| return text == null || text == "" || text.Trim() == "";
| }
| }
| }
|
|
