Answer Posted / nitin kumar nitin@bbspl.com

string str;
str = text4.Text;
string one, two,three;
string four;
char dd;

one = str.Substring(1,2);
three = str.Substring(2, 1);

two = one;
four = three;
dd=char.Parse(four);

int con = Convert.ToInt32(((int)dd).ToString());
string str1 = char.ConvertFromUtf32(con+1);
text5.Text = two + str1;

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