title: how to add dot symbol after nth character of string in c#
body: <p>how to add a decimal symbol after second character of a string.</p>
  
  <p>sample data = 78383083</p>
  
  <p>desired op = 78.383083 </p>
  
  <p>code</p>
  
  <pre><code>  string data = "011F03010A366B04AC07EB";
      string longitude = data.Substring(14, data.Length - 14); //04AC07EB
      string latitude = data.Substring(6, data.Length - 14); //010A366B
      long lat=Convert.ToInt64(longitude, 16);//78383083 
      string latvalue=lat.ToString();
      // string latvalue1=latvalue.Substr(0,2)+":"+latvalue.substr(2);
  </code></pre>