How to Filter Harmful Script from Input String | Remove Harmful Scripts C#

Hackers sometimes try to hack very important information from website, This utility helps you to protect against Harmful script in input string. Just copy and paste this utility in your c# code and call this utility and pass the input string. This method will return the filtered string.

 

       /// <summary>
       /// Filters harmful scripts from input string
       /// </summary>
       /// <param name="Text">Input String</param>
       /// <returns>Filtered String</returns>
       public string FormatTextForInput(string Text)
       {
           if (Text == "")
               return "";

           if (Text == null)
               return "";

           string output = Text;

           //Build an array of characters that need to be filter.
           string[] strDirtyInput = { "xp_", ";", "--", "<", ">", "iframe", "script" };

           //Loop through all items in the array
           foreach (string item in strDirtyInput)
           {
               output = output.Replace(item, "");
           }

           output = output.Replace("'", "''");

           return output;
       }