public bool InvalidChars(string sInput)
 {
     bool functionReturnValue = false;
 
     //Declare variables
 
     object sBadChars;
     object iCounter;
 
     //Set functionReturnValue to False
 
     functionReturnValue = false;
 
     //Create an array of invalid characters and words
 
     sBadChars = array("select", "drop", ";", "--", "insert", "delete", "xp_", "#", "%", 
 
"&",
     "'", "(", ")", "/", "\\", ":", ";", "<", ">", "=",
     "[", "]", "?", "`", "|");
 
     //Loop through array sBadChars using our counter & UBound function
 
     for (iCounter = 0; iCounter <= Information.uBound(sBadChars); iCounter++) {
 
         //Use Function Instr to check presence of illegal character in our variable
 
         if (Strings.Instr(sInput, sBadChars(iCounter)) > 0) {
 
             functionReturnValue = true;
 
         }
 
     }
     return functionReturnValue;
 
 }