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 using System;
using System.Text;
namespace PetShop.Web.WebComponents
   {
  /**//// <summary>
 /// A sample class to clean the input into web pages
 /// </summary>
public sealed class CleanString {
public static string InputText(string inputString, int maxLength) {
StringBuilder retVal = new StringBuilder();
// check incoming parameters for null or blank string
if ((inputString != null) && (inputString != String.Empty)) {
inputString = inputString.Trim();
//chop the string incase the client-side max length
//fields are bypassed to prevent buffer over-runs
if (inputString.Length > maxLength)
inputString = inputString.Substring(0, maxLength);
//convert some harmful symbols incase the regular
//expression validators are changed
for (int i = 0; i < inputString.Length; i++) {
switch (inputString[i]) {
case '"':
retVal.Append(""");
break;
case '<':
retVal.Append("<");
break;
case '>':
retVal.Append(">");
break;
default:
retVal.Append(inputString[i]);
break;
}
}
// Replace single quotes with white space
retVal.Replace("'", " ");
}
return retVal.ToString();
}
}
 }
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