/// <summary>
/// 将用户输入的字符串转换为可换行、替换Html编码、保护数据库的安全方便代码。
/// </summary>
/// <param name="inputString">用户输入字符串</param>
public static string ConvertInputText(string inputString)
{
StringBuilder retVal = new StringBuilder();
// check incoming parameters for null or blank string
if ((inputString != null) && (inputString != String.Empty))
{
//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;
case '>':
retVal.Append(">");
break;
default:
retVal.Append(inputString[i]);
break;
}
}