Using System;
Using System. Collections. Generic;
Using System. Linq;
Using System. Text;
Using System. Text. RegularExpressions;
Namespace Common
{
/// <Summary>
/// String operation class
/// </Summary>
Public class StringHelper
{
Public StringHelper ()
{
}
/// <Summary>
/// A prompt dialog box is displayed when an error occurs.
/// </Summary>
/// <Param name = "str_Control_Name"> check the Control id value </param>
/// <Param name = "str_Form_Name"> Form id value </param>
/// <Param name = "str_Prompt"> message </param>
/// <Returns> string </returns>
Public static string JsIsNull (string str_Control_Name, string str_Form_Name, string str_Prompt)
{
Return "<script language =" javascript "> alert (" + str_Prompt + "); document. "+ str_Form_Name + ". "+ str_Control_Name + ". focus (); document. "+ str_Form_Name + ". "+ str_Control_Name + ". select (); </"+" script> ";
}
/// <Summary>
///