页面代码：

处理文件：Handler1.ashx

public class Handler1 : IHttpHandler     {
    public void ProcessRequest(HttpContext context)         {
                context.Response.ContentType = "text/plain"; //context.Response.Write("Hello World");             string Name = context.Request.QueryString["Name"]; if (!String.IsNullOrEmpty(Name))             {
    if (Name.Length < 2)                 {
                        context.Response.Write("smallLength");                 } else                 {
                        context.Response.Write("exist");                 } // Maticsoft.BLL.Personnel person = new Maticsoft.BLL.Personnel(); // Maticsoft.Model.personnelDate personDate = person.GetModel(Name); //if (personDate != null) //{
    //    context.Response.Write("exist"); //}             } else             {
                    context.Response.Write("validateNull");             }         } public bool IsReusable         {
    get             {
    return false;             }         }     }