webform validation

?" Classno= "+Encrypt.Md5encrypt (CLASSNO); }Repeater.DataSource =Newss.Take (count);Repeater.DataBind (); }}catch (Exceptione) {}}#region Website VisitsProtectedvoidPageviews () {IntCount = 0;Data accumulationIntStat = 0;StreamReaderSrdGet the actual path to the fileStringFile_path =Server.MapPath ("/xml/counter.txt");Open a file for readingSRD =File.OpenText (File_path);while (Srd.Peek ()! =-1) {Stringstr =Srd.ReadLine ();Count =Int.Parse (STR); }Srd.Close ();Code to run when a new session is

type to control its display of different content) Public Partial classnewsuc:system.web.ui.usercontrol{Private string_newstype; Public stringNewstype {Set{_newstype=value; } } Private string_bgcolor; Public stringBgcolor {Get { return_bgcolor; } Set{_bgcolor=value; } } PrivateNewsdbdatacontext context =NewNewsdbdatacontext (); protected voidPage_Load (Objectsender, EventArgs e) { if(!IsPostBack) { varQ1 = context. News.where (p=>p.type==_

Solution:Use VS2012 development, all to install NuGet plug-in (official website: http://nuget.org), into the official network installed into the Microsoft download page,Select the vs2012 version of the NuGet.Tools.vsix file and double-click to install it. As follows:https://visualstudiogallery.msdn.microsoft.com/27077b70-9dad-4c64-adcf-c7cf6bc9970cVS2012 Create WebForm Project Tip error: This template tries to load component assemblies "NuGet.VisualSt

First, I will not update my blog for a long time. Today, the company's servers are no longer available, so it's okay to update a blog. Today, we want to talk about how to modify the templates of various files in vs2010 to save the time required to add a file annotation to the file each time a new file is added. It greatly improves work efficiency and gives you a pleasant working mood. Tip: it is best to back up the template before changing the template so that it can be restored in the future. O

HTML formText class:Button class:File class:Data binding between composite controls, setting default check items, taking valuesRadionbuttonlist and DropDownList:Data binding-datasourceFor example: listRadioButtonList1. DataSource = list;RadioButtonList1. DataTextField = "Nationname";RadioButtonList1. DataValueField = "Nationcode";RadioButtonList1. DataBind ();Set the default check　　　　Change 1.selectedindex-Index　　2,selectedvalue-valueTake valueSelectedItem　　　　　　Depending on the value of the bind

precedence4, text box digital verification (Li Brainstorming lxc) 5. Operators with C #6. StatementsBranch Statement If...else If...elseLoop statement for (int i=0;i7. ArraysSimilar to collections in C #, not fixed-length, non-fixed typeAssignment: Assign a value directly with an index without addEmpty: With a foreach loop, array[i]=null;Quantity: Length;8. FunctionsNo parameter no return, no return, no parameter, no return, no parameter returned type, direct returnRecursion: Self Tune Yourself

, substr (x, y)-intercept string, start at index x, intercept y length5. Split (' x ')-string segmentation with X as tag6, IndexOf ("string")-Returns the first index value of a string7, Trim ()-Remove the space before and after8, var d = new Date (); -Get current timevar d = new Date (2000,3,3); -Define TimeAlert (D.getfullyear ()); -Get the year in time9. Mathematical functions with C #10. Common events:OnClick-click eventOnDblClick-Double-click eventOnmouseover,onmouseout-mouse hover, departur

Box-shadow IntroductionCSS3 can easily add a shadow effect to an element using the Box-shadow property, Box-shadow can set multiple sets of effects, each set of parameter values separated by commas.Grammar:box-shadow：x-shadow y-shadow blur spread color inset;Parameter description: X-shadow: Sets the shadow horizontal offset value of an object, which can be px, EM, or percent, allowing negative values. Y-shadow: Sets the shadow vertical offset value of an object, which can be px,

CookiesAshx End Assignment:Context. response.cookies["Username"]. Value = "";Back-end loading:Response.Write (request.cookies["Username"].value);SessionAshx end assignment of three:Using system;using system.web;using system.web.sessionstate;//First Step: Reference namespace//second step: Implement Interface public class Login:ihttphandler, irequiressessionstate {public void ProcessRequest (HttpContext context) { string un = context. request["uname"]; string pwd = context. req

Ylbtech-Architecture: WebForm-blog center-6.0-Space-Short Message (Msg) The implementation of space short messages in the blog Park. 1. A, Concept Advantages: Disadvantages: 1. B, Structure B .1,/msg/Inbox. aspx B .2,/msg/Compose. aspx B .3,/msg/Message. aspx B .4,/msg/Outbox. aspx B .5,/msg/Export. aspx 1. C. creation process C.1, write information --> sender --> View [reply, convert, delete] for

Ylbtech-OpenSource: WebForm-blog garden-1.0-Passport-Logon and Registration Everyone is bored in their spare time, so someone suggested that we create a blog park on our own! So we use it every day (even overnight, why? Most people want to write a few more good articles. One is to share their experiences, and the other is to share the concerns and sympathy of others !) First, I roughly analyzed the website, divided the modules, straightened out t

WebForm demo, simulating mobile phone Usb interface charging, webformdemo MATERIALS: Mobile, MiniCharger, IUsb ), Design Concept: 1. Declare the interaction mode between IUsb objects, including an event; 2. Mobile implements the IUsb interface, which is the key point. It is the interface implemented by the caller and needs to be delegated to the charging device through the event; 3. Mobile reflection charging device, injecting IUsb through constructor

cookies//Assign Valuestrings =TextBox1.Text; response.cookies["username"]. Value =s;if(checkbox1.checked) {response.cookies["username"]. Expires =datetime.now.adddays (3);//set the expiration time of a cookie }//Take valueif(request.cookies["username"] !=NULL) Label1.Text= request.cookies["username"]. Value;Cookies　　If you want to empty a saved persistent cookie, you can do so by response.cookies["username". Expires = DateTime.Now.AddDays (-10); The date before setting this cookie ex

the kitchen-IIS informs the. NET framework of the ASPX that the user wants to seeKitchen cooking-the. NET Framework performs processing of C # code in ASPX pagesShouted the waiter to serve the dishes-. NET Framework to return the processed pages to the Iis,iis to the user.(2). html fileTo head Garlic-HTML page requests, IIS can be returned directly to the user without having to go through. NET Framework ProcessingExample 2, connect the database, display the linked table in the form of a table o

System.Web.UI; 6 using System.Web.UI.WebControls; 7 8 public partial class Default2:System.Web.UI.Page 9 {protected void Page_Load (object sender, EventArgs e) 11 {if (! IsPostBack) (Literal1.text = DataBind ();}16}17 public String DataBind () 18 {String end = ""; list1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 8 Public partial class Delete:System.Web.UI.Page 9 { protected v

stringBirstr {Get { stringEnd =""; if( This. _birthday!=NULL) {End= Convert.todatetime ( This. _birthday). ToString ("yyyy mm month DD Day"); } returnend; } }User Data extension(4) Increase and deletion checkFirst instantiate:1 NULL //web-Built LINQ class name 2 Public UserData () 3 {4 new webdatacontext (); 5 }First, check all 1 public list Select () 2 { 3 return con. User.tolist (); 4 } //user is the object name, which is the table n

// take out The primary key value you want to delete string Code = request["ID"]; // the primary key value is passed to the method for deletion. BOOL New studentdata (). Delete (Code); // Skip to transfer display page after delete complete if (b) { Response.Redirect ("default.aspx"); }(ii) Amendment1. Constructs the modification interface, and carries on the verification and the data point2. Present the original data to the page3. Perform the

File Upload (control: Fileupload)--File mapping: Server.MapPath (PATH) (phaseAbsolute path to turn)--Save to the specified path: fileupload.saveasExample: Click the button to get the uploaded image;String path= "Images\aaa.txt";String endpash= Server.MapPath (path);Fileupload.saveas (absolute path);1. Upload files with duplicate names:FIX: (Preserve file formerly known as) stringPath= "images/" +fileupload.filename；Problem two: Multiple uploads are easy to repeat:Resolution: (plus time) stringPa

= (WebForm1) Context.Handler;This. Label1.Text = ((TextBox) poster. FindControl ("TextBox1")). Text;}6. Context.Handler Get public variablesSend Pagepublic string testpost = "Testpost";protected void button2_click (object sender, EventArgs e){Server.Transfer ("webform2.aspx");}Accept PageGets the object that the post passes overif (Context.Handler is WebForm1){WebForm1 poster = (WebForm1) Context.Handler;This. Label2.Text = Poster.testpost;}7. Context.items variableSend Pageprotected void butto

informs the. NET framework of the ASPX that the user wants to seeKitchen cooking-the. NET Framework performs processing of C # code in ASPX pagesShouted the waiter to serve the dishes-. NET Framework to return the processed pages to the Iis,iis to the user.(2). hrml fileTo head Garlic-HTML page requests, IIS can be returned directly to the user without having to go through. NET Framework ProcessingExample 2, connect the database, display the linked table in the form of a table on the browser"C