asp.net textbox JavaScript implements enter and Ctrl+enter interchange text boxes to send messages with line wrapping (similar to QQ) _ Practical Tips

1, perhaps a little beginner, I hope the master do not "spray" me, because I know not everyone is a master, I am afraid of the experts said I loaded 13; 2, if there is anything wrong place, but also hope that you must be open-minded to learn, if

A brief summary of several methods of ASP.net split string-practical tips

Here are a few: 1, the simplest and most commonly used method, with a specified character split open vs.net to create a new console project. Then enter the following program under the main () method. Copy Code code as follows:

Imitate click event in IE and Firefox and submit to new window summary (asp.net) _ Practical Tips

First look at the code that simulates the Click event: Copy Code code as follows: ok In fact, I am in the page to trigger a click event in order to submit the form, in the form of a new window open, we often ignore some

ASP.net verification Code of simple production (vb.net+c#) _ Practical skills

A general method for verifying code effects on a Web site is: 1 Use HttpHandler (general handler) to draw the graph of random verification code, and generate random code, and output to the outputstream of the page. 2 The page uses the asynchronous

asp.net program Optimization Minimize Database connection operation _ practical skills

The project is completed with my own design code and integrates the tests. The problem occurs when you initialize the data. It is very slow to accept data at the beginning of the client. Test environment, the database server is deployed abroad, the

Asp.net+ajax verify the existence of the user's implementation code _ practical skills

Requirements: do an AJAX login Main technical points: jquery Ajax and Blur events When the user name input box loses the focus, it triggers the Blur event, then makes an AJAX request, obtains the result (true or false), and if the request result

The use of ASP.net DoDragDrop Method-practical skills

The definition in the class library is: Copy Code code as follows: [Uipermissionattribute (SecurityAction.Demand, Clipboard = Uipermissionclipboard.ownclipboard)] Public DragDropEffects DoDragDrop ( Object data, DragDropEffects

asp.net picture add watermark anti-theft Chain Implementation Code _ Practical skills

First build a class: Copy Code code as follows: Using System; Using System.Collections.Generic; Using System.Linq; Using System.Web; Using System.Drawing; Summary description of Class1 public class Class1:ihttphandler//Calling

asp.net to obtain the parameters of the system to achieve code _ practical skills

Copy Code code as follows: Operating system name public string Getosinfo () { return System.Environment.OSVersion.Platform.ToString (); } Operating system version public string getosversion () { return

asp.net code to get pictures in a folder _ Practical tips

Front desk: Copy Code code as follows: Cellspacing= ">" " width= "" height= "" border= "0" > Background code: Copy Code code as follows: String path = Server.MapPath ("img");//Get the path to the IMG folder

Implementing code for downloading files in asp.net-practical tips

This is the author is often asked a question, how to download the file through the ASP.net, this problem can be small, we first from the small start. The easiest way to get the user to download a file is through the Response.Redirect

Code _ Practical Tips for recursively outputting the type and ID of all controls on a asp.net page

Write a method: Copy Code code as follows: private void Displayallcontrol (control control, int step) { foreach (Control ctl. Controls) { string s = new string ('-', step * 4) + ctl. GetType (). Name + "" + Ctl.id + ""; Response.Write

Asp. NET operation database Basic steps sharing _ Practical skills

1.ASP. NET Operations Database: Asp. NET data manipulation methods commonly used: A. ExecuteReader () Returns a SqlDataReader object or OleDbDataReader object, with each return or operation directing a record to be saved in the server's memory. In

asp.net under the Ajax.ajaxmethod use method _ Practical skills

Use Ajaxmethod to satisfy a few points: 1. If you don't have a ajax.dll file, download the first one to 2. To add Ajax.dll to a project reference: Right-click the project name-"Add Project Reference" in the VS Solution Explorer-Browse, find Ajax.dll

The realization method of returning the previous page using JS asp.net under the _javascript technique of small set

Method One: In the source code in ASP.net's aspx, This is the use of HTML control, through a onclick event, invoke JavaScript in a method is OK. This is the simplest, but also applies to static pages, ASP pages and so on. Method Two: Using

Asp. NET in Request.Form Chinese garbled solution _ practical skills

BackgroundInvolving two web sites of communication, site A has a page a, in the form of submission, the value of the site B to the page B. Website A unifies the UTF-8 code, the website B unifies uses the GB2312 code. encoding settings in

Asp. NET is not available in the context of the IIS7 solution _ practical skills

Johnny Win7 has been a few months of time, but a few days ago to reload the system, is still used Win7, but today in the opening of the VS2009 project in IE after the test when the open will appear an error as follows: Request not available in this

asp.net through HttpModule calculate the time of the page execution _ practical skills

Create a class library that establishes the following classes: Copy Code code as follows: Using System; Using System.Collections.Generic; Using system.web;//references Web namespaces Using System.Text; Namespace Timerhttpmodule {

asp.net Session Loss Solution Summary _ Practical skills

Now I'm going to write out the reason and the solution. asp.net session missing reason:Because the ASP.net program is the default configuration, the session setting in the Web.config file is as follows: We will find that there is an attribute mode

asp.net small Talk about website performance Optimization _ Practical skills

Of course, the site performance optimization is multifaceted, here to talk about these days to obtain: 1, the habit of writing code; Again the complex logic, is also from the simplest start. In the process of writing code, many bad specifications

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