ASP

Copy Code code as follows: Maximum length validator for textbox, if Varchar,char field type, this validation is required [Description ("Validate MaxLength")] [ToolBoxData ("")] public class Maxlengthvalidator:basevalidator { Gets or

Copy Code code as follows: Class Program { static void Main (string[] args) { TestClass obja = new TestClass (); Obja.name = "I am Obja"; Console.WriteLine (String.Format ("in Main:{0}", Obja.name)); Testfun (Obja);

The general single data selection can be implemented using the DropDownList control, but it is best to select the TreeView control for multiple selective inputs and to enter hierarchical content. This article describes how to use the TreeView

In the server Security section, I wrote an article on "Cracking the general SQL anti-injection method", said that some of the general anti-injection methods do not filter cookie data, will give hackers the opportunity to leave. Of course, my code

Right-click-> Insert-> Sections in the report, find the area where you want to set the background color, and here is the details area. In the Right tab, select Color, check the background color option, and set the default colors. Click the

So it's best to page through the data, if this is the use of stored procedures to pagination. The following is a stored procedure for data paging using the employee table in the pubs database, which you can refer to to create your own stored

XML file name is Bcastr.xml The structure is as follows: Copy Code code as follows: To add a node's function: Copy Code code as follows: Write picture news information to the image News

Copy Code code as follows: private void Page_Load (object sender, System.EventArgs e) { String url1 = "http://s.jb51.net/"; String url2 = "Yun_qi_img/logo.gif"; Response.Write (" Method 1:"); Response.Write (URL1 + "presence:" +

Response.Redirect simply sends a message to the browser, telling the browser to navigate to another page. You can use the following code to direct the user to another page: Response.Redirect ("webform2.aspx") Or Response.Redirect

1. First create a new page for download processing, such as download.aspx, where there is nothing. 2. Add a Downloadhandler class, which inherits from the IHttpHandler interface, and can synchronize HTTP requests with a custom HTTP handler.

This article describes the menu control using the CSS and UL list to display the menu, the resulting HTML is small, without JavaScript support, most browsers support, in addition to IE6 to modify the CSS can also make it support. Through this

The configuration is the same in Web.comfig: The header section of the page also has It's strange, Had to use the stupid way: Write Parameters: Copy Code code as follows: String strURL = Preurl + "? Word={0}&sort={1}&check={2}";

Write cookie page, create cookie, set cookie property, and add to Response.Cookies to read cookies, use the name or index of the cookie to obtain the overwrite cookie from the Request.Cookies, first create a cookie with the same name, read the

The 3 ways are: String A= ""; 1.if (a== "") 2.if (A==string.empty) 3.if (a.length==0) 3 methods are equivalent, so which one is the highest performance? I use the experiment to explain the problem. Create 3 aspx pages (why use Web pages, mainly

Copy code code as follows: if (this. Fileupload1.postedfile!= null) { String filename = this. FileUpload1.FileName.ToString (); String path = @Server. MapPath (". /file/") + filename; this. FileUpload1.PostedFile.SaveAs (

Write a database statistic function first Copy Code code as follows: public static int Count (string cityname) { String cmdtext = ""; SqlConnection conn = new SqlConnection (DBH. DBA); SqlCommand cmd = null; Cmdtext =

The old algorithm is simple for every dirty word called once string.replace, of course, with the StringBuilder. Http://www.jb51.net/article/20575.htm. When I test here, the regex is about one times faster. But still not very satisfied, should be for

It is not that I do not open source, I think it is easier to wrap up, I did not encrypt, to see the source code directly reversed to see. All Wq objects, sorted by their function, are placed under 5 different namespaces: Copy Code code as

Verification code technology is designed to prevent violent cracking, and so on. Now the general website registration and so on provide authentication code function, especially Tencent is a long string. The text refers to someone else's code. There

Copy Code code as follows: text= "Upload"/> Controltovalidate= "FileUpload1" display= "Static" Errormessage= "You should can upload image file such as files with. jpg or gif extension" Onservervalidate=