ASP

GridView General Usage 1, the GridView Front interface code The GridView creates columns in two main ways: 1 data binding, which represents the field displayed as text in a data-bound control. DataField = "Answernum", Answernum is a field in the

Database structure The code is as follows Copy Code CREATE TABLE Category(ID int,Clsno nvarchar (50),Clsname nvarchar (50),Clslist nvarchar (250),Clsparentno nvarchar (50),Clslistlen int) asp.net program

 It was found that TreeNode had no relevant attributes, and the CheckBox in the TreeView was basically out of control, so I went online for help and basically talked nonsense. Some heroes couldn't even tell WinForm and WebForm.Some people say that

Next we will share some simple operations on cookies.1. Add cookies (using cookies for sso, saving and modifying user information will depend on cookies)  The code is as follows:Copy code # Region # Add cookeis/// /// Add cookeis/// Public void

If Eval is used to determine whether the field is null, if it is null, assign a value,If Eval is used to determine whether it is true or false,If you cannot use Eval, You can use this method. The backend defines this variable globally. protected

The code is as follows:Copy code

Program code The code is as follows:Copy code Private void Form1_Load (object sender, EventArgs e){WebBrowser1.Navigate ("about: blank"); // required; otherwise, the WebBrowser. ActiveXInstance value is null.SHDocVw. WebBrowser wb = (SHDocVw.

Let's look at an example.DataGridView The code is as follows:Copy code /// /// Select the up and down arrow keys of the DataGridView./// /// /// /// Public static DataGridViewCell DataGridView_KeyUpDownScrollToRow (DataGridView dgv,

[Relative path]Request. ApplicationPath/srcPath. GetDirectoryName (HttpContext. Current. Request. RawUrl) // src // XiaosheContext. Request. Path/src/Xiaoshe/Xiaoshe_New.aspxContext. Request.

I. TimeSpan constants and fieldsTimeSpan. MaxValue; // 10675199.02: 48: 05.4775807TimeSpan. MinValue; //-10675199.02: 48: 05.4775808TimeSpan. Zero; // 0.00: 00: 00.0TimeSpan. TicksPerDay; // The number of ticks per day: 864000000000TimeSpan.

First, import the namespace: The code is as follows:Copy code Using System. Net. Mail; Define the method for sending emails. [there are many differences on the internet. For more information, see WinForm.] The code is as follows:Copy code //

The Thread class can create and control threads. The constructor overload of the Thread class is a principal parameter that accepts the ThreadStart and ParameterizedThreadStart types. Next we will use an example to explain how to use the Thread

Determine whether a file exists The code is as follows:Copy code Using System. IO; // you need a namespace. Don't forget.If (System. IO. File. Exists ("c: aaa.txt") // note that the double quotation mark path should be a double slash.{// ########

ASP. NET can read XML files in four ways for analysis. For more information, see.Method 1: Use the XML controlThe code is as follows: The code is as follows:Copy code XML method 1 Method 2: Use DOM technologyThe code is as follows: The

Next I will explain the specific methods for you. Main methods: The code is as follows:Copy code Public string GetInterIDList (string strfile)    {String strout;Strout = "";If (! File. Exists (System. Web. HttpContext. Current. Server. MapPath

After a test today, it is found that when the "Name" keyword is used as the key value in the XML data returned by WebService, the ASP page cannot read the entire XML document, and the following error occurs:The XML page cannot be displayed.XML input

XML has been widely used in various aspects, but in. net applications, not many pages are displayed.XML is displayed on the. net page. I mean to use XML diversity to display diverse images and texts on the asp.net page. For example, on the. net page,

1 CDONTS. NewMail cannot send emails1. Confirm that the SMTP service of IIS is installed.2. In IIS Manager, set the smtp service attributes. In the relay dialog box, set "only in the following list ". By default, it only transfers emails to the

Try it.On error resume nextSet session = CreateObject ("Notes. NotesSession ")Set db = session. GetDatabase ("", "test4.nsf ")Set doc = db. CreateDocumentDoc. Form = "Main"Doc. Subject = "subject"Doc. Body = "body"Doc. Save true, falseIf Err. Number

It includes the configuration of the running platform, the establishment of pagelet, the use of new ADO +, how to use the new DataSet for data access, and the transformation from HTML tables to DataList, and other new server-side controls ......