rdr vx535

Int_if = "rl0" Cnc_if = "rl2" Internal_net = "192.168.0.0/16" Cnc_addr = "21.10.4.6"Web_server = "192.168.200.144"Routerip = "192.168.200.101"Intnet = "192.168.0.0/16" No nat on $ int_if from $ int_if to $ internal_netNat on $ int_if proto TCP from $ internal_net to $ web_server port www-> ($ int_if)Nat on $ cnc_if from $ internal_net to any-> ($ cnc_if) RDR on $ int_if proto TCP from $ internal_net to $ cnc_addr port www-> $ web_server port WW

'"; SqlConnection cn=new SqlConnection (strconn); cn. Open (); SqlCommand cmd=new SqlCommand (STRSQL,CN); int Recordsaffercted=cmd. ExecuteNonQuery (); if (recordsaffercted ==1) ...... Else ............ ⒊ Check the query results with the SqlDataReader object: ① Get Results String Strconn,strsql; Strconn= "..."; SqlConnection cn=new SqlConnection (strconn); cn. Open (); Strsql= "Select Customerid,companyname from Customers"; SqlCommand cmd=new SqlCommand (STRSQL,CN); SqlDataRead

you use ilist. If (! Ispostback ){ /* **************************************** * ************************************ Declare @ I int -- variable @ I set @ I = 10 -- initialize @ I to 1 while @ I */ Response. Buffer = True ; Response. Expires = 0 ; Response. expiresabsolute = Datetime. Now. adddays (- 1 ); Response. addheader ( " Pragma " , " No-Cache " ); Response. addheader ( " Cache-control " , " Private " ); Response. cachecontrol = " No-Cache " ; Int I = 0 ; Sqlco

needs, and is not an actual field in the Person table. 3. Data entity ConversionCode Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Public class SqlHelper { Private const string strSqlCon = @ "Data Source =. \ sqlexpress; Initial Catalog = TestDb; User Id = sa; Password = 123456 ;"; /// /// Convert data table items to corresponding entities (the total number of records in the two result sets of the Operation)/// /// /// /// /// Public static

Ado.net Cmd. Transaction = conn. BeginTransaction () Try { Cmd.commandtext= "..." Cmd. ExecuteNonQuery () Cmd.Transaction.commit () } catch (Exception ex) Cmd. Transaction.rollback () End Try If you want to combine database transactions with some external systems (such as a web update at the same time as a database update, or when a Web update fails and you want to roll back a transaction), select client-side write transactions (written in ado.net) Write transaction statements directly on the s

Tags: txt new The return while row key traverse ble-------------------------------------------------------------------------------------------------The query parser for the database writes the following code:Ccreate Table Studentname(ID int primary key identity (.) NOT NULL,Name nvarchar (+) NOT NULL)INSERT into studentname values (' long ')INSERT into studentname values (' long ')INSERT into studentname values (' long ')INSERT into studentname values (' long ')INSERT into studentname values ('

); IF (Conn. state = = connectionstate.closed) { Conn. Open (); } Query large categories of information SqlDataAdapter classdataadpt = new SqlDataAdapter ("Select Id, Classname from" + Classtablename, connectionString); DataSet Classdataset = new DataSet (); Classdataadpt.fill (Classdataset, classtablename); Writerfile.writeline ("According to the large categories of information to check the various categories under the article Information for (int i = 0; i { String tempsql = "Select Id, Article

Information SqlDataAdapter classDataAdpt = new SqlDataAdapter ("SELECT Id, Classname FROM" + classTableName, connectionString ); DataSet classDataSet = new DataSet (); ClassDataAdpt. Fill (classDataSet, classTableName ); WriterFile. WriteLine ("// Query the document information of each category based on the category Information For (int I = 0; I { String tempsql = "SELECT Id, ArticleTitle, Parentid FROM" + articleItemTableName + "where Parentid =" + classDataSet. Tables [0]. Rows [I] [0]. ToStr

= new SqlDataAdapter ("SELECT Id, Classname FROM" + classTableName, connectionString );DataSet classDataSet = new DataSet ();ClassDataAdpt. Fill (classDataSet, classTableName );WriterFile. WriteLine ("// Query the document information of each category based on the category InformationFor (int I = 0; I {String tempsql = "SELECT Id, ArticleTitle, Parentid FROM" + articleItemTableName + "where Parentid =" + classDataSet. Tables [0]. Rows [I] [0]. ToString ();SqlCommand cmd = new SqlCommand (tempsq

Processing with some external systems (for example, when the database is updated simultaneously, if the Web update fails, you want to roll back the transaction ), select the client to write the transaction processing (using ADO. net)Write the transaction statement directly on the server if you only perform database transaction processing (write the transaction in SQL Server2000)You can create savepoint in a transaction to implement partial transaction rollback.Cmd. transaction. Save ("new custo

translate them directly, you cannot read them; One is: Reading data in one place, but it is a literal translation. It mainly refers to what operations are carried out in this section. It seems that the problem has been explained, but roilpead, you are tired of watching it yourself; The third is reading data in one place, but it is a free translation. At this moment, you must truly see thatCodeWhat are you doing ?? The Assembly Language is like this. So should it be like this... Let's

List Sqlconnection conn = new sqlconnection (connection string ); Sqlcommand cmd = new sqlcommand ("SELECT statement", Conn ); Conn. open (); Using (sqldatareader RDR = cmd. executereader ()){While (RDR. Read ()){User u = new user ();User. ID = (INT) RDR ["ID"];User. loginid = (string) RDR ["loginid"];User. loginpwd =

The following code is available in petshop4.0: Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 Public ilist 2 3 ilist 4 5 // execute a query to read the categories 6 using (sqldatareader RDR = sqlhelper. executereader (sqlhelper. connectionstringlocaltransaction, commandtype. Text, SQL _select_categories, null )){ 7 while (RDR. Read ()){ 8 categoryin

["department"] = TxtBumen.Text.Trim (); mainnewitem["position"] = TxtZHiwei. Text.trim (); Mainnewitem.update (); Smainitemid = MainNewItem.ID.ToString (); } if (dt! = null dt. Rows.Count > 0) {foreach (DataRow rdr in dt.) Rows) {if (Convert.toboolean (rdr["New"]. ToString ())) {SPListItem oNewItem = cilist. Items.Add (); Onewitem["Leave or

= "select account. email, account. firstname, account. lastname, account. addr1, account. addr2, account. city, account. state, account. zip, account. country, account. phone, profile. langpref, profile. favcategory, profile. mylistopt, profile. banneropt from account inner join profile on account. userid = profile. userid inner join signon on account. userid = signon. username where signon. username = @ userid and signon. password = @ password "; /// /// Ing the returned result set to the add

Step 1: Get the class library file that supports database connection:Oracle. DataAccess. dllHow to obtain it? Oracle. DataAccess. dll, Copy it to yourReference under Solution Oraprovcmd.exeEnvironment variables are automatically configured (figure 2) Step 2: Before official use, add reference to the project: Oracle. DataAccess. ClientSet database connections and other general functions, Oracle. DataAccess. TypesSet custom oracle Data Types Step 3: Instance description ) (HOST =192.168.

Access | data (2) Entityconvert This dongdong is imitate the product of System.Convert, just don't feel how, use up really a little reluctant to do (the code 1 in the beginning of this article has used this utility)! Don't believe it, and look at the following code (just two cases J): Code 16: I change, I change, I change! public static Class Entityconvert { public static IList ToList (DbDataReader rdr, Type entity) { ArrayList list = new A

System.Data.OleDb; Using System.IO; Using System.Text; public partial class Admin_Slide:System.Web.UI.Page protected void Page_Load (object sender, EventArgs e) {} pro tected void Add_btn_click (object sender, EventArgs e)//Add slides, write information to database string Imgpath; Imgpath = ".. /uploadfiles/slideimg/"+ imgup.filename; Imgup.saveas (Server.MapPath (Imgpath)); Myoledb mc = new Myoledb (); Mc. Connopen (); OleDbCommand cmd = new OleDbCommand (INSERT into slidei

shows how to read a SalesOrder from a database and then reduce the amount of inventory for items that have been sold. Typically, this will require two sequential connections to the database-one to read the amount of items sold, and another to use the reduced amount to update the inventory.The following code fragment shows how to do this without using the Mars feature. ArrayList ids = new ArrayList ();ArrayList qtys = new ArrayList ();String connectionString = "Data source=mediacenter;" +"Initia

memory.Third, SqlDataReader returned is a data reader, only one of the reading, operation is not flexible, generally in read-only time to use.SqlDataAdapter returns a dataset or table that can manipulate the data in it.Four, the different wording:Sqldatreader the database must be opened before execution, and a command object must be generated. Again by command. The ExecuteReader () method assigns a value. You must close the join manually after completion.SqlCommand cmd = new SqlCommand ("SELECT