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SQL = "select category. categoryid, categoryname, categorydesc, id, title, author from category inner join article on category. categoryid = article. categoryid order by category. categoryid ";SqlConnection con = new DBConnection (). Con;SqlCommand com = new SqlCommand ();Com. Connection = con;Com. CommandText = SQL;Com. CommandType = CommandType. Text;Con. Open ();SqlDataReader sdr = com. ExecuteReader ();Int tempcategoryid = 0;CategoryInfo cate = n
---------------- Db. cs ------------------------------ // TODO: add the constructor logic here//}Public static SqlConnection createConnection (){SqlConnection con = new SqlConnection ("server =.; database = list; uid = sa; pwd = ;");Return con;}}} --------------------------. Cs source file -------------------------------- Private void Page_Load (object sender, System. EventArgs e){If (! Page. IsPostBack){SqlConnection con = db. createConnection ();Con. Open ();SqlCommand cmd = n
ContentInfo getcontentinfo (int id){Creative article content ClassContentInfo ci = null;Create a parameterSqlParameter parm = new SqlParameter (parm_id, Sqldbtype.bigint, 8);Assigning the ID valueParm. Value = ID;using (SqlDataReader SDR = Sqlhelper.executereader (Sqlhelper.conn_str, CommandType.Text, Sql_select_content, Parm)){if (SDR). Read ()){CI = new ContentInfo (
ContentInfo getcontentinfo (int id){Creative article content ClassContentInfo ci = null;Create a parameterSqlParameter parm = new SqlParameter (parm_id, Sqldbtype.bigint, 8);Assigning the ID valueParm. Value = ID;using (SqlDataReader SDR = Sqlhelper.executereader (Sqlhelper.conn_str, CommandType.Text, Sql_select_content, Parm)){if (SDR). Read ()){CI = new ContentInfo (
;This. Controls.Add (THIS.LABEL5);This. Controls.Add (THIS.LABEL4);This. Controls.Add (THIS.LABEL2);This. Controls.Add (THIS.LABEL3);This. Controls.Add (This.groupbox1);This. Name = "MyControl";This. Size = new System.Drawing.Size (235, 207);This.groupBox1.ResumeLayout (FALSE);This.groupBox1.PerformLayout ();((System.ComponentModel.ISupportInitialize) (This.picturebox1)). EndInit ();This. ResumeLayout (FALSE);This. PerformLayout ();}#endregionPublic System.Windows.Forms.GroupBox GroupBox1;Public
, categoryname, categorydesc, id, title, author from category inner join article on category. categoryid = article. categoryid order by category. categoryid ";SqlConnection con = new DBConnection (). Con;SqlCommand com = new SqlCommand ();Com. Connection = con;Com. CommandText = SQL;Com. CommandType = CommandType. Text;Con. Open ();SqlDataReader sdr = com. ExecuteReader ();Int tempcategoryid = 0;CategoryInfo cate = null;While (
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> /// /// Converts a collection of query statements to a able object. /// /// Query statement set /// Query Result Public Static Datatable getdataforsqls (system. Collections. Generic. List String > Selectsqls ){ Using (Sqlconnection Conn = New Sqlconnection (connectionstring )){Conn. open (); Try {Sqlcommand
Class SqlHelper{static string constr = "server=.; Database=adventureworks;user Id=sa;password=sa; ";private static SqlConnection con;public static SqlConnection Con{Get{if (con = = null){con = new SqlConnection (CONSTR);Con. Open ();}if (Con. state = = connectionstate.closed){Con. Open ();}if (Con. state = = Connectionstate.broken){Con. Close ();Con. Open ();}return con;}}public static SqlDataReader Getreader (String sql){SqlCommand cmd = Con.createcommand ();Cmd.commandtext = SQL;SqlDataReader
Tags: tostring article close webpart void ons apt load artThe original Published time: 2008-08-01--from my Baidu article [imported by moving tools]Using System;Using System.Data;Using System.Configuration;Using System.Web;Using System.Web.Security;Using System.Web.UI;Using System.Web.UI.WebControls;Using System.Web.UI.WebControls.WebParts;Using System.Web.UI.HtmlControls;Using System.Data.SqlClient;public partial class _default:system.web.ui.page{protected void Page_Load (object sender, EventArg
1 usingSystem;2 usingsystem.web;3 usingSystem.Web.Services;4 usingSystem.Web.Services.Protocols;5 usingSystem.Data.OleDb;6 usingSystem.Data;7 usingSystem.IO;8 9 Ten[WebService (Namespace ="http://tempuri.org/")] One[WebServiceBinding (ConformsTo =wsiprofiles.basicprofile1_1)] A Public classService:System.Web.Services.WebService - { - PublicService () { the - //If you are using a design component, uncomment the following line - //InitializeComponent (); - } + - //[
storage locations. First, reveal the secret of Firefox Password Management. To meet the needs of developers to create applications that meet various Security standards, Mozilla developed an Open Source library called "Network Security Services" or "NSS. Firefox uses an API called Security Decoder Ring or SDR to encrypt and decrypt the account certificate. Although the name is very literary, let's take a look at how firefox uses it to encrypt. When a
Sqlconnection conn = new sqlconnection ("Server =.; uid = sa; Pwd = 123; database = 08_09cgywdb; connection timeout = 2 "); Conn. open (); Sqlcommand comm = new sqlcommand ("select object_name (ID) from sysobjects where xtype = 'U' and name like 'tbl20% 'order by name", Conn ); Sqldatareader SDR = comm. executereader (); While (SDR. Read ()){// MessageBox. Show (SDR
;Sqlparameter [] prams = {New sqlparameter ("@ ID", sqldbtype. INT), new sqlparameter ("@ name", sqldbtype. varchar, 50), new sqlparameter ("@ phone", sqldbtype. varchar, 50 )};Prams [0]. value = ID. text;Prams [1]. value = Name. text;Prams [2]. value = phone. text;Foreach (sqlparameter Pa in prams){Cmd. Parameters. Add (PA );}Cmd. executenonquery ();// This. Load (sender, e );This. button#click (sender, e );} Private void form1_load (Object sender, eventargs E){Sqlconnection con = dB. createcon
This project uses Raspberry Pi with ultra-low-cost software radio (SDR) hardware to receive tracking information sent from an airborne S-mode transponder outside millions of miles. The Raspberry Pi is equipped with a smart 3.5-inch TFT display to provide a convenient overview of aircraft activities. HardwareThe rtl2832u-based small SDR receiver (124-5461) is designed for DVB-T reception and is on the
. State); //executing a query returns a result setSqlDataReader SDR =cmd. ExecuteReader (); while(SDR). Read ()) {Customer C=NewCustomer (); C.customerid= sdr["CustomerId"]. ToString (); C.companyname= sdr["CompanyName"]. ToString (); C.contactname=
Introduced:In the Web page, we often encounter the situation in. Select the province in the drop-down box first, and then the second drop-down box will automatically load the city in the province. This design greatly facilitates the user's search. So how does this work?1. Establish a database"Province" table"City" table2. Adding controls3, two drop-down boxes bind the data source separately protected void Page_Load (object sender, EventArgs e) {//Determines whether to enter the page for the
); SqlParameter puserpwd = cmd. Parameters.Add ("@UserPwd", SqlDbType.VarChar, 150); Pusername.value = request.form["UserName"]; Puserpwd.value = request.form["Userpwd"]; Conn. Open (); SqlDataReader SDR = cmd. ExecuteReader (commandbehavior.closeconnection); if (SDR). Read ()) { session["UserID"] = convert.tostring (sdr["ID")); session["stuname"] = conv
;} Method is called: 1 2 3 4 5 P align= ' left ' >6 7 8 9 10 staticvoidmain (string[] args) { person person = new Person (1, "Flyelephant", "Beijing"); user User = Newuser (); user. Id =; user = convertobject (user, person); console.writeline ("Id:" + user . Id + "Name:" + user. Name + "role:" + user. Group); system.console.read (); NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;} NBSP;NBSP;NBSP;NBSP;NBSP; 2. I used to go back to SqlHelper when I wa
= test ";Conn. open ();String sqlcmd;Sqlcmd = @ "select * from test ";Sqlcommand cmd = new sqlcommand (sqlcmd, Conn );Sqldatareader SDR = cmd. executereader ();While (SDR. Read ()){Filevo Vo = new filevo ();VO. client_name = SDR ["clientname"]. tostring ();VO. client_id = SDR ["linkshop"]. tostring ();VO. Category =
Commandbehavior. closeconnection is used to ensure that the connection is also disabled when datareader is disabled. Public static sqldatareader (.....) {Sqlcommand cmd = new sqlcommand ();Sqlconnection conn = new sqlconnection (connectionstring ); // We use a try/catch here because if the method throws an exception we want// Close the connection throw code, because no datareader will exist, hence// Commandbehaviour. closeconnection will not work Try{Preparecommand (CMD, Conn, null, struct
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