tr800 dt3

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Generate a three-level tree menu

Private void gettree (){Datatable dt1 = new datatable ();Datatable dt2 = new datatable ();Datatable dt3 = new datatable ();If (strbbstype = "1 "){Dt1 = sqlhelper. executedataset (sqlhelper. Conn, commandtype. Text, "select ID, menuname, URL from m_menuhead"). Tables [0];Dt2 = sqlhelper. executedataset (sqlhelper. Conn, commandtype. Text, "select ID, PID, menuname from m_menuchildren"). Tables [0];Dt3 = sqlh

JavaScript built-in objects date common functions

Get current timevar dt = new Date ();alert (DT);Incoming timevar dt1 = new Date ("2017-08-12");alert (DT1);//Gets the time object (in milliseconds)var DT2 = Date.now ();alert (DT2);//var dt3 = new Date ();Get yearAlert (Dt3.getfullyear ());Get monthAlert (Dt3.getmonth () + 1);//is the real month starting from 0 plus 1Get DateAlert (

Adjust the date to working time

Often with date calculations, something starts working at a certain time, and after n hours of work (working time only), what time is expected to be completed DT1?Suppose the working time is 9:00-18:00, 9 hours a day ... Well, I'll forget about 1 hours at noon.Now there is dt1 start time, N hours, DT2, end time.1. If the direct use of DT1 + N, the time is less good, slightly a large, it will be the end of the night or the nth day of the night ... Obviously unreasonable.2. Consider the time of th

Delete the duplicate data of a able.

It can be used in left and right listbox Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Private DataTable NoReDt (DataTable more, DataTable less) { DataTable dt3 = new DataTable (); Dt3.Columns. Add ("ID "); Dt3.Columns. Add ("Name "); Dt3 = more. Copy (); For

Datatable's merge method and addition of datatable to Dataset

The merge method combines two data tables with similar structures into one data table: Instance Code : // Create Table1 Datatable dt1 = New Datatable (); dt1.columns. Add ( " ID " ); Dt1.columns. Add ( " Name " ); Dt1.columns. Add ( " PWD " ); For ( Int I = 0 ; I 5 ; I ++ ) {Dt1.rows. Add ( New Object [] {I. tostring (), " Name " + I. tostring (), " ** " });} // Create Table2 Datatable dt2 = New Datatable (); dt2.columns. A

Xtrareport prints 3 records on a piece of paper

First, create two xtrareport. One is the master and the other is the slave MASTER: add three xrsubreport controls to detail. View code /// /// Print /// /// Dataset /// Printer name Public Newsuningreport (datatable dt1, datatable dt2, datatable dt3, String Printername) {initializecomponent (); If (Dt1! = Null ) {Suningreport sunrep1 = New Suningreport (dt1 ); This . Xrsubreport1.r

C # DataTable usage

values of a row in the table in the array of objects with the same number of Columns as the table. For (int I = 0; I NewDataTable. Rows. Add (objArray); // Add the array value to the new table. }} Return newDataTable; // return the new table .} // Configure //------------------------------------------------------------------------------------------------------------------------------ Merge two able data into one able // two DT data tables with the same structure. able DataTable1 = new able ();

C # About Time processing

A. DateTime In C #, the system provides a lot of functions about time processing, and we can get the system time through System.DateTime.Now. Of course, you can also use a DateTime class to create a time object. Here are a few examples of how to get the system time. DateTime DT1 = new DateTime (2004, 10, 19);Console.WriteLine ("DT1: {0}", DT1);DateTime DT2 = new DateTime (2004, 10, 19, 22, 47, 35);Console.WriteLine ("DT2: {0}", DT2);DateTime DT

C # Compare time size 1, compare time size experiment

1. Comparison of time and size experiments stringst1="12:13"; stringSt2="14:14"; DateTime DT1=Convert.todatetime (ST1); DateTime DT2=Convert.todatetime (ST2); DateTime DT3=DateTime.Now; if(Datetime.compare (DT1,DT2) >0) Msg. Text=st1+">"+St2; ElseMsg. Text=st1+""+St2; Msg. Text+="\ r \ n"+DT1. ToString (); if(Datetime.compare (DT1,DT3) >0) Msg. Text+="\ r \ n"+st1+">"+

Introduction to the use of objects in object-oriented languages

write as follows: Datatable dt1 = new datatable (); // instantiate class datatable dt2; // defines an object, but does not instantiate datatable dt3; // defines an object, but does not instantiate dt2 = dt1; // pass the first address of the Instance stored in dt1 to dt2dt3 = dt2; // send the first address of the Instance stored in dt2 to dt3 This method is completely feasible! If it is instanti

Use of Ajax loaded data

The requirement is that the data can no longer be loaded when the page is accessed, and can only be loaded when one of the buttons is clicked. Concrete effects such as the bottom diagram.1. Front Page1class="title"Id="001"Name="001"onclick="GetData (1)">2Overview class="Title_icon">3class="mc_list"Id="div001"style="Display:none">4 52. Ajax Code1 GetData (n) {2 $.ajax ({3Type"Get",4Url:"getdatahander.ashx?para="+ N +"jbid="+Jbid,5DataType:"JSON",6 success:function (data) {7 $.each

Operations for C # dates

= Convert.ToInt32 (DateTime.Now.DayOfWeek) MondayDateTime Monday = new DateTime (datetime.now.year,datetime.now.month,datetime.now.day). AddDays (1-dayofweek);This SundayDateTime Sunday = Monday. AddDays (6);Midnight of Sunday this weekDateTime Sunday2 = Monday. AddDays (7). Addmilliseconds (-3);First day of the quarterDateTime firsydayinquarter = new DateTime (DateTime.Now.Year, DateTime.Now.Month-(datetime.now.month-1)% 3, 1);Last day of the quarterDateTime Lastdayinquarter = firsydayinquarte

Custom TreeNode attributes

from serverconfig where sysname = '" + mss + "'"; CMySql db2 = new CMySql ();DataTable dt2 = new DataTable ();Dt2 = db2.SelectDt (sql2 );Foreach (DataRow row2 in dt2.Rows){String name = row2 ["servername"]. ToString ();IPAddress ip = IPAddress. Parse (row2 ["ipaddress"]. ToString ());GroupTreeNode = treeVideo_server.AddGroup (name, rootNode, ip); // attributes with ip addressesString sql3 = "select channelname from channelconfig where servername = '" + name + "'";CMySql db3 = new CMySql ();Dat

C # Inside comparison time size three ways

1, compare the time size of the experiment string  st1="12:13"; string  st2="14:14"; DateTime  dt1=Convert.ToDateTime(st1); DateTime  dt2=Convert.ToDateTime(st2); DateTime  dt3=DateTime.Now; if(DateTime.Compare(dt1,dt2)>0) msg.Text=st1+">"+st2; else msg.Text=st1+" msg.Text+="\r\n"+dt1.ToString(); if(DateTime.Compare(dt1,dt3)>0) msg.Text+="\r\n"+st1+">"+dt3.ToStr

C # Date-time operations

);//sat, Nov-14:23:23 GMTLabel9.text = string. Format ("{0:s}", DT);//2005-11-05t14:23:23Label10.text = string. Format ("{0:t}", DT);//14:23Label11.text = string. Format ("{0:t}", DT);//14:23:23Label12.text = string. Format ("{0:u}", DT);//2005-11-05 14:23:23zLabel13.text = string. Format ("{0:u}", dt);//November 5, 2005 6:23:23Label14.text = string. Format ("{0:y}", dt);//November 2005Label15.text = string. Format ("{0}", dt);//2005-11-5 14:23:23Label16.text = string. Format ("{0:yyyymmddhhmmss

C # compare the two time sizes

1. Time-based experimentsString ST1 = "12:13 ";String st2 = "14:14 ";Datetime dt1 = convert. todatetime (ST1 );Datetime dt2 = convert. todatetime (st2 );Datetime dt3 = datetime. now;If (datetime. Compare (dt1, dt2)> 0)MSG. Text = ST1 + ">" + st2;ElseMSG. Text = ST1 + "MSG. Text + = "\ r \ n" + dt1.tostring ();If (datetime. Compare (dt1, dt3)> 0)MSG. Text + = "\ r \ n" + ST1 + ">" +

C # Date Time formatting

("{0:f}", dt);//November 5, 2005 14:23:23Label5.text = string. Format ("{0:g}", DT);//2005-11-5 14:23Label6.text = string. Format ("{0:g}", DT);//2005-11-5 14:23:23Label7.text = string. Format ("{0:m}", dt);//November 5Label8.text = string. Format ("{0:r}", DT);//sat, 2005 14:23:23 GMTLabel9.text = string. Format ("{0:s}", DT);//2005-11-05t14:23:23Label10.text string. Format ("{0:t}", DT);//14:23Label11.text = string. Format ("{0:t}", DT);//14:23:23Label12.text = string. Format ("{0:u}", DT);//

C # time-date operations

(DateTime.Now.DayOfWeek) MondayDateTime Monday = new DateTime (datetime.now.year,datetime.now.month,datetime.now.day). AddDays (1-dayofweek);This SundayDateTime Sunday = Monday. AddDays (6);Midnight of Sunday this weekDateTime Sunday2 = Monday. AddDays (7). Addmilliseconds (-3);First day of the quarterDateTime firsydayinquarter = new DateTime (DateTime.Now.Year, DateTime.Now.Month-(datetime.now.month-1)% 3, 1);Last day of the quarterDateTime Lastdayinquarter = firsydayinquarter.addmonths (3). A

C # Date formatting

); ' 2005 year one month String. Format ("{0}", DT); ' 2005-11-5 14:23:23 String. Format ("{0:yyyymmddhhmmssffff}", DT);Compare two time sizes1, time-size experimentsString st1= "12:13";String st2= "14:14";DateTime Dt1=convert.todatetime (ST1);DateTime Dt2=convert.todatetime (ST2);DateTime Dt3=datetime.now;if (Datetime.compare (DT1,DT2) >0)Msg. text=st1+ ">" +ST2;ElseMsg. Text=st1+ "Msg. text+= "\ r \ n" +dt1. ToS

Summary of functions for C # date-time operations

);//sat, Nov-14:23:23 GMTLabel9.text = string. Format ("{0:s}", DT);//2005-11-05t14:23:23Label10.text = string. Format ("{0:t}", DT);//14:23Label11.text = string. Format ("{0:t}", DT);//14:23:23Label12.text = string. Format ("{0:u}", DT);//2005-11-05 14:23:23zLabel13.text = string. Format ("{0:u}", dt);//November 5, 2005 6:23:23Label14.text = string. Format ("{0:y}", dt);//November 2005Label15.text = string. Format ("{0}", dt);//2005-11-5 14:23:23Label16.text = string. Format ("{0:yyyymmddhhmmss

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