vb net get set

problems. One problem can be solved. Problem: newindex is not "system. windows. forms. listBox member Method 1: dim X as integerx = ListBox. items. add (rsdates. fields ("FD "). value) ListBox. selectedindex = x Method 2: ListBox. items. add (rsdates. fields ("FD "). value) ListBox. selectedindex = ListBox. items. count-1 problem: If app. previnstance then: IF process. getprocessesbyname (process. getcurrentprocess. processname ). length> 1 then problem: Unload () method: Theoretically speaking

Create your own InstallerIn VS. NET, we can create a "Setup and Deployment Projects" project to flexibly and conveniently create a. NET program as a Windows Installer file. For example, we can easily customize the following options:1. Whether to place shortcuts on the desktop.2. register your own file type. You can double-click the file to open it with your own program.3. Registry ProcessingAt the MSDN site

begins. To compile the source program, you must provide a way to access the main sub in one or another way. If you are not using Visual Studio.NET, you can compile the vb.net source using the vbc.exe software, vbc.exe installed automatically when the. NET framework is installed. For example, when you save the source code as a Employee.vb file, in the directory where Employee.vb is located, enter vbc Employee.vb to compile the source program. Now le

Use GDI + in VC to draw color gradient effects with variable angles-. NET tutorial, VB. Net language Author: Click 4 for a netizen contribution Gdi + is a later version of gdi (graphical device interface provided in earlier versions of windows). It is a graphic display technology for microsoft windows xp operating system or later versions. It has been integrate

Below are n VB. NET to C # (C # To VB.net)CodeConversion (interchange) Tool 1. http://www.kamalpatel.net/(the most commonly used, but cannot be converted to a hexadecimal INT)Online version: VB. NET => C # => VB. NETOffline version: C # =>

polling and state conversion between threads. The thread pool can automatically complete these tasks and optimize the computer access performance, so as to take advantage of multithreading more effectively. With the thread pool, you can use the delegate of the process to be run to call the threadpool. queueuserworkitem method. VB. NET will create a thread and run the process. The following code uses the th

small styles into large styles to solve big problems? This often requires a complete set of rules (rule), commonly known as "style language" (Pattern language). This article refers to the prototype style in the Gamma book, explains how to implement it with VB interface, also makes you better use of the concept of polymorphism. Here's a look at how you can use the prototype style. Figure 1, prototype-sty

Use C # and VB. NET to implement VS. NET or Office XP menus Stingy god 2001.08.18 VS. NETOrOffice XPThe menu in is very beautiful. I like it very much. PityVS. NETThere are no controls or components with such menus. I wonder if a template and Wizard will be provided in the official version. I still remember using it when I was learning computer languages.Turbo CT

tool, which can directly get the local time, the time zone and the number of milliseconds from then to the beginning of the millisecond count. My.Computer.FileSystem Fully improve the complexity of file operations. The FileSystem object provides an easy-to-understand way of doing things. The method of copying files in a FileSystem object not only requires specifying the destination path, but also helps you establish levels that do

This method extracts Youku's album ID, and then cyclically collects webpage code by ID to extract the title tag and VID. There is no technical content. =... =The HttpWebRequest and HttpWebResponse classes in. NET are applied in the collection. Regular expressions are used for code analysis.This code is not very efficient. The resolution time for a webpage is between 0.5 and ~ Within 2 seconds, not suitable for massive collection. It may be faster to c

the database can contain null values, you need to get the The data entry code detects whether the value is null. Use an array with a lower bound of 0 Visual Basic 6.0 allows you to use any integer number as an upper bound of an array and lower bound. You can also redefine a variant to an array by ReDim. In order to be able to share. NET platform, the Visual Basic.NET array must be in the lower bound of 0,

privateAge As Integer Public Property Age() As IntegerGet Return privateAgeEnd Get Set(ByVal value As Integer) privateAge = valueEnd Set End Property Private privateSex As Char Public Property Sex() As CharGet Return privateSexEnd Get Set(ByVal value As Char) privateSex =

data that is written to the variable. For example, some people have to place a string in an integer field or assign a value to a read-only field. In the case of attributes, you can add logic to the Set program to guarantee the validity of the assignment. You can even completely omit the set code block to set the property to read-only. Property that's amazing At

different function before the data is shared at the individual level. An XOR function is one that is written in different languages to achieve the same function. For example, the same error-handling language, which is reflected in VB, is On Error Goto. NET, a try Catch is the embodiment of the language. And what is called a different function call is through a DLL, we can give the process a call to a funct

The number of new postings on the. NET blog has been decreasing. I think everyone should be diligent, share their experience and ideas, do not let this blog decline. VB supports the feature "optional parameters" starting from 4.0. That is, some of the parameters of a function or subroutine are optional and can be invoked without input. In fact, VB from the begin

desktop" respectively ". Add icons for shortcuts.12.Set the attribute alwayscreat of the three folders in the file system to true.13. Solution for generating package Added the uninstall function during VB. NET packaging.: 1. Upload the msiexec.exe file in the package object (generally found in C:/Windows/system32)2. Select an application in the file system admin

the "text box (A)" dialog box is located on the "Install Folder" node. 6. In the "properties" window, select the BannerText attribute and type: Install database. 7. Select the BodyText attribute and type: the installer will install the database on the target machine. 8. Select the Edit1Label attribute and type: Database Name: 9. Select the Edit1Property property and type CUSTOMTEXTA1 10. Select the Edit1Value attribute and type dbservers. 11. Select the Edit2Label attribute and type: Server Nam

Vb. NET form Operation technique Two 2003-03-18 Liu Hongjun Liu Lekun Yesky How do I drag a form without a border? This function can be implemented in VB6 by means of API functions. In vb.net, it can be realized by its own function. First set the form's FormBorderStyle property to none to remove the border from the form, and then add a button to the form. Th

. net undo tablespace. The VB. net undo tablespace being used by the current routine cannot be deleted. If you are sure to delete the UNDO tablespace being used by the current routine, you should first switch the UNDO tablespace. Then, delete the corresponding UNDO tablespace. Drop tablespace undotbs3;1. Determine the UNDO tablespace used by the current routine.

Programming 2. With Visual Studio. NET development "Hello world!" Program: We know that "Hello world" is generally a command-line program, and this program is in Visual Studio. NET is called "console program". The following is visual Studio. NET Authoring Console "Hello world! "Specific steps of the program: (1), starting visual Studio.