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- Iterating through all controls on the form with VB.NET
- Irina Medvinskaya presents a simple way to change all the controls on a form in runtime with VB.NET. If you've ever had to change all the controls on a form in runtime, you know how tedious it can be to modify the controls one by one. Here's...
- Tags: Microsoft Visual Basic.Net, Irina Medvinskaya, Microsoft development tools, Programming languages, TextBox, cControl InMe.Controls, Visual Basic Tips Newsletter, Control, .Net, Development Tools, Software Development, Software/Web Development
- Technical articles 2007-02-08
- Automate data validation in VB6 with CausesValidation and Validate
- Don't let invalid user data problems sneak up on you—prevent them by developing programs that take into account data validation. Find out how you can automate the data validation process in VB6 using the CausesValidation property and the Validate event procedure. Data validation is an important part of many...
- Tags: Microsoft Visual Basic 6.0, Data Validation, Peter Aitken, CausesValidation, event procedure, TextBox, Visual Basic Tips Newsletter, TechRepublic Inc., Corporate Communications, Microsoft Development Tools, Programming Languages, Marketing, Development Tools, Software Development, Software/Web Development
- Technical articles 2005-10-20
- Create an up-down box for your VB6 programs
- The up-down box gives users the option of typing the number in directly or of clicking up or down buttons to increase or decrease the value. See how you can create an up-down box in your VB6 programs by combining two of VB's standard controls. A...
- Tags: Microsoft Visual Basic 6.0, Peter Aitken, Microsoft development tools, scroll bar, up-down box, down button, TextBox, Visual Basic Tips Newsletter, Box, Programming Languages, Development Tools, Software Development, Software/Web Development
- Technical articles 2005-08-02
- Prevent bugs by filtering input in VB6
- Once you discover a program contains a bug, it can take up hours, or even days, of your valuable time to determine what's causing the problem. Take preventive measures by filtering input, such as accepting numbers only in a TextBox, in your VB6 programs. An important step in preventing...
- Tags: Microsoft Visual Basic 6.0, Peter Aitken, TextBox, KeyAscii, Visual Basic Tips Newsletter, TechRepublic Inc., Corporate Communications, Productivity, Microsoft Development Tools, Programming Languages, Marketing, Development Tools, Software Development, Software/Web Development
- Technical articles 2005-06-16
Additional Resources
- ASP.NET basics: Working with the TextBox control
- Developers often overlook basic programming options in favor of new or cool ways to deliver results. This is true for many of the standard ASP.NET features. A good example is the TextBox Web control, which offers plenty of options for building applications. This week, I take a closer look at...
- Tags: Technique, Control, Microsoft ASP.NET, Property, Server, Font, TextBox1, OnTextChanged, TextBox1_TextChanged, CSS, .Net, C#, Middleware, Scripting Languages, Software/Web Development, Web Development, Software Development, Programming Languages, Enterprise Software, Software, Tony Patton
- Blog posts 2008-02-12
- Split data onscreen logically with VB.NET's Tab Control
- VB.NET developers are often tasked with having to display a lot of necessary information on the screen with limited space. If you can split the data on the screen logically into different sections, you should consider using the Tab Control. In this tip, I will show you how to use the...
- Tags: Tab, Microsoft Visual Basic.Net, Tab Control, Irina Medvinskaya
- Blog posts 2007-09-06
- Using the PrintDocument component in VB.NET applications
- If you want to allow users to print form components in run-time, the PrintDocument component lets you offer users this functionality. The PrintDocument component is an object that allows users to send an output to a printer from Windows Forms applications. In this tip, I show you how to use...
- Tags: Printer, Component, Microsoft Visual Basic.Net, PrintDocument, Irina Medvinskaya
- Blog posts 2007-09-13
- Sharing the event logic between controls in VB.NET
- Whenever you write the code logic that may be used for more than one control, it makes sense to try to save time by creating only one procedure that will handle the event and perform that logic. In this tip, I show you a way to share the event logic...
- Tags: Control, Microsoft Visual Basic.Net, Microsoft Development Tools, Programming Languages, .Net, Development Tools, Software Development, Software/Web Development, Irina Medvinskaya
- Blog posts 2007-10-19
- Let users pick a file to open via OpenFileDialog in VB.NET
- Whenever you need to allow a user to open a particular file without forcing the user to type the full path and file name, you can use the OpenFileDialog class. OpenFileDialog has a number of properties and methods that make it a flexible way to get users to pick a...
- Tags: File, Microsoft Visual Basic.Net, OpenFileDialog, Dialog Box, Irina Medvinskaya
- Blog posts 2007-08-30
- Choose between server and client controls
- ASP.NET Web Controls offer a robust set of controls to build Web-based applications. Learn how to use Web Controls to add search functionality to a Web form. The disconnected nature of Web browsers presents many obstacles when developing Web-based applications. For instance, loading data...
- Tags: Web, HTML, Servers, Tony Patton, Channel management, Web Control, id, server, .NET Newsletter, Function, TechRepublic Inc., Control, Microsoft ASP.NET, JavaScript, Radio, WIDTH, HEIGHT, txtStartDate, txtEndDate, EventArgs, getEndDate, getSelection, ByVal, txtEndDate.Visible, txtStartDate.Visible, lblEndDate.Visible, lblStartDate.Text, showHide, getRadioStatus, Request.Form, rValue, Hardware
- Technical articles 2005-06-30
- Enhance applications with the ASP.NET AJAX Control Toolkit
- While the ASP.NET AJAX Extensions from Microsoft provides you with basic AJAX support, the ASP.NET AJAX Control Toolkit extends this support by offering more controls and by allowing you to create controls. See how you may use the ASP.NET AJAX Control Toolkit in your applications. What is...
- Tags: Tony Patton
- Blog posts 2007-09-18
- Control site appearance with ASP.NET 2.0 themes
- Central control of Web site appearance has been a desire of ASP.NET developers since the introduction of the .NET Framework. ASP.NET 2.0 makes it a reality with themes and skins that allow you to control the appearance. Last week we examined ASP 2.0 master pages and discussed how you...
- Tags: Microsoft ASP.NET, Middleware, Tony Patton, .NET, Microsoft development tools, skin file, ASP.NET 2.0, .NET Newsletter, Theme, Control, Microsoft Corp., Microsoft ASP.NET 2.0, CSS, Scripting Languages, Software/Web Development, Web Development, Software Development, Enterprise Software, Software
- Technical articles 2006-04-11
- Ensure data integrity with validation in ASP.NET
- ASP.NET provides numerous validation controls that make it easy to validate data entered via a Web Form. Here are various ways to validate user-entered data via these controls. Data collection is an integral part of most applications whether Web- or Windows-based. It varies from obtaining user feedback to user...
- Tags: Microsoft ASP.NET, Middleware, Databases, Tony Patton, .NET, database, .NET Newsletter, Web, TechRepublic Inc., Zip Code, Data, Field, Server, Value, Web Form, Data Collection, Validation, MaxLength, ErrorMessage, EnableClientScript, ControlToValidate, Servers, Software Development, Software/Web Development, Hardware, Enterprise Software, Software, Data Management
- Technical articles 2005-07-22
- Control site appearance with ASP.NET 2.0 themes
- Last week we examined ASP 2.0 master pages and discussed how you can use them tocentralize a site's layout. Developers often confuse themes with master pages,but the two elements are quite different. Master pages allow you to control thegeneral layout of a site or a group of pages within a...
- Tags: ASP.NET 2.0, Microsoft ASP.NET, skin file, Tony Patton
- Technical articles 2006-04-11
- Testing a Web service with a proxy class
- A good way to test a Web service is by building a proxy class/client to consume it. Tony Patton shows you how to develop a simple proxy class via .NET, using either C# or VB.NET. Now that you know how to make product information available via one or...
- Tags: Web, Tony Patton, Web services, SOAP, Channel management, Web service, proxy class, Simple Object Access Protocol, .NET Newsletter, TechRepublic Inc., Class, Service, Wsdl Tool, ASP.NET Web Form, Listing D, Enterprise Software, Software, Marketing
- Technical articles 2005-06-21
- Dealing with ASP.NET's view state
- One of the more exciting features of ASP.NET is the viewstate concept. It allows you to save Web Form properties across differentserver requests. While this simplifies maintaining data on a Web page, it doeshave disadvantages. This week, I examine view state, as well as enhancements tothe feature in ASP.NET 2.0.Maintaining...
- Tags: EnableViewState, Microsoft ASP.NET, Page Class, Software engineering/development, Tony Patton, view state
- Technical articles 2006-12-05
- Access user submitted data with the Request object
- TechRepublic's free .NET newsletter, delivered each Wednesday, contains useful tips and coding examples on topics such as Web services, ASP.NET, ADO.NET, and Visual Studio .NET. Automatically sign up today! Accessing form data entered by a user is common task forASP.NET developers. There is more than one approach for accessing this...
- Tags: Microsoft Access, QueryString, Tony Patton, Web, Web Client
- Technical articles 2005-03-29
- Dealing with ASP.NET's view state
- ASP.NET's view state feature allows you to save Web Form properties across different server requests. Tony Patton explains why it's important to use this feature with care. One of the more exciting features of ASP.NET is the view state concept. It allows you to save Web Form properties...
- Tags: Microsoft ASP.NET, Tony Patton, EnableViewState, Middleware, .NET, Microsoft development tools, Programming languages, view state, Page Class, .NET Newsletter, Page, Control, Feature, Listing B, Listing D, Software Development, Software/Web Development, Enterprise Software, Software
- Technical articles 2006-12-05
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