If you set AllowPaging="true" or AllowSorting="true" on a GridView control without using a DataSourceControl DataSource (i.e. SqlDataSource, ObjectDataSource), you will run into the following errors: When changing the page on the GridView control: The GridView 'GridViewID' fired event...

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Some people may not know that .NET 2.0 provides APIs for accessing everything in a configuration file. The most common question I see relates to accessing the mail settings in the system.net node programmatically. C# using System.Configuration; using System.Web.Configuration; using System.Net.Configuration;...

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Below is a C# and VB.NET class that demonstrates using System.Net.Mail to send an email. Download C# System.Net.Mail Helper Download VB.NET System.Net.Mail Helper Calling the function from code MailHelper .SendMailMessage( "fromAddress@yourdomain.com" , "toAddress@yourdomain.com"...

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.NET 2.0 introduces XML comments to VB.NET 2.0. An XML comment starts with ''' (3 single quotes). While this is new to VB.NET 2.0, XML comments have been a supported feature of C# since version 1.0. On a side note, C# XML comments start with ///. ''' <someXmlNode> ''' I'm a VB.NET XML comment ...

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Need to access an HttpContext object in a class, but can't because the class doesn't inherit System.Web.UI.Page? Here is a simple helper class that will allow you to access some of the most common HttpContext objects. C# using System; using System.Web; using System.Web.Caching; using System.Web.SessionState;...

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A common DropDownList issue I've seen on many forums and lists is about a DropDownList populating items 2x or not being able to get the selected value on postback when binding to a data source. This is due to the DropDownList having data bound to it again on postback before the form is processed. To...

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The .NET Framwork 2.0 introduces Eval() . Eval() is a shortcut for Container.DataItem() . Since Eval() uses Reflection, it causes overhead. From a optimization standpoint, it is better to use Container.DataItem() . VB.NET Container.DataItem() C# DataReader: ((System.Data.Common.DbDataRecord)Container...

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