The ASP.NET version of the Server.Transfer method accepts a second argument which, if true, causes the query string and all the form’s fields to be transferred and made available to the destination page. However, when the destination page executes, the following error is likely to be generated: The View State
A common mistake when creating a .NET component that runs under Component Services – that is, a class that inherits from ServicedComponents – is that you forget to assign a fixed version and/or GUID to the component being built. In this case, whenever the assembly is modified and recompiled, a
All ADO.NET applications require MDAC 2.6 or later (MDAC 2.7 is recommended). MDAC 2.7 comes with Visual Studio .NET but no MDAC version is included in the Microsoft .NET Framework SDK and the .NET Framework redistributable package. If your .NET application attempts to open a connection without a valid MDAC
The ChangeDatabase method of the ADO.NET Connection object requires an open connection to execute correctly. Even if the connection is open, you can still have an InvalidOperationException when invoking this method; this happens when you are reading data from the connection by means of a DataReader object, because the DataReader
At times you get the error “Could not copy temporary files to the output directory” when compiling a VB.NET or C# project from inside Visual Studio. Here are some of the possible causes for this error message and the corresponding solution:The target EXE or DLL file is running or is