This product requires ASP.NET v2.0 to be set to ‘Allow’ in the list of Internet Information Services (IIS) Web Server Extensions

January 29, 2008 11:38

This product requires ASP.NET v2.0 I’m currently performing a migration process and during the Moss installation the following error message is presented:

“This product requires ASP.NET v2.0 to be set to ‘Allow’ in the list of Internet Information Services (IIS) Web Server Extensions. If it is not available in the list, re-install ASP.NET v2.0.”

But on my machine Visual Studio 2005 and .NET2 are installed, so that’s a bit strange. Checking out the IIS extensions panel is indeed not showing the v2.0 version.

To solve the issue open your command prompt en navigate to:
%drive%\Windows\Microsoft.NET\Framework\v2.0.nnnnn
where nnnnn is the least significant version number of ASP.NET 2.0.

Now run the following command at the command prompt:
“aspnet_regiis.exe -iru -enable”
and the issue should be fixed.

Source: Office online - Windows SharePoint Services 2.0 IT Documentation

Tags: .NET, error, internet information services, migration, visual studio 2005, web server extensions.

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Remember hidden original values in a gridview

July 4, 2007 9:07

Set the DataKeyNames property of the gridview Most of the time I use optimistic concurrency (with a check on all fields) to update a database row. While using a gridview to update rows in a table, problems arise when you don’t show or use all database fields of that table in your grid.
Running an automatic update command with optimistic concurrency is bound to fail because the grid cannot supply all original values.

To solve this issue you have to set and extra property and you have to supply some code to the Rowupdating event of the gridview. The property you have to set with the field names that you are not using is the DataKeyNames property of the gridview. For example:

DataKeyNames=”UniqueId,VersionId”

Now you can add the missing information to the OldValues and NewValues collection in the RowUpdating event.

Protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
IDictionaryEnumerator restoreOldValues = e.Keys.GetEnumerator();
while (restoreOldValues.MoveNext())
{
e.OldValues.Add(restoreOldValues.Key.ToString(), restoreOldValues.Value.ToString());
e.NewValues.Add(restoreOldValues.Key.ToString(), restoreOldValues.Value.ToString());
}
}

The gridview now has all the required information to run a successful update.

Tags: .NET, database, DataKeyNames, field names, optimistic concurrency, RowUpdating.

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