All posts by Kai Wilzer
Page Request Manager Server Error Exception 500
Yes, it’s a long word, but sometimes I got the following error message: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occured while processing the request on the server. The status code returned from the server was: 500.
The breakpoint will not currently be hit…
The source code is different from the original version. To allow the breakpoint to be hit when the source code is different, right-click on the breakpoint, choose ‘Location ….’, and turn on ‘Allow the source code to be different from the original version.’ To allow this for all breakpoints, disable the option “Require source files […]
Using JavaScript on listboxes in ASP.net
In my application I needed to have 2 listboxes and users should be able to move entries from the source list to the target list.
Modify large text in SQL Backend
The problem with editing large texts in SQL Backend is that the text is broken up into separate lines, so the “carriage return” character at the end of the first line is interpreted by anything SQL as the “I’ve finished typing, now go do that” command. The quickest way around it is simply to update […]
Formatting Gridview Page display
By default the gridview displays the page numbers unformatted even without any spaces between the page numbers. This makes it hard to read.
Display ‘Please wait’ popup
This procedure explains how to add a ‘Please wait’ screen to an ASP.net application. By default at server process (e.g. saving a request) you only see a progress bar in the status bar . If it’s a long running process you might not see any update for a longer time, and users might think that […]