Telerik blogs

Productivity

The AI-Forward Telerik & Kendo UI 2025 Q4 Release Is Here

by Iva Borisova November 19, 2025

Latest

  • Productivity Reporting

    Hide duplicates in a column

    In some cases you might want to hide duplicates in a single "column" - for example if you group by a field, it would be nice to present the data in a more clean way.
    by Stefan Tsokev
    May 27, 2021 1 min read
  • Productivity Reporting

    Using Report parameters UI to sort by column

    Our 'series' of tips and tricks for Telerik Reporting continues with this neat approach to sort the report by column. We would create a sample report using the AdventureWorks database that comes with our examples and use a single table with few columns that are easy to remember namely FirstName, LastName, Title .. you know the drill :) In order to use the built-in parameters area of the report, we would need to create a report Parameter that lists the column names. We can do that by creating a Business object that holds this for us:   public class ColumnSelector : DataTable     {        ...
    by Rossen Hristov
    January 27, 2025 2 min read
  • Productivity

    SQL Server 2008 Error: 'Saving changes is not permitted.'

    Tonight I ran into the following error message when using a freshly installed version of SQL Server 2008 in a new project. Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can't be re-created or enabled the option Prevent saving changes that require the table to be re-created. The error appeared after I created a new table, set up it's primary key column, clicked save, and then tried to modify and re-save the table again. The reason this error dialogue is being...
    May 27, 2021 1 min read
  • Productivity

    Reverse engineering step by step

    Hi everybody, My name is Jan Blessenohl and I am working on the new Telerik object relational mapper named OpenAccess ORM. In the next posts I would like to guide you through the first steps with OpenAccess. This post is about reverse engineering. The following posts will use this feature to build running applications. - OpenAccess comes with 2 possible ways to generate the persistent model: Forwad Mapping: Write the persistent classes first and let then OpenAccess generate the database schema. Reverse Engineering: Design the database schema first, let OpenAccess read it and then create all the classes for you. This step by step...
    by Jan Blessenohl
    May 27, 2021 3 min read
  • Productivity

    Visual Studio Tip: Debugging Hints

    Tracking down those pesky flaws in a piece of code is, in my humble opinion, the most challenging part of software development. Thankfully we have a top-notch debugger built into Visual Studio. Unfortunately, the debugger is one of the features of Visual Studio that I am the least proficient with. I know how to set a breakpoint and take a look at the values of my local variables when that breakpoint is reached, but beyond that I'm pretty much clue-less. Well, I was lucky enough to attend John Cunningham's talk at PDC last week and learned quite a few valuable tips that enhanced...
    May 27, 2021 5 min read
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