Dear people help me! I recevied this error log on my solutions projects. i work in visual studio 2005. thank you very much:crazy: System.NullReferenceException was unhandled Message="Object reference not set to an instance of an object." Source="MBSControls" StackTrace: at MBSControls.ListViewXTC.InitializeList(Object items) in C:\Projects\TimeSheet\MBSControls\ListViewXTC.cs:line 208 at MBSControls.Forms.ListPageBase.InitializeList(ArrayList items) in C:\Projects\TimeSheet\MBSControls\Forms\ListPageBase.cs:line 163