I am try to rebuild my WPF project and every time I rebuild it it give the follwing error

Warning      2      Unable to delete file "C:\Users\HP\Desktop\2010\first lessaon\vb_spcail\Wpf-Data-Entry_VB\WpfDataEntry_VB\WpfDataEntry\bin\Debug\OMS_log.ldf". The process cannot access the file 'C:\Users\HP\Desktop\2010\first lessaon\vb_spcail\Wpf-Data-Entry_VB\WpfDataEntry_VB\WpfDataEntry\bin\Debug\OMS_log.ldf' because it is being used by another process.      WpfDataEntry

and also next error

Error      3      Unable to copy file "C:\Users\HP\Desktop\2010\first lessaon\vb_spcail\Wpf-Data-Entry_VB\WpfDataEntry_VB\WpfDataEntry\OMS_log.ldf" to "bin\Debug\OMS_log.ldf". The process cannot access the file 'bin\Debug\OMS_log.ldf' because it is being used by another process.      WpfDataEntry

The error happen if I change table or try to add new fields to table or add datagrid and prevent me to complete my training test sample

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rajeshjamnadasConnect With a Mentor Commented:
in your solution explorer find OMS_log select that node right click on that select property.
in property window of that there is build action select none and ur problem will get resolved.
abdallah1973Author Commented:
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