Error Message
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hi, i have a windows application. in load event of my form i retrieve data from " Microsoft Access" database. when i build or run form,i see several Error MessageBox with this content : "object reference not set to an instance of an object ". after that i submit these , Program Runs Successfully!! what is my problem? thanks
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hi, i have a windows application. in load event of my form i retrieve data from " Microsoft Access" database. when i build or run form,i see several Error MessageBox with this content : "object reference not set to an instance of an object ". after that i submit these , Program Runs Successfully!! what is my problem? thanks
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You somewhere access a variable that is set to
null
. The debugger will show you which variable this is, just run the Debug build. regards