Microsoft visual studio error

visualstudio2008 , asp.net , sqldatasourceerror India
  • 7 years ago

    Hi folks,

    Environment : I have a web application running on .net 3.5 framework and the DB being SQL server 2005.previous versions of .net are also installed.My OS is windows XP professional,i am running the application inside VS2008.

    Problem : i have a page which has a gridview. when i choose datasource (sqldatasource) from the smart tag on the gridview,it gives me a "object reference not set to an instance of object error ".the DB is on my local system namely mysystem\SQLEXPRESS a test for successful connection shows success but when i do finish it throws an error..

    please advice.

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